SUPPLY CHAIN ANALYSIS: SPREADSHEET OR SIMULATION? (2009)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Leonardo Chwif, Cietec Ipen Usp
In the last few decades, a lot of company effort has been spent in the optimization of internal efficiency, aiming at cost reduction and competitiveness. Especially over the last decade, there has...
ABSTRACT PANEL ON CURRENT ISSUES IN SIMULATION INPUT MODELING (2009)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Russell R. Barton, Stephen E. Chick, ...
In recent years, substantial progress has been made in the development of powerful new approaches to modeling and generation of the stochastic input processes driving simulation models. In this panel...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
SSJ: A FRAMEWORK FOR STOCHASTIC SIMULATION IN JAVA We introduce SSJ, an organized set of software tools implemented in the Java programming language and offering general-purpose facilities for...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
COST: A COMPONENT-ORIENTED DISCRETE EVENT SIMULATOR COST (Component-Oriented Simulation Toolkit) is a general-purpose discrete event simulator. The main design purpose of COST is to maximize the...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
MANAGING EXTERNAL WORKLOAD WITH BSP TIME WARP This paper describes an extension to the existing BSP Time Warp dynamic load-balancing algorithm to allow the management of interruption from external...
ABSTRACT VRML CLIENTS LINKED THROUGH CONCURRENT CHAT (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Lee A. Belfore, Ii Sudheer Battula
Internet based virtual reality offers the opportunity to render content in three dimensions. In addition, the Internet provides a medium to support collaborative activities. In this work, we describe...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
COST: A COMPONENT-ORIENTED DISCRETE EVENT SIMULATOR COST (Component-Oriented Simulation Toolkit) is a general-purpose discrete event simulator. The main design purpose of COST is to maximize the...
DIFFICULTIES IN SIMULATING QUEUES WITH PARETO SERVICE (2008)
E. Yücesan, C. H. Chen, J. L. Snowdon, J. M. Charnes, Donald Gross, John F. Shortle
M/G/1 queues, where G is a heavy-tailed distribution, have applications in Internet modeling and modeling for insurance claim risk. The Pareto distribution is a special heavytailed distribution...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
WEB SERVICE TECHNOLOGIES AND THEIR SYNERGY WITH SIMULATION The World Wide Web has had an huge influence on the computing field in general as well as simulation in particular (e.g., Web-Based...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
WEB SERVICE TECHNOLOGIES AND THEIR SYNERGY WITH SIMULATION The World Wide Web has had an huge influence on the computing field in general as well as simulation in particular (e.g., Web-Based...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Coalition operations are increasingly effects-based, which means they apply force only as necessary to achieve political and psychological effects. Capture the Flag is a wargaming environment that...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
World-class utilization of manufacturing resources is of vital importance to any manufacturing enterprise in the global competition of today. This requirement calls for superior performance of all...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
PROPERTIES OF THE NORTA METHOD IN HIGHER DIMENSIONS The NORTA method for multivariate generation is a fast general purpose method for generating samples of a random vector with given marginal...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
AN ARCHITECTURE FOR A GENERIC DATA-DRIVEN MACHINE SHOP SIMULATOR Standard interfaces could help reduce the costs associated with simulation model construction and data exchange between simulation and...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, K. J. Stanley, Timothy D. Stanley
The operational cost of 300mm wafer production is significantly greater than that of 200mm fabs. Real-time monitoring of product can save time and money through reduced scrap and decreased cycle...
MODELING IN A SUCCESSFUL SIMULATION STUDY (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Averill M. Law, Michael G. Mccomas
In this paper, we discuss the critical role of simulation input modeling in a successful simulation study. Two pitfalls in simulation input modeling are then presented and we explain how any analyst,...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
VIRTUAL REALITY SIMULATION OF A MECHANICAL ASSEMBLY PRODUCTION LINE This paper presents our work on the application of virtual-reality simulation to the design of a production line for a...
ABSTRACT DECISION MAKING OF EMBEDDED I/O BUFFER SIZES USING THE QUEUEING SIMULATION (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Model For, ...
This paper presents a methodology of decision-making for embedded I/O buffer sizes in a single-bus, shared-memory system. The decision is made with the aid of a queuing model, simulation, and the...
E. Yücesan, J. L. Snowdon, J. M. Charnes, K. Preston White, Ryan Fritz, ...
AutoMod ® is a leading discrete-event simulation package widely applied in the modeling and analysis of distribution systems. Included in the AutoMod software suite is the Model Communications...
A FEDERATION OBJECT COORDINATOR FOR SIMULATION BASED CONTROL AND ANALYSIS (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents an architecture and a design for a Federation Object Coordinator (FOC) for simulation based control and analysis. This research focuses on developing a methodology for...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper provides a novel method for detecting bottlenecks in manufacturing systems and the shifting of these bottlenecks. All manufacturing systems are constrained by one or more bottlenecks....
THROUGHPUT SENSITIVITY ANALYSIS USING A SINGLE SIMULATION (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes a novel method of calculating the sensitivity of the manufacturing system throughput to the variables of the machines. The sensitivity analysis needs only a single simulation,...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sanjay Jain
MODELING COMPUTER ASSEMBLY OPERATIONS FOR SUPPLY CHAIN INTEGRATION Factory operations have been modeled for years to understand the relationship between the different design and policy factors and...
GAUSSIAN RADIAL BASIS FUNCTIONS FOR SIMULATION METAMODELING (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Miyoung Shin
This paper presents a novel approach for developing simulation metamodels using Gaussian radial basis functions. This approach is based on some recently developed mathematical results for radial...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Juergen Potoradi, Ong Siong Boon, ...
This paper describes how a large number of products are scheduled to run in parallel on a pool of wire-bond machines to meet weekly demand. We seek to maximize demand fulfillment subject to system...
SIMULATION BASED OPTIMIZATION IN FISHERY MANAGEMENT (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Farhad Azadivar
The sea scallop resource of Georges Bank supports one of the largest commercial fisheries in the United States. The objective of this research was to develop a technique to examine different...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Yiqing Lin, Arthur Hsu, ...
A SIMULATION MODEL FOR FIELD SERVICE WITH CONDITION-BASED MAINTENANCE In this paper, we consider field service in which service providers are responsible for maintaining equipment performance. To do...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
A FRAMEWORK FOR STANDARD MODULAR SIMULATION The primary reason for building manufacturing simulations is to provide support tools that aid the manufacturing decision-making process. Simulations are...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Coalition operations are increasingly effects-based, which means they apply force only as necessary to achieve political and psychological effects. Capture the Flag is a wargaming environment that...
Proceedings of the 2002 Winter Simulation Conference (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Christian Wartha, Momtchil Peev
We present a currently developed Decision Support Tool-Supply Chain (DST-SC). This is specialized domain oriented tool, which is an extension of the general purpose, UML-RT Hybrid Simulation kernel...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
computing field in general as well as simulation in particular (e.g., Web-Based Simulation). A new wave of development based upon XML has started. Two of the most interesting aspects of this...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Osman Balci
Certification of modeling and simulation (M&S) applications is becoming more commonly practiced as M&S applications are used more and more for military training, analysis, complex system...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Funded by the Agency for Science, Technology and Research -- A*STAR -- Singapore, CAMTech is collaborating with a Singaporean research institute and two industry partners with the objective to...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Fernando Maymi, ...
revolutionary advance in the combat power of individual infantrymen on the battlefield: Land Warrior. In Land Warrior, each soldier becomes a node in a wireless local area network (WLAN). In order to...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Ebru Angün, ...
Response Surface Methodology (RSM) searches for the input combination that optimizes the simulation output. RSM treats the simulation model as a black box. Moreover, this paper assumes that...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper we present a Multi-Agent simulation model to investigate purchasing activities in an organizational environment. Starting point is the observation that the majority of purchasing...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents a sortie generation rate (SGR) model and describes how to use it as a commander's tool. The SGR model was initially developed to generate published sortie rates, but proved...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, ...
ProcessModel simulation allows the activity times of a project to be represented by a variety of distributions and further the resulting project time may also be represented by a variety of...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, William B. Nordgren
Flexsim is an object-oriented software environment used to develop, model, simulate, visualize, and monitor dynamicflow process activities and systems. Flexsim is a complete suite of development...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
A key element in the development and innovation of future aviation concepts and systems is research flight simulation. Research flight simulation is applied when the performance and perception of...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Simulation has become the evaluation method of choice for many areas of computer networking research. When designing new or revised transport protocols, queuing methods, routing protocols, (just to...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Thomas N. Herzog
We discuss the application of the Bayesian statistical paradigm in conjunction with Monte Carlo methods to practical problems. We begin by describing the basic constructs of the Bayesian paradigm. We...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper aims to explain how simulation and emulation are interrelated, and why they are of benefit to Automatic Material Handling Systems (AMHS) projects at different times and in different ways....
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, C-h. Chen, J. L. Snowdon, J. M. Charnes
This paper provides an examination of different modeling situations implemented in Extend, Arena, and Silk and demonstrates how the implementation of the software impact the results and whether these...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Carl R. Williams
This paper presents the usefulness of simulation in studying the impacts of system failures and delays on the output and cycle time of finished weldments produced by a robotic work cell having both...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Mats Jägstam
Despite significant cost savings and the stride towards developing and implementing the Virtual Factory, few companies have managed to fully integrate simulation as a daily tool in their engineering...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
One means for dealing with initialization bias in simulation experiments is to implement a warm-up period. This requires the correct estimation of the initial transient. A new method for determining...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Scott P. Wu
As high technology product market becomes more dynamic and competitive, chip manufacturers need to bring products to customers in short periods of time. As a result, semiconductor fabrication plants...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Although several methods of simulation-based SFC have been suggested for the SFCS, these researches paid only attention to the generation of a target simulation code and could not be fully integrated...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Ihsan Sabuncuoglu
The purpose of this paper is to discuss the evaluation of different alternatives for the implementation of Turkish army corps artillery ammunition supply system. The objective is to see whether the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Hank Grant
Much literature exists for scheduling production, but there is little work on establishing the due dates that serve as the inputs to developing a production schedule. We call this Order Promising....
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents results from a case study in predictive maintenance at a distribution warehouse. A simulation model was built with ARENA# 5.0 for integrating predictive maintenance strategies...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Maged M. Dessouky, ...
We present a simulation modeling methodology to assess the rail track infrastructure in highly dense traffic areas. We used this model to determine the best trackage configuration to meet future...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The Web-based Environment for Systems Engineering (wese) is a web-based modeling and simulation environment in which the level of abstraction of a model can be configured statically (prior to...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Kenneth D. Walsh, ...
Lead time reduction is a key concern of many industrial buyers of capital facilities given current economic conditions. Supply chain initiatives in manufacturing settings have led owners to expect...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Agostino Bruzzone, ...
This paper outlines the features of an automated Decision Support System (DSS) developed to optimize the logistics of maritime transportation for a large chemical company. The paper focuses on the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
XML represents a new way of organizing information and knowledge of the World WideWeb, using markup languages. Whereas HTML is used for presentation-specific content, XML builds upon its SGML lineage...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Tamrat W. Tewoldeberhan, ...
For large international companies with their own simulation team it is often hard to select new discrete event simulation software. Often, preferences and application areas between countries differ,...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
A number of manufacturing systems are categorized into Cell-Based Manufacturing Systems (CBMSs), which have similar physical configurations typically composed of manufacturing cells, transporters and...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Xiao Xu, ...
Radio Link Control (RLC) is the layer two protocol used in 3G UMTS cellular systems for flow control and error recovery. Due to the complexity of the protocol and the multitude of parameter...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Francisco J. Ramis, ...
The general objective of this work is to present a generic simulator to be used in a network of clinic laboratories of the company ACHS-Arauco Health in Chile, which is to be used to standardize the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Samuel Kou
Continuing the previous work on growth stocks, we propose a diffusion model for growth stocks. Since growth stocks tend to have low or even negative earnings and high volatility, it is a great...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Each June approximately 1200 new cadets (NCs) are welcomed to the United States Military Academy (USMA) during Reception Day (R-Day). Amid the mass shuffling of bodies and the yelling of the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Two-stage selection procedures have been widely studied and applied in determining the required sample size (i.e., the number of replications or batches) for selecting the best of k designs. The...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Kristin A. Thoney, ...
The Virtual Factory is a job shop scheduling tool that was developed at NC State. It has been shown to provide nearoptimal solutions to industrial-sized problems in seconds through comparison to a...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
High volume production flows are modeled by nonlinear hyperbolic partial differential equations representing conservation laws. These models have Little's law explicitly built into the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, S. J. Rasmussen
This paper describes MultiUAV, a simulation that is capable of simulating multiple unmanned aerospace vehicles which cooperate to accomplish a predefined mission. The simulation was constructed using...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents an application of simulation optimization in construction utilizing genetic algorithms. The paper focuses on the use of genetic algorithms (GAs) as a tool for optimizing the total...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This study outlines a method to evaluate runway layouts using simulation, to aid in the airport planning and decision making process. As a sample study, the maximum throughput capacities of proposed...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
We describe the environment and motion systems used in a parallel, discrete event large scale wireless simulator. The simulator is capable of supporting user motion on multiple environment types...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
A Complex Adaptive System (CAS) is a network of selforganizing, intelligent agents that share knowledge and adapt their operations in order to achieve overall system goals. Three things are needed to...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, William Rengelink
Extending or changing systems that are in operation 24/7 should disturb the operation as little as possible. Therefore, the extensions or changes should have been thoroughly tested in advance under...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, S. T. Enns
There is a lack of prescriptive methods for setting lot sizes and planned lead times effectively in MRP systems. Recent research has suggested the application of queuing relationships. This study...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Most simulation textbooks assume that a model can be started in an empty state and the final output will not be affected, so long as the "warm-up period" is excluded from the analysis. In...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Daniel M. Hamblin
The paper simulates how market power affects electricity retailing to households. A pseudo-random number seeding algorithm creates representative product differentiation in repeated drawings, for an...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Spreadsheet simulation" refers to the use of a spreadsheet as a platform for representing simulation models and performing the simulation experiment. This tutorial explains the reasons for using...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Optimising Discrete, ...
A reinforcement learning agent has been developed to determine optimal operating policies in a multi-part serial line. The agent interacts with a discrete event simulation model of a stochastic...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper discusses the implementation of a two-phase procedure to construct confidence intervals for a simulation estimator of the steady-state quantiles of stochastic processes. We compute sample...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Should we pool separate queues into a single queue or not?" A question as practical as for daily-life situations such as at a bank, a hospital or a service center as well as for technical...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Todd S. Bertulis, ...
Today, military leaders have limited options when reacting to the wide range of current threats existing in our world. These threats demand forces able to deploy rapidly while possessing combat...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The authors define 4 levels of complexity in simulation modeling. The ability of the models to predict bottlenecks in the fab, Capability of the model to be used for strategic applications such as...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
We present a new stochastic method for finding the optimal alignment of DNA sequences. The method works by generating random paths through a graph (the edit graph) according to a Markov chain. Each...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Arnold H. Buss
Event Graphs are a simple and elegant language-independent way of representing a Discrete Event Simulation (DES) model. In this paper we propose an extension to basic Event Graphs that enables small...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
In the light of growing demand for individualized products, configuration systems are becoming increasingly important. Most interesting are configurators that can be accessed over the Internet. They...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The Extend simulation environment provides the tools for all levels of modelers to efficiently create accurate and credible models. Extends modern, advanced design and rich feature set reduce the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Jayendran Venkateswaran, ...
In this paper, a three-echelon supply chain model is analyzed to determine strategies to reduce the supply chain system dynamics. Uniqueness of this research stems from the use of multiple models...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Sigurdur Ólafsson, ...
Simulation optimization has received considerable attention from both simulation researchers and practitioners. In this tutorial we present a broad introduction to simulation optimization and the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
engineers. There is a problem with simulation models of manufacturing systems; they may be highly complex and time consuming to develop. They embrace a considerable experience, which is gained...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Several traffic measurement reports have convincingly shown the presence of self-similarity in modern networks, inducing as a result a revolution in the stochastic modeling of traffic. The use of...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The DASH model for Power Portfolio Optimization provides a tool which helps decision-makers coordinate production decisions with opportunities in the wholesale power market. The methodology is based...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
As a general rule, simulation requires detailed data to properly represent a problem. Occasionally, a problem may be successfully solved using only reasonable approximations to the data. This paper...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Mike Freimer
An early stage of a simulation study often consists of collecting data in order to parameterize the model. This paper addresses the question of how much data to collect, and from what sources. We use...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Amit K. Gupta
This paper involves the study of a simulation based proactive decision support module for the shop-floor scheduling of the Plastic Processing Section (PPS) at Bharti Telecom Limited, Gurgaon, India....
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Gloria J. Giacaman, ...
This paper describes the application of simulation techniques in the forecast behavior of a material handling system, which takes place in Pedro de Valdivia Nitrate Mine in Chile. The main goal of...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
There are currently several wide area search munitions in the research and development phase within the Department of Defense. Progress on the individual technologies is promising, but there are...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents a design project for undergraduate systems engineering students in which Armed Unmanned Aerial Vehicles (AUAV's) are designed, using the systems engineering design process...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The NORTA method for multivariate generation is a fast general purpose method for generating samples of a random vector with given marginal distributions and given productmoment or rank correlation...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes The MITRE Corporation Center for Advanced Aviation System Development (CAASD) research towards simulation of advanced aviation concepts. Research activities are aimed toward...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Large clouds of tiny devices capable of computation, communication and sensing, goal of the Smart Dust project, will soon become a reality. Hardware miniaturization is shrinking devices and research...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This tutorial will present a methodology for modeling of human performance using multiple resource theory within a discrete event simulation. Participants will gain an understanding of why modeling...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper explores the relationship between simulation and the emerging topics of Lean Thinking and lean construction. The ideas which have motivated the evolution of lean construction concepts are...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents our work on the application of virtualreality simulation to the design of a production line for a mechanically-assembled product. The development of this simulation was undertaken...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Instinctively, it seems better to support decision making by simulation studies carried out with domain specific simulation building blocks, than by simulation studies that start without the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The present work focuses on the development of a simulation method which provides an engineering tool for managing the risks associated with the development of an oil field. The developed method...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
We discuss methods for statistically analyzing the output from stochastic simulations. Both terminating and steadystate simulations are considered.
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Vishvas Patel
quality assurance system in the automobile manufacturing process. Operators and machines perform a series of crucial testing procedures before shipping a vehicle. Many complex factors impact the...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Mean value estimation of processes exhibiting Long Range Dependence (LRD) requires a different approach than the techniques applied to those exhibiting Short Range Dependence (SRD), except for the...
A COMPARISON OF SELECTIVE INITIALIZATION BIAS ELIMINATION METHODS (2008)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jennifer R. Linton
When simulating a non-terminating system, the issue of initialization bias must be addressed. Many approaches have been developed to remove initialization bias from the output data. This paper...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Martin J. Miller, ...
Simulation and the Capability Maturity Model Integrated (CMMI) are both fundamentally process focused with common objectives. Both are tools used to advance process capabilities and performance. Can...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Chin Soon Chong
Real-time scheduling of semiconductor manufacturing operations, semiconductor test operations in particular, is complicated due to the following factors; multi-head resources, multi-level hardware...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
We compare several simulation estimators for a performance measure of a process having multiple regeneration sequences. We examine the setting of two regeneration sequences. We compare two existing...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Edward G. Anderson
In this paper, we model and analyze a type of two-stage serial supply chain often found in service sector and maketo -order manufacturing industries. The chain holds no finished goods inventory at...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Frank Boydstun
There are subtle, and yet critical and unique differences that distinguish the depot maintenance, repair, and overhaul (MRO) domain from production manufacturing. These differences motivate the need...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The Agent-Based Environment for Linking Simulations (ABELS) provides a framework to facilitate the dynamic exchange of data between distributed simulations and other remote data resources....
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Credibility assessment of modeling and simulation (M&S) applications is becoming increasingly more important as M&S applications are used more and more for complex system design evaluation,...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Howard Bashford, ...
With the purpose of mapping residential foundation slab construction processes, the authors collected the necessary process mapping information. After the completion of the process mapping for...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
With most major airlines operating a hub-and-spoke system and partnering with other airlines to offer code share flights, more and more passengers are required to make at least one connection before...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper reviews statistical methods for analyzing output data from computer simulations. First, it focuses on the estimation of steady-state system parameters. The estimation techniques include...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Sports had always fascinated humanity. In this context, soccer was taken as a study source. The objective of this paper is to formulate a simulation model to generate estimators for necessary scores...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
Internet based virtual reality offers the opportunity to render content in three dimensions. In addition, the Internet provides a medium to support collaborative activities. In this work, we describe...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
The paper will present the successful realization of simulation based manufacturing planning and control in electronics production. The principle has been implemented in various applications as...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Stephen E. Chick
One goal in simulation experimentation is to identify which input parameters most significantly influence the mean of simulation output. Another goal is to obtain good parameter estimates for a...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This report describes a simulation study characterizing the advantages and disadvantages of implementing multiple load ports on metrology equipment in a semiconductor factory. Three methods of...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Shane Dougherty
unmanned aerial vehicles (UAVs), particularly in their ability to effectively perform those tasks too dangerous for manned aircraft. We examine non-autonomous operations of an UAV in those instances...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents an approach that gives students insights into parallelism and exposure to discrete-event simulation techniques without requiring that they have formal courses in either. I apply...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
High dimensional probabilistic models are often formulated as belief nets (BN's), that is, as directed acyclic graphs with nodes representing random variables and arcs representing...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, ...
