Distributed Multi-Algorithm Diagnostics and Prognostics for US Navy Ships (2008)
George D. Hadden, Peter Bergstrom, Bonnie Holte Bennett, Its Teammates (predictdli, George Vachtsevanos, Joe Van Dyke
An Accurate Registration Method for Large Object Surface Reconstruction from Range Image 502 (2008)
B. Jharia, S. Sarkar, R. P. Agarwal, Patricia Renault, Pirouz Bazargan-sabet, Fabio T. Wakabayashi, ...
Measuring the equivalent resistance of electrode filaments of tubular fluorescent lamps, during dimming operation
Processing Textual Information from Industrial Systems Using Semantic Networks (2008)
Abhinav Saxena, George Vachtsevanos
Abstract. A paradigm shift is emerging in system reliability and maintainability. The military and industrial sectors are moving away from the traditional breakdown and scheduled maintenance and...
Application of software enabled control technologies to a full-scale unmanned helicopter (2008)
Graham Drozeski, