Active Brownian Particles with Internal Energy Depot (2009)
D. Helbing, H. J. Herrmann, M. Schreckenberg, D. E. Wolf, Frank Schweitzer
Active motion relies on the supply of energy. In order to turn passive into active motion, we need to consider mechanisms of energy take-up, storage and conversion. A suitable approach which...
Abstract OLSIM- Traffic Forecast and Planning using Simulations (2008)
M. Schreckenberg, R. Chrobok, S. F. Hafstein, A. Pottmeier
In this contribution the traffic information system OLSIM is presented. It uses a combination of different kinds of real time traffic data sources like loop detectors, road work messages, and police...
FUTURE OF TRAFFIC INFORMATION: ONLINE- SIMULATION OF A LARGE SCALE FREEWAY NETWORK (2008)
F. Mazur, R. Chrobok, S. F. Hafstein, A. Pottmeier, M. Schreckenberg
Detailed and reliable information about the current traffic state is hardly obtainable by the road user. Therefore, we propose a web based visualization of the current and future traffic load of the...
Physical Modelling of Tra c with Stochastic Cellular Automata (2007)
contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of...
Correlation functions in the Nagel--Schreckenberg model (2007)
S Cheybani, J Kert Esz, M Schreckenberg
Abstract. We investigate the effect of the jamming transition on short-range correlation functions in the Nagel--Schreckenberg cellular automaton model of single-lane traffic. At high densities the...
Quality Control In Urban Traffic Control (2007)
J. Lange, J. Wahle, Prof Dr, M. Schreckenberg
INTRODUCTION Traffic control, especially an adaptive look-ahead signal control of intersections became more and more popular during the last years since first standardised applications have been...
Information about the present traffic state in road networks is an important assumption for efficient dynamic traffic management. We present a concept for online simulations of urban road networks:...
Microscopic Simulation of Evacuation Processes on Passenger Ships (2007)
H. Klüpfel, T. Meyer-König, J. Wahle, M. Schreckenberg
The analysis of evacuation processes on-board passenger ships has attracted increasing interest over the last years. Most of the approaches utilise so called ow models. Cellular automaton models,...
Density waves and jamming transition in cellular automaton models (2007)
L Neubert, H Y Lee, M Schreckenberg
for traffic flow
A realistic two-lane traffic model for highway traffic (2002)
Knospe, W., Santen, L., Schadschneider, A., Schreckenberg, M.
A two-lane extension of a recently proposed cellular automaton model for traffic flow is discussed. The analysis focuses on the reproduction of the lane usage inversion and the density dependence of...
Localized defects in a cellular automaton model for traffic flow with phase separation (2001)
Pottmeier, A., Barlovic, R., Knospe, W., Schadschneider, A., Schreckenberg, M.
We study the impact of a localized defect in a cellular automaton model for traffic flow which exhibits metastable states and phase separation. The defect is implemented by locally limiting the...
Optimizing traffic lights in a cellular automaton model for city traffic (2001)
Barlovic, R., Brockfeld, Elmar, Schadschneider, A., Schreckenberg, M.
Stochastic boundary conditions in the deterministic Nagel-Schreckenberg traffic model (2000)
Cheybani, S., Kertesz, J., Schreckenberg, M.
We consider open systems where cars move according to the deterministic Nagel-Schreckenberg rules and with maximum velocity ${v}_{max} > 1$, what is an extension of the Asymmetric Exclusion Process...
The nondeterministic Nagel-Schreckenberg traffic model with open boundary conditions (2000)
Cheybani, S., Kertesz, J., Schreckenberg, M.
We study the phases of the Nagel-Schreckenberg traffic model with open boundary conditions as a function of the randomization probability p > 0 and the maximum velocity ${v}_{max} > 1$. Due to the...
CA Models for Traffic Flow: Comparison with Empirical Single-Vehicle Data (2000)
Knospe, W., Santen, L., Schadschneider, A., Schreckenberg, M.
Although traffic simulations with cellular-automata models give meaningful results compared with empirical data, highway traffic requires a more detailed description of the elementary dynamics. Based...
On-Line Simulation of the Freeway Network of North Rhine-Westphalia (2000)
North Rhine-westphalia, O. Kaumann, K. Froese, R. Chrobok, J. Wahle, L. Neubert, ...
Recently, an on-line simulation for traffic flow in urban areas has been presented [1,2]. In this contribution, a framework for on-line simulations of freeways is proposed. It is based on cellular...
A Dynamic Route Guidance System Based on Real Traffic Data (2000)
J. Wahle, O. Annen, Ch. Schuster, L. Neubert, M. Schreckenberg
Mobility is one of the vital goods of modern societies. One way to alleviate congestion and to utilise the existing infrastructure more efficiently are Advanced Traveller Information Systems (ATIS)....
Towards Anticipatory Traffic Forecast - Modelling of Route Choice Behaviour (2000)
F. Klügl, J. Wahle, M. Schreckenberg
This paper discusses a framework which considers the behaviour of drivers as a mean to achieve an anticipatory traffic forecast. We introduce a two-layer agent-based architecture for the simulation...
Microscopic simulation of evacuation processes on passenger ships (2000)
H. Klüpfel, T. Meyer-könig, J. Wahle, M. Schreckenberg
Abstract. The analysis of evacuation processes on-board passenger ships has attracted increasing interest over the last years. Most of the approaches utilise so called flow models. Cellular automaton...
Statistical Analysis of Freeway Traffic (1999)
Neubert, L., Santen, L., Schadschneider, A., Schreckenberg, M.
Single-vehicle data of freeway traffic as well as selected Floating-Car (FC) data are analyzed in great detail. Traffic states are distinguished by means of aggregated data. We propose a method for a...
Single-vehicle data of highway traffic - a statistical analysis (1999)
Neubert, L., Santen, L., Schadschneider, A., Schreckenberg, M.
In the present paper single-vehicle data of highway traffic are analyzed in great detail. By using the single-vehicle data directly empirical time-headway distributions and speed-distance relations...
R. Barlovic, J. Esser, K. Froese, W. Knospe, L. Neubert, M. Schreckenberg, ...
The development of dynamic traffic information systems is one of the most important challenges in the field of Intelligent Transportation Systems ITS. A promising way is to couple simulations of the...
A Cellular Automaton Traffic Flow Model for Online Simulation of Traffic (1999)
J. Wahle, L. Neubert, J. Esser, M. Schreckenberg
Spatially and temporally resoluted information about traffic states in road networks is a basic requirement for the application of Intelligent Transport Systems (ITS). We present a concept for online...
Modeling and Simulation of Traffic Flow (1999)
J. Wahle, L. Neubert, M. Schreckenberg
Recently, investigations of empirical traffic data revealed a variety of phenomena, e.g., metastable states with a very high flow and synchronized traffic flow with a sudden drop in the velocity. In...
Anticipatory traffic forecast using multi-agent techniques (1999)
J. Wahle, F. Klügl, M. Schreckenberg
In this contribution, intelligent transportation systems (ITS) and their impact on traffic systems are discussed. Although traffic forecast offers the possibility to rearrange the temporal...
Density Waves and Jamming Transition in Cellular Automaton Models for Traffic Flow (1998)
Neubert, L., Lee, H. Y., Schreckenberg, M.
In this paper computer simulation results of higher order density correlation for cellular automaton models of traffic flow are presented. The examinations show the jamming transition as a function...
Metastable States in Cellular Automata for Traffic Flow (1998)
Barlovic, R., Santen, L., Schadschneider, A., Schreckenberg, M.
Measurements on real traffic have revealed the existence of metastable states with very high flow. Such states have not been observed in the Nagel-Schreckenberg (NaSch) model which is the basic...
Density fluctuations and phase separation in a traffic flow model (1998)
Lubeck, S., Schreckenberg, M., Usadel, K. D.
Within the Nagel-Schreckenberg traffic flow model we consider the transition from the free flow regime to the jammed regime. We introduce a method of analyzing the data which is based on the local...
A Five-Vertex Model Interpretation of One-Dimensional Traffic Flow (1998)
J.G. Brankov, M. Schreckenberg
. Here we solve a discrete one-dimensional traffic flow problem by mapping the allowed sets of car trajectories onto a line representation of the five-vertex model configurations. The fundamental...
Density Fluctuations and Phase Separation in a Traffic Flow Model (1998)
S. Lübeck, M. Schreckenberg, K. D. Usadel
. Within the Nagel-Schreckenberg traffic flow model we consider the transition from the free flow regime to the jammed regime. We introduce a method of analyzing the data which is based on the local...
Disorder Effects in CA-Models for Traffic Flow (1997)
Knospe, W., Santen, L., Schadschneider, A., Schreckenberg, M.
We investigate the effect of quenched disorder in the Nagel-Schreckenberg model of traffic flow. Spatial inhomogenities, i.e. lattice sites where the braking probability is enlarged, are considered...
Metastable States in CA models for Traffic Flow (1997)
Barlovic, R., Santen, L., Schadschneider, A., Schreckenberg, M.
Measurements of traffic flow show the existence of metastable states of very high throughput. These observations cannot be reproduced by the CA model of Nagel and Schreckenberg (NaSch model), not...
The asymmetric exclusion process: Comparison of update procedures (1997)
Rajewsky, N., Santen, L., Schadschneider, A., Schreckenberg, M.
The asymmetric exclusion process (ASEP) has attracted a lot of interest not only because its many applications, e.g. in the context of the kinetics of biopolymerization and traffic flow theory, but...
Density Fluctuations and Phase Transition in the Nagel-Schreckenberg Traffic Flow Model (1997)
Lubeck, S., Schreckenberg, M., Usadel, K. D.
We consider the transition of the Nagel-Schreckenberg traffic flow model from the free flow regime to the jammed regime. We examine the inhomogeneous character of the system by introducing a new...
Jamming transition in a cellular automaton model for traffic flow (1997)
Eisenblaetter, B., Santen, L., Schadschneider, A., Schreckenberg, M.
The cellular automaton model for traffic flow exhibits a jamming transition from a free-flow phase to a congested phase. In the deterministic case this transition corresponds to a critical point with...
A hierarchical model for aging (1997)
Geppert, U., Rieger, H., Schreckenberg, M.
We present a one dimensional model for diffusion on a hierarchical tree structure. It is shown that this model exhibits aging phenomena although no disorder is present. The origin of aging in this...
Saturated capacities in traffic systems evoke increasing interest in simulations of complex networks serving as laboratory environment for developing management strategies. Especially for urban areas...
Microscopic Simulation Of Urban Traffic Based On Cellular Automata (1997)
this paper is as follows: First the cellular automaton model is briefly described. In the main part we focus on the simulation tool and explain the essential elements like network representation,...
A Hierarchical Model for Ageing (1997)
U. Geppert, Heiko Rieger, H Rieger, M. Schreckenberg
.<F3.733e+05> We present a one-dimensional model for diffusion on a hierarchical tree structure. It is shown numerically that this model exhibits ageing phenomena although no disorder is...
Exact results for one dimensional stochastic cellular automata for different types of updates (1996)
Rajewsky, N., Schreckenberg, M.
We study two common types of time-noncontinuous updates for one dimensional stochastic cellular automata with arbitrary nearest neighbor interactions and arbitrary open boundary conditions. We first...
The asymmetric exclusion model with sequential update (1996)
Rajewsky, N., Schadschneider, A., Schreckenberg, M.