GM Enterprise Systems Laboratory (GMESL) has developed a stand-alone single user simulation program for evaluating and predicting Order-to-Delivery (OTD) systems and processes. In order for more...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
COST (Component-Oriented Simulation Toolkit) is a general -purpose discrete event simulator. The main design purpose of COST is to maximize the reusability of simulation models without losing...
Proceedings of the 2002 Winter Simulation Conference (2008)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper introduces the Arena suite of products for modeling, simulation, and optimization highlighting product architecture and technology features that are targeted toward successful deployment...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
COST: A COMPONENT-ORIENTED DISCRETE EVENT SIMULATOR COST (Component-Oriented Simulation Toolkit) is a general-purpose discrete event simulator. The main design purpose of COST is to maximize the...
Mean value estimation of processes exhibiting Long Range Dependence (LRD) requires a dierent approach than the techniques applied to those exhibiting Short Range Dependence (SRD), except for the...
DISTRIBUTED SIMULATION AND INDUSTRY: POTENTIALS AND PITFALLS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This panel paper presents the views of five researchers and practitioners of distributed simulation. Collectively we attempt to address what the implications of distributed simulation are for...
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes a new methodology to enable large scale high resolution environmental simulation. Unlike the vast majority of environmental modeling techniques that split the space into cells,...
The Agent-Based Environment for Linking Simulations (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Greg Johnston, ...
ABSTRACT We have developed a framework for using software
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
SSJ: A FRAMEWORK FOR STOCHASTIC SIMULATION IN JAVA We introduce SSJ, an organized set of software tools implemented in the Java programming language and offering general-purpose facilities for...
Proceedings of the 2002 Winter Simulation Conference (2007)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Russell R. Barton, ...
In recent years, substantial progress has been made in the development of powerful new approaches to modeling and generation of the stochastic input processes driving simulation models. In this panel...
Proceedings of the 2002 Winter Simulation Conference (2007)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Is It, ...
Effective testing of software is an important concern in the software engineering community. While many techniques regularly used for testing software apply equally well to testing the...
Proceedings of the 2002 Winter Simulation Conference (2007)
Ycesan Chen Snowdon, E. Yücesan, J. L. Snowdon, J. M. Charnes, Jeffrey A. Joines, ...
A critical decision companies are faced with on a regular basis is the ordering of products and/or raw materials. Poor decisions can lead to excess inventories that are costly or to insufficient...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Ingolf Ståhl
A simulation model is successful if it leads to policy action, i.e., if it is implemented. Studies show that for a model to be implemented, it must have good correspondence with the mental model of...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jian Chen, Fannie Mae
Hedging of fixed income securities remains one of the most challenging problems faced by financial institutions. The predominantly used measures of duration and convexity do not completely capture...
ANSWERS TO THE TOP TEN INPUT MODELING QUESTIONS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Bahar Biller, Barry L. Nelson
In this tutorial we provide answers to the top ten inputmodeling questions that new simulation users ask, point out common mistakes that occur and give relevant references. We assume that commercial...
A SIMULATION STUDY OF AN AUTOMOTIVE FOUNDRY PLANT MANUFACTURING ENGINE BLOCKS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sang D. Choi, Anil R. Kumar
This paper discusses the initial efforts to implement simulation modeling as a visual management and analysis tool at an automotive foundry plant manufacturing engine blocks. The foundry process was...
AN OPTIMIZATION-BASED MULTI-RESOLUTION SIMULATION METHODOLOGY (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Darren T. Drewry, Paul F. Reynolds
The need for new approaches to the consistent simulation of related phenomena at multiple levels of resolution is great. While many fields of application would benefit from a complete and...
ABSTRACT AN EFFICIENT METHOD FOR SIMULATING FRACTIONAL STABLE MOTION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Wei Biao Wu
An efficient methodology for simulating paths of fractional stable motion is presented. The proposed approach is based on invariance principles for linear processes. A detailed analysis of the error...
E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper we describe a finite-capacity algorithm that can be used for production scheduling in a semiconductor wafer fabrication facility (wafer fab). The algorithm is a beam-search-type...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents an overview of the use of simulation algorithms in the field of financial engineering, assuming on the part of the reader no familiarity with finance and a modest familiarity with...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Natalie M. Steiger, Christos Alexopoulos, ...
We introduce ASAP2, an improved variant of the batchmeans algorithm ASAP for steady-state simulation output analysis. ASAP2 operates as follows: the batch size is progressively increased until the...
GENERIC SIMULATION MODELS OF REUSABLE LAUNCH VEHICLES (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Martin J. Steele
Analyzing systems by means of simulation is necessarily a time consuming process. This becomes even more pronounced when models of multiple systems must be compared. In general, and even more so in...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The concept of web services represent the next generation of architectures for interoperability between software applications based on software industry standards. Presented here is an overview of...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
AweSim ® is a general-purpose simulation system which takes advantage of Windows ® technology to integrate programs and provide componentware. AweSim includes the Visual SLAM ® simulation language...
The key components of a Bridge Management system are (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Bridges Using, Discrete-event Simulation, ...
The complexities and costs associated with preserving the nation’s bridge infrastructure demand innovative approaches to analysis of data and prediction of future bridge conditions. Several Bridge...
SIMULATION BUILDING BLOCKS FOR AIRPORT TERMINAL MODELING (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Airports are an ideal application area for simulation. The processes are in a continuous state of change, are complex and stochastic, involve many moving objects, and require a good performance that...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Thorsten S. Daum
We investigate the use of XML as an open, cross-platform, and extendable file format for the description of hierarchical simulation models, including their graphical representations, initial model...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jerry Banks, Sanjay Jain
PANEL SESSION: OPPORTUNITIES FOR SIMULATION IN SUPPLY CHAIN MANAGEMENT It has become a matter of survival that many companies improve their supply chain efficiency. This presents an opportunity for...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Thomas J. Schriber
This paper provides simulation practitioners and consumers with a grounding in how discrete-event simulation software works. Topics include discrete-event systems; entities, resources, control...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jui-hua Li, Joanne Holliday
This paper presents a methodology of decision-making for embedded I/O buffer sizes in a single-bus shared-memory system. The decision is made with the aid of a queuing model, simulation, and the...