We present a solution for the stationary state of an asymmetric exclusion model with sequential update and open boundary conditions. We solve the model exactly for random hopping in both directions...
The Kasteleyn model and a cellular automaton approach to traffic flow (1995)
Brankov, J. G., Priezzhev, V. B., Schadschneider, A., Schreckenberg, M.
We propose a bridge between the theory of exactly solvable models and the investigation of traffic flow. By choosing the activities in an apropriate way the dimer configurations of the Kasteleyn...
Off-Equilibrium Dynamics in Finite-Dimensional Spin Glass Models (1995)
Kisker, J., Santen, L., Schreckenberg, M., Rieger, H.
The low temperature dynamics of the two- and three-dimensional Ising spin glass model with Gaussian couplings is investigated via extensive Monte Carlo simulations. We find an algebraic decay of the...
The Self-Organized Critical Forest-Fire Model with Trees and Bushes (1995)
Strocka, B., Schreckenberg, M.
We present a forest-fire model with trees and bushes. Additional to the usual nearest-neighbour fire spreading both populations can ignite each other at the same lattice site. Simulations in two...
The Self-Organized Critical Forest-Fire Model with Trees and Bushes (1995)
Strocka, B., Schreckenberg, M.
We present a forest-fire model with trees and bushes. Additional to the usual nearest-neighbour fire spreading both populations can ignite each other at the same lattice site. Simulations in two...
The Self-Organized Critical Forest-Fire Model with Trees and Bushes (1995)
Strocka, B., Schreckenberg, M.
We present a forest-fire model with trees and bushes. Additional to the usual nearest-neighbour fire spreading both populations can ignite each other at the same lattice site. Simulations in two...
Two Lane Traffic Simulations (1995)
K. Nagel, M. Schreckenberg, A. Latour, M. Rickert, M. Rickert
a;b;e
Two Lane Traffic Simulations using Cellular Automata (1995)
Kai Nagel, M. Schreckenberg, A. Latour, Marcus Rickert, M. Rickert
We examine a simple two lane cellular automaton based upon the single lane CA introduced by Nagel and Schreckenberg. We point out important parameters defining the shape of the fundamental diagram....
Discrete stochastic models for traffic flow (1994)
Schreckenberg, M., Schadschneider, A., Nagel, K., Ito, N.
We investigate a probabilistic cellular automaton model which has been introduced recently. This model describes single-lane traffic flow on a ring and generalizes the asymmetric exclusion process...
Rieger, J. Kisker H., Schreckenberg, M.
The non-equilibrium dynamics of a one-dimensional Ising model with uniform, short-ranged three-spin interactions is investigated. It is shown that this model possesses an exponentially large number...
Kisker, H. Rieger J., Schreckenberg, M.
Results of extensive Monte-Carlo simulations that investigate the out-of-equilibrium dynamics of the one-dimensional Ising spin glass model with a Gaussian bond-distribution are presented. At low...
Aging and domain growth in the two--dimensional Ising spin glass model (1994)
Steckemetz, H. Rieger B., Schreckenberg, M.
Interrupted aging in the two-dimensional Ising spin glass model with Gaussian couplings is established and investigated via extensive Monte-Carlo simulations. The spin autocorrelation function scales...
Reentrant Behavior in the Domany-Kinzel Cellular Automaton (1994)
Rieger, H., Schadschneider, A., Schreckenberg, M.
We present numerical and analytical results for a special kind of one-dimensional probabilistic cellular automaton, the so called Domany-Kinzel automaton. It is shown that the phase boundary...
AT ZU K OLN Report No. 94.172 DISCRETE STOCHASTIC MODELS FOR TRAFFIC FLOW by (1994)
Michael Schreckenberg, Andreas Schadschneider, Kai Nagel, Nobuyasu Ito, M. Schreckenberg, A. Schadschneider, ...