ARE THOSE WHICH GET IMPLEMENTED (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Francisco Pulgar-vidal
HOW-TO SIMULATION: WHEN KNOWING WHAT TO DO IS NOT ENOUGH This paper argues that to achieve success, a simulation project must not only describe the future state of a business process, but also...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The new portfolio optimization engine, OptFolio™, simultaneously addresses financial return goals, catastrophic loss avoidance, and performance probability. The innovations embedded in OptFolio...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jeffrey S. Smith, Yali Li
This paper describes a simulation-based analysis of a printed circuit board (PCB) testing process. The PCBs are used in a defense application and the testing process is fairly complex. Boards are...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents a simulation optimization of a real scheduling problem in industry, simulated annealing is introduced for this purpose. Investigation is performed into the practicality of using...
DIFFICULTIES IN SIMULATING QUEUES WITH PARETO SERVICE (2007)
E. Yücesan, C. H. Chen, J. L. Snowdon, J. M. Charnes, Donald Gross, John F. Shortle
M/G/1 queues, where G is a heavy-tailed distribution, have applications in Internet modeling and modeling for insurance claim risk. The Pareto distribution is a special heavytailed distribution...
ABSTRACT 300MM WAFER FABRICATION LINE SIMULATION MODEL (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sameer T. Shikalgar, David Fronckowiak
The importance of semiconductor wafer fabrication has been increasing steadily over the past decade. Wafer fabrication is the most technologically complex and capital intensive phase in semiconductor...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sean Connors, Julie Gauldin
Assessing the life-cycle impacts of operations and maintenance decisions made for new or aging systems requires an accurate ability to measure and respond to uncertainty. Maintenance and parts...
ABSTRACT TWO-STAGE NP METHOD WITH INHERITANCE (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jumi Kim, Sigurdur Ólafsson
The nested partitions method is a flexible and effective framework of optimizing large-scale problems with combinatorial structure. In this paper we consider the nested partitions method for...
ESTABLISHMENT OF PRODUCT OFFERING AND PRODUCTION LEVELING PRINCIPLES (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Via Supply, Chain Simulation, ...
In support of the order-to-delivery (OTD) business initiative, a simulation framework has been developed at GM R&D. The OTD simulation program is aimed at simulating the behavior of the OTD...
DISTRIBUTED SPATIO-TEMPORAL MODELING AND SIMULATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Thomas Schulze
The objective of upcoming research in the field of geoprocessing is to evolve interoperability standards to develop flexible and scalable controlling and simulation services. In order to overcome the...
GENERALIZING: IS IT POSSIBLE TO CREATE ALL-PURPOSE SIMULATIONS? (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Glenn P. Rioux
The title poses the essential question addressed herein: Is it possible to construct simulations that permit use in application domains with widely ranging objectives? The question is raised in a...
SPECIAL PURPOSE SIMULATION MODELING OF TOWER CRANES (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, John Patra
Historically, simulation tools have only been used and understood by the academic community. Special Purpose Simulation (SPS) techniques have introduced computer modeling to the industry, resulting...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Decision making in industry has become more complicated in recent years. Customers are more demanding, competition is more fierce, and costs for labor and raw materials continue to rise. Managers...
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper presents some of my experience in applying a commercial optimum-seeking simulation tool to manufacturing system design and control problems. After a brief introduction to both the general...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Lei Wei
In this paper, we present a variance minimization (VM) procedure for rare event simulation in tandem queueing networks. We prove that the VM method can produce a zero variance. The VM method is...
EFFECT OF IMPLEMENTATION TIME ON REAL OPTIONS VALUATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Harriet Black Nembhard, Leyuan Shi
Exercising real options often requires an implementation time, whereas financial options can be exercised instantly. Neglecting the implementation time needed to exercise a real option causes...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
In this tutorial we present an introduction to simulationbased optimization, which is, perhaps, the most important new simulation technology in the last five years. We give a precise statement of the...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
There are thousands of jobs performed on the Queen of the Sky, the Boeing 747, final assembly line for each airplane. When the decision was made to implement a moving line for the final assembly of...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Paul Stewart
Distributed real-time simulation is the focus of intense development, with complex systems being represented by individual component simulations interacting as a coherent model. The real-time...
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes a new methodology to enable large scale high resolution environmental simulation. Unlike the vast majority of environmental modeling techniques that split the space into cells,...
NEW APPROACHES FOR SIMULATION OF WAFER FABRICATION: (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Simulation-based wafer fabrication optimization models require extensive computational time to obtain accurate estimates of output parameters. This research seeks to develop goal-driven optimization...
IMPORTANCE SAMPLING FOR MULTIMODAL FUNCTIONS AND APPLICATION TO PRICING EXOTIC OPTIONS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
We consider importance sampling (IS) to increase the efficiency of Monte Carlo integration, especially for pricing exotic options where the random input is multivariate Normal. When the importance...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
In semiconductor manufacturing, it requires more than one objective such as cycle time, machine utilization and due date accuracy to be kept in focus simultaneously, while developing an effective...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Bruce Schmeiser
Stating a confidence interval is a traditional method of indicating the sampling error of a point estimator of a model’s performance measure. We propose a single dimensionless criterion, inspired...
LOGISTIC SIMULATOR FOR STEEL PRODUCING FACTORIES (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Steven C. Hamoen
The logistic processes in most steel producing plants are very complex. To assist the decision makers in steel producing plants, Incontrol Enterprise Dynamics have developed for and in cooperation...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Martin J. Steele
We summarize our methodology for modeling space shuttle processing using discrete event simulation. Why the project was initiated, what the overall goals were, how it was funded, and who were the...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper re-introduces web-based simulation from a web development point of view by first comparing the goals, structures, operations, and communication mechanisms on the web with those of current...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
OBJECT-ORIENTED SIMULATION WITH JAVA, SILK, AND OPENSML.NET LANGUAGES This tutorial is for advanced simulation developers engaged in the use of object-oriented programming languages and libraries...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Several recent research efforts in visualizing construction are rooted in scheduling. They involve linking activitybased construction schedules and 3D CAD models of facilities to describe...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes the application of distributed discrete event simulation in the study of an automated container terminal. The new model was developed to continue the study of large and complex...
ABSTRACT MODEL TESTING: (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Is It, Only A Special, ...
Effective testing of software is an important concern in the software engineering community. While many techniques regularly used for testing software apply equally well to testing the...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Corné Versteegt, Alexander Verbraeck
Control systems for logistic and transport systems are among the most complex control systems in existence. Currently control systems are only fully tested at the shop floor after commissioning. This...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
ADAPTIVE MONTE CARLO METHODS FOR RARE EVENT SIMULATIONS We review two types of adaptive Monte Carlo methods for rare event simulations. These methods are based on importance sampling. The first...
PRODUCTIVITY IMPROVEMENT IN THE WOOD INDUSTRY USING SIMULATION AND ARTIFICIAL INTELLIGENCE (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The objective of this article is to present the results obtained after using a simulation optimization methodology applied to a production line from a secondary manufacturing wood processing plant of...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jennifer Kreke, Andrew J. Schaefer
We describe a discrete event simulation model of the national liver allocation system. This model differs from previous modeling efforts in that it considers the natural history of the disease...
A GENERAL SIMULATION ENVIRONMENT FOR IP MOBILITY (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper describes an advanced simulation environment that has been used to examine, validate, and predict the performance of Protocols for IP Mobility Support. It overcomes many limitations found...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jakša Cvitanić
We consider the problem of a mutual fund manager that maximizes the present value of expected fees and has to decide the level of fee to impose on the fund. The fee will be paid by a risk averse...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Robert J. Burnside, George H. Tompkins
A SIMULATION STUDY OF HIGH POWER DETONATOR PRODUCTION TRANSITION Due to changes in production requirements the current facility was no longer adequate. A simulation study was conducted to help...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
SIMULATION OF JIT PERFORMANCE IN A PRINTING SHOP A medium sized UK based academic publishers own a subsidiary printing business. Presently the Academic Printers (AP) is experiencing productions line...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
RARE-EVENT SIMULATION FOR INFINITE SERVER QUEUES We discuss rare-event simulation methodology for computing tail probabilities for infinite-server queues. Our theoretical discussion also offers some...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, David Goldsman, Sebastien Pernet
In this paper, we discuss issues concerning the simulation of transportation systems. In particular, we demonstrate a number of implementation tricks that are designed to make the modeling and coding...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Xiaoping Xiong
We study the convergence and asymptotic normality of a generalized form of stochastic approximation algorithm with deterministic perturbation sequences. Both one-simulation and two-simulation methods...
PANEL: USING SIMULATION TO TEACH PROBABILITY (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This panel has been put together to promote the use of simulation as a teaching tool to expedite the learning and, more importantly, the understanding of probability theory. “In a nutshell, ” the...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
An Australian automotive component company plans to assemble and deliver seats to customer on just-in-time basis. It plans to assemble various seat types on one assembly line. Mixed-Model sequencing...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
MANAGING EXTERNAL WORKLOAD WITH BSP TIME WARP This paper describes an extension to the existing BSP Time Warp dynamic load-balancing algorithm to allow the management of interruption from external...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
D-SOL; A DISTRIBUTED JAVA BASED DISCRETE EVENT SIMULATION ARCHITECTURE Most discrete event simulation environments are based on a process-oriented, and therefore multi-threaded paradigm. This results...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sgouris P. Sgouridis
SIMULATION-BASED ANALYSIS OF HANDLING INBOUND CONTAINERS IN A TERMINAL The continuing growth of marine container transport, as well as, the complexity in the analysis of terminal port operations has...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jai Thomas, Jayesh Todi, ...
OPTIMIZATION OF OPERATIONS IN A STEEL WIRE MANUFACTURING COMPANY The project was conducted in a high quality steel wire manufacturing company with the production capacity of over 120,000 tones/annum....
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Simulation models are useful for examining the performance of alternative system configurations and/or alternative operating procedures for a system. This tutorial provides some techniques for...
ABSTRACT AN EMPIRICAL EVALUATION OF SAMPLING METHODS IN RISK ANALYSIS SIMULATION: (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Quasi-monte Carlo, Descriptive Sampling, ...
This paper compares the performance, in terms of convergence rates and precision of the estimates, for six Monte Carlo Simulation sampling methods: Quasi-Monte Carlo using Halton, Sobol, and Faure...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Today’s society relies greatly upon an array of complex national and international infrastructure networks, such as transportation, utilities, telecommunication, and even financial networks. While...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Chao Qi
Semiconductor wafer fabrication is perhaps one of the most complex manufacturing processes found today. In this paper, we construct a simulation model of part of a wafer fab using ProModel ®...
ABSTRACT ENHANCED QUASI-MONTE CARLO METHODS WITH DIMENSION REDUCTION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Junichi Imai
In recent years, the quasi-Monte Carlo approach for pricing high-dimensional derivative securities has been used widely relative to other competitive approaches such as the Monte Carlo methods. Such...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Ricky Valentin, Jeremy Cunningham, ...
This paper presents the use of techniques for simulating product qualification as well as for product testing of electronic hardware to be used in the United States Marine Corp’s Advanced...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Staffing problems arise in a wide range of applications including job shops, call centres, and hospital emergency departments. They are characterised by the need to allocate shift workers with...
Simulation Office, the Distributed Manufacturing (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Transporter is a critical part of Supply Chain integration. An international transporter process involves multiple ground pickup and delivery operations, package sorting and palletizing, airport...
Adaptive Modeling and Simulation (TEAMS). (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Perakath Benjamin, Mike Graul, ...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper discusses how the military can and should move into the world of virtual systems engineering. In the past engineering designs were first done on paper, reviewed using scale models, and...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Mala Chandrakanthi, Patrick Hettiaratchi
Growth in construction activities increases the amount of construction waste generated. Recycling of construction waste is an important component of environmentally responsible construction, as it...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
SSJ: A FRAMEWORK FOR STOCHASTIC SIMULATION IN JAVA We introduce SSJ, an organized set of software tools implemented in the Java programming language and offering general-purpose facilities for...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
TRAFFIC SIMULATION APPLICATION TO PLAN REAL-TIME DISTRIBUTION ROUTES This paper studies the effect of real-time information on optimal routes employed by distribution vehicles that supply goods from...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The emergence of new technologies in simulation modeling such as the World Wide Web has fostered debate on the reuse of models. In this paper we present a case for model reuse and the pot of gold...
IMPLEMENTATION OF A SIMULATION-BASED CONTROL ARCHITECTURE FOR SUPPLY CHAIN INTERACTIONS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Techniques based on discrete-event simulation have been widely used for network analysis and policy optimization in the domain of supply chain management. Previous researchers have developed and...
ABSTRACT EXPLORING THE WORLD OF AGENT-BASED SIMULATIONS: SIMPLE MODELS, COMPLEX ANALYSES (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Susan M. Sanchez
Agent-based simulations are models where multiple entities sense and stochastically respond to conditions in their local environments, mimicking complex large-scale system behavior. We provide an...
MANUFACTURING ADAPTER OF DISTRIBUTED SIMULATION SYSTEMS USING HLA (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Hironori Hibino
In this research, the distributed simulation system to easily evaluate a very large manufacturing system by synchronizing several different simulators is developed. We designed the distributed...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
SIMULATION SYSTEM MODELING FOR MASS CUSTOMIZATION MANUFACTURING Emerging rapidly as a new paradigm of the 21st century, Mass Customization Manufacturing (MCM) systems possess some special...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Use of simulation for capacity analysis is an upcoming field in Biotech industry. This paper discusses an application of discrete event simulation in the multi-product and multi-resource Filling...
SIMULATION STUDY OF DREYER URGENT CARE FACILITY (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The health service center is considering modification of the current doctor schedule to decrease the average time patients spend in the facility. A new schedule, which on average has an extra doctor...
A BALANCED LIKELIHOOD RATIO APPROACH FOR ANALYZING RARE (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Balanced likelihood ratio importance sampling methods were originally developed for the analysis of fault-tolerant systems. This paper provides a basis for adapting this approach to analyze the rare...
OPERATIONAL MODELING AND SIMULATION OF AN INTER-BAY AMHS IN SEMICONDUCTOR WAFER FABRICATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Jesus Jimenez, John Fowler
This paper studies the operational logic in an inter-bay automated material handling system (AMHS) in semiconductor wafer fabrication. This system consists of stockers located in a two-floor layout....