Discrete stochastic models for traffic flow
Discrete Stochastic Models For Traffic Flow (1994)
Michael Schreckenberg, Andreas Schadschneider, Kai Nagel, Nobuyasu Ito, M. Schreckenberg, A. Schadschneider, ...
We investigate a probabilistic cellular automaton model which has been introduced recently. This model describes single-lane traffic flow on a ring and generalizes the asymmetric exclusion process...
Cellular automaton models and traffic flow (1993)
Schadschneider, A., Schreckenberg, M.
A recently introduced cellular automaton model for the description of traffic flow is investigated. It generalises asymmetric exclusion models which have attracted a lot of interest in the past. We...
The Domany-Kinzel cellular automaton revisited (1992)
Kohring, G., Schreckenberg, M.
New analytic and numerical results for the one-dimensional Domany-Kinzel cellular automaton are presented. Analytically we show that the qualitative features of the phase diagram, including the new...
The Domany-Kinzel cellular automaton revisited (1992)
Kohring, G., Schreckenberg, M.
New analytic and numerical results for the one-dimensional Domany-Kinzel cellular automaton are presented. Analytically we show that the qualitative features of the phase diagram, including the new...
The Domany-Kinzel cellular automaton revisited (1992)
Kohring, G., Schreckenberg, M.
New analytic and numerical results for the one-dimensional Domany-Kinzel cellular automaton are presented. Analytically we show that the qualitative features of the phase diagram, including the new...
Numerical investigation of the asymmetric SK-model with deterministic dynamics (1991)
Pfenning, T., Rieger, H., Schreckenberg, M.
The dynamics of the asymmetric SK-model with binary couplings Jij=±1, which was introduced in the context of neutral networks, is investigated numerically at T=0 and with sequential updating...
Numerical studies of the spin-flip dynamics in the SK-model (1991)
Kohring, G., Schreckenberg, M.
The spin-flip dynamics of the SK-model is studied numerically with systems of up to 105 spins. For sequential dynamics at T=0 we find a remanent magnetization of 0.085±0.005 which is about half the...
Numerical investigation of the asymmetric SK-model with deterministic dynamics (1991)
Pfenning, T., Rieger, H., Schreckenberg, M.
The dynamics of the asymmetric SK-model with binary couplings Jij=±1, which was introduced in the context of neutral networks, is investigated numerically at T=0 and with sequential updating...
Numerical studies of the spin-flip dynamics in the SK-model (1991)
Kohring, G., Schreckenberg, M.
The spin-flip dynamics of the SK-model is studied numerically with systems of up to 105 spins. For sequential dynamics at T=0 we find a remanent magnetization of 0.085±0.005 which is about half the...
Numerical investigation of the asymmetric SK-model with deterministic dynamics (1991)
Pfenning, T., Rieger, H., Schreckenberg, M.
The dynamics of the asymmetric SK-model with binary couplings Jij=±1, which was introduced in the context of neutral networks, is investigated numerically at T=0 and with sequential updating...
Numerical studies of the spin-flip dynamics in the SK-model (1991)
Kohring, G., Schreckenberg, M.
The spin-flip dynamics of the SK-model is studied numerically with systems of up to 105 spins. For sequential dynamics at T=0 we find a remanent magnetization of 0.085±0.005 which is about half the...
Experiments and Simulations on Day-to-Day Route Choice-Behaviour
Reinhard Selten, M. Schreckenberg, Thomas Pitz, T. Chmura, S. Kube
The paper reports laboratory experiments on a day-to-day route choice game with two routes. Subjects had to choose between a main road M and a side road S. The capacity was greater for the main road....
A dynamic route guidance system based on real traffic data
Wahle, J., Annen, O., Schuster, Ch., Neubert, L., Schreckenberg, M.
Efficiency of Route Guidance Systems in Urban Road Networks
The scope of this paper is to check out the benefits of providing dynamic real-time en route information to drivers. With regard to practical prevalence the investigations are carried out for...