AN ANALYSIS OF STOM (SHIP TO OBJECTIVE MANEUVER) IN SEA BASED LOGISTICS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Keebom Kang, Kenneth H. Doerr
ABSTRACT A COMBINED PROCEDURE FOR OPTIMIZATION VIA SIMULATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Juta Pichitlamken
We propose an optimization-via-simulation algorithm for use when the performance measure is estimated via a stochastic, discrete-event simulation, and the decision variables may be subject to...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The tasks of planning and scheduling in manufacturing have evolved from simplistic Material Requirements Planning systems to today’s sophisticated Advanced Planning and Scheduling systems. While...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Using ProModel simulation language, a universal warehouse storage simulation model has been developed. Applications of the model have been executed with success to analyze the storage capacity and...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Xiao Zhong-e, Rob Simmonds, ...
This paper presents performance results for cell level ATM network simulations using both sequential and parallel discrete event simulation kernels. Five benchmarks are used to demonstrate the...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Hideyuki Mizuta
The need for new theoretical and experimental approaches to understand dynamic and heterogeneous behavior in complex economic and social systems is increasing. Computational and gaming simulations...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Lester B. Pearson – Toronto International Airport is undertaking a $4.4B development program comprising a new 390,000 sq. m. terminal building (replacing two aging terminals), three new runways,...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Hans Vangheluwe
This article introduces multi-formalism modelling and metamodelling to facilitate computer assisted modelling and simulation of complex systems. To aid in the automatic generation of multi-formalism...
E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper we outline practical techniques and guidelines for verifying and validating simulation models. The goal of verification and validation is a model that is accurate when used to predict...
A FRAMEWORK FOR STANDARD MODULAR SIMULATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The primary reason for building manufacturing simulations is to provide support tools that aid the manufacturing decision-making process. Simulations are typically a part of a case study commissioned...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
A discrete event simulation model was developed to study the flow of material and product in a shop floor. It uses real time data available from a job shop sole dedicated to noncommercial contracts...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Simulation optimization is rapidly becoming a mainstream tool for simulation practitioners, as several simulation packages include add-on optimization tools. In this paper we are concentrating on an...
LOAD SHARING IN HETEROGENEOUS DISTRIBUTED SYSTEMS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Helen D. Karatza
Load sharing is key to the efficient operation of distributed systems. This paper investigates load sharing policies in a heterogeneous distributed system, where half of the total processors have...
USING SIMULATION TO UNDERSTAND CAPACITY CONSTRAINTS AND IMPROVE EFFICIENCY ON PROCESS TOOLS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Manuel Aybar
Finding hidden capacity and maximizing cluster tool throughput is a common goal for today’s semiconductor manufacturers. This presentation will discuss a flexible and accurate simulation program...
CREDIT RISK MODELING FOR CATASTROPHIC EVENTS (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Tarja Joro
Estimating default probabilities of companies is one of the fundamental tasks in credit risk models and lending decision-making. One area of particular interest is how the companies ’ asset value...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, William S. Murphy
This paper addresses the need for simulation of voice and data communication demands during civil and military crisis events. Modeling of federal, state, and local civilian agencies in addition to...
E. Yücesan, J. L. Snowdon, J. M. Charnes
A range of minimization methods exist enabling planners to tackle tough scheduling problems. We compare three scheduling techniques representative of “old ” or standard technologies, evolving...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
More efficient and effective control of supply networks is conservatively worth billions of dollars to the world economy. Adopting an approach by which the basic disciplines of Industrial...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Michael Pidd
Is it really true that simulation models and simulation software should always be regarded as candidates for reuse, or is it better to be selective? What are the obstacles to simulation software and...
COMPONENT BASED SIMULATION MODELING WITH SIMKIT (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper demonstrates how to use Simkit to create Discrete Event Simulation models using a component framework. The component framework is based on a listener design pattern especially useful for...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
TECHNIQUES TO ENHANCE PERFORMANCE OF AN EXISTING AVIATION SIMULATION Facing a need to run large scenarios on aviation models more quickly than the one to two days currently required, the MITRE...
EXPANDING OUR HORIZONS IN VERIFICATION, VALIDATION, AND ACCREDITATION RESEARCH AND PRACTICE (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Osman Balci, Richard E. Nance, ...
Many different types of modeling and simulation (M&S) applications, consisting of a combination of software, hardware, and humanware, are used in dozens of disciplines under diverse objectives...
E. Yücesan, J. L. Snowdon, J. M. Charnes, Csaba Attila Boer
The complexity of technical systems that need to be designed and researched is gradually increasing. In order to be competitive and to satisfy the demands of the market, thorough analyses and early...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Virtual reality offers a new frontier for human interaction with simulation models. A virtual environment, such as that created with a CAVE, imposes either real-time or quasi-real-time performance on...
AN ARCHITECTURE FOR A GENERIC DATA-DRIVEN MACHINE SHOP SIMULATOR (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Standard interfaces could help reduce the costs associated with simulation model construction and data exchange between simulation and other software applications-- and thus make simulation...
SHOP SCHEDULING USING TABU SEARCH AND SIMULATION (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Daniel A. Finke, D. J. Medeiros
An important goal in scheduling products through a manufacturing facility is to assure that the work is completed as close as possible to its due date. Work that is late creates downstream delays,...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
A ROBUST SIMULATION-BASED MULTICRITERIA OPTIMIZATION METHODOLOGY This paper describes a methodology for solving Parameter Design (PD) problems in production and business systems of considerable...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
We examine the performance and accuracy of simulating M/G/1 queues when the service time is Pareto distributed with shape parameter, alpha, between one and three. Two applications of this problem are...
Proceedings of the 2002 Winter Simulation Conference (2007)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Increasing factory throughput is a critical issue in the semiconductor industry, and a quick transition of material to the next location in the automation system plays a significant role in...
ENHANCED QUASI-MONTE CARLO METHODS WITH DIMENSION REDUCTION (2003)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Junichi Imai, Takizawa Iwate Japan, ...
In recent years, the quasi-Monte Carlo approach for pricing high-dimensional derivative securities has been used widely relative to other competitive approaches such as the Monte Carlo methods. Such...
UML Based Modeling of Performance Oriented Parallel and Distributed Applications (2002)
J. M. Charnes, Sabri Pllana, Thomas Fahringer
In this paper we introduce a novel approach for modeling performance oriented distributed and parallel applications based on the Unified Modeling Language (UML). We utilize the UML extension...
Cell-DEVS Quantization Techniques in a . . . (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Eric Innocenti, ...
We present the use of the CD++ tool to model and simulate forest fire-spread. A semi-physical fire spread model is implemented using the Cell-DEVS formalism. The use of Cell-DEVS enables proving the...
Performance Analysis of Real-Time DEVS Models (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes
The CD++ toolkit was developed to implement the theoretical concepts specified by the DEVS formalism. CD++ has been recently enhanced to support real-time simulation, where events have to be...
Applications of Simulation in Logistics Combat Developments (2002)
E. Yücesan, Jeffrey L. Higgins, J. L. Snowdon, J. M. Charnes, Gregory H. Graves
As the Army undergoes a transformation from the logistics intensive organizations that currently comprise the force to a more agile and sustainable force, changes in logistics concepts and...
Estimating Buffer Overflows In Three Stages Using Cross-Entropy (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper we propose a fast adaptive Importance Sampling method for the efficient simulation of buffer overflow probabilities in queueing networks. The method comprises three stages. First we...
Promise and Problems of Simulation Technology in SCM Domain (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Sam Bansal
This paper begins by identifying the potential Promise of Simulation domain. It also provides a brief review of this domain and modeling methodologies as applied to supply chain optimization....
E. Yücesan, Eduardo Saliby, J. L. Snowdon, J. M. Charnes, Eduardo Saggioro Garcia, ...
The purpose of this paper is to validate and test the adequacy of an analytical expression to calculate proper safety stock levels using simulation techniques. The model refers to a periodic review...
One-to-One Modeling and Simulation of Unbounded Systems: Experiences and Lessons (2002)
E. Yücesan, David Fisher, J. L. Snowdon, J. M. Charnes, Rohyt V. Belani, ...
Conventional computer modeling and simulation have focused on computer objects that represent elements of the real world. In this paper we present a new approach to modeling and simulation in which...
Web Based Simulation Center: Professional . . . (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, André Hanisch
Simulation projects are usually cooperative endeavors that involve not only the work on the simulation model itself but also a lot of communication among project partners. In the past, support for...
Simulation Modeling and Optimization of . . . (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes
Stockyard is a hob of information that reflects the production, stock and sales of precast concrete products. The stockyard layout plays an important role in storage and retrieval of the products....
UML Based Modeling of Performance Oriented Parallel and Distributed Applications (2002)
Sabri Pllana, Thomas Fahringer, E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper we introduce a novel approach for modeling performance oriented distributed and parallel applications based on the Unified Modeling Language (UML). We utilize the UML extension...
Six Sigma and Simulation, So What's the Correlation? (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, David M. Ferrin, Martin J. Miller, ...
This paper will explore the fundamental relationships between Six Sigma and simulation. A basic overview of Six Sigma includes: 1. Six Sigma philosophy, 2. Basic tools, 3. Theory of Variation, 4....
E. Yücesan, Ritesh Pradhan, Shivkumar Kalyanaraman, J. L. Snowdon, J. M. Charnes, ...
In the current bandwidth market, Internet Service Providers (ISPs) provide guaranteed Internet bandwidth within their domains. However, they are incapable of providing such assurances for data...
Thomas F. Brady, E. Yücesan, J. L. Snowdon, J. M. Charnes
The electric utility industry has undergone fundamental change in the last decade. Foremost of these changes have been numerous deregulation attempts. Producers and large consumers have built...
Introduction to Simulation (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Ricki G. Ingalls
Simulation is a powerful tool if understood and used properly. This introduction to simulation tutorial is designed to teach the basics of simulation, including structure, function, data generated,...
Estimation Of Rare Event Probabilities Using Cross-Entropy (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Tito Homem-de-Mello
This paper deals with estimation of probabilities of rare events in static simulation models using a fast adaptive two-stage procedure based on importance sampling and Kullback-Liebler's...
Turn Lost Production into Profit - Discrete Event Simulation Applied on . . . (2002)
Björn Johansson, Jürgen Kaiser, E. Yücesan, J. L. Snowdon, J. M. Charnes
World-class utilization of manufacturing resources is of vital importance to any manufacturing enterprise in the global competition of today. This requirement calls for superior performance of all...
Parameter Estimation For Arta Processes (2002)
E. Yücesan, Barry Nelson, J. L. Snowdon, J. M. Charnes, Bahar Biller
Providing accurate and automated input-modeling support is one of the challenging problems in the application of computer simulation. The models incorporated in current input-modeling software...
A Simulation Study on Release, Synchronization, and Dispatching in MEMS Fabrication (2002)
E. Yucesan, Loo Hay Lee, J. L. Snowdon, J. M. Charnes, Lixin Wang
MEMS (microelectromechanical system) fabrication can be organized as three sub-processes, that is, the front-end process, the wafer cap process, and the back-end process. The coordination between the...
Next Generation Simulation Environments Founded on Open Source Software . . . (2002)
Thomas Wiedemann, E. Yücesan, J. L. Snowdon, J. M. Charnes
During the Winter Simulation Conference 2001 the OpenSML-project was presented and started. The OpenSML-project is based on the Simulation Modeling Language (SML^TM) and is an open source, web-based,...
Some Issues of the Critical Ratio Dispatch Rule in Semiconductor Manufacturing (2002)
Oliver Rose, E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper, we examine the cycle time and on-time delivery performance of a semiconductor wafer fabrication facility (wafer fab) under critical ratio (CR) dispatch regime. It turns out that...
Multi-Language, Open-Source Modeling Using the Microsoft .net Architecture (2002)
Richard A Kilgore, E. Yücesan, J. L. Snowdon, J. M. Charnes
This presentation reports on the opportunities and limitations Microsoft .Net architecture for supporting the development of a common, open-source, multi-language platform for simulation software...
What's Virtually Possible? (2002)
Wayne J. Davis, E. Yücesan, J. L. Snowdon, J. M. Charnes
This paper continues a sequence of papers discussing futuristic simulation needs and capabilities. These papers focus upon complex systems that evolve by the concurrent execution of processing tasks...
The Umbra Simulation Framework as Applied to Building HLA Federates (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Eric Gottlieb
Sandia's Umbra modular simulation framework was designed to enable the modeling of robots for manufacturing, military, and security system concept evaluation. Umbra generalizes data-flow-based...
Optimal Construction Project Planning (2002)
Simaan Abou Rizk, Yasser Mohamed, E. Yücesan, J. L. Snowdon, J. M. Charnes
The nature of the construction industry combined with the lack of appropriate techniques and technologies suitable for construction work are among the main reasons for inadequate industry...
An Approach and Interface for Building Generic Manufacturing Kaban-Systems Models (2002)
E. Williams, E. Yücesan, J. L. Snowdon, J. M. Charnes, Edward J. Williams, ...
Simulation of manufacturing systems, historically the first major application area of discrete-event process simulation, is becoming a steadily more proactive and important strategy for achieving...
Some Issues of the Critical Ratio Dispatch Rule in Semiconductor Manufacturing (2002)
Oliver Rose, E. Yücesan, J. L. Snowdon, J. M. Charnes
In this paper, we examine the cycle time and on-time delivery performance of a semiconductor wafer fabrication facility (wafer fab) under critical ratio (CR) dispatch regime. It turns out that...
Contributors to Lead Time in Constructing Supply Chains: Case of . . . (2002)
E. Yücesan, J. L. Snowdon, J. M. Charnes, Kenneth D. Walsh, ...
This paper describes process models that characterize the design phase in the supply chain of pipe supports used in power plants. The models are used to study how production system design factors...
Ssj: A Framework For Stochastic Simulation In Java (2002)
Pierre L'Ecuyer, Lakhdar Meliani, Jean Vaucher, E. Yücesan, J. L. Snowdon, ...
We introduce SSJ, an organized set of software tools implemented in the Java programming language and o#ering general-purpose facilities for stochastic simulation programming. It supports the event...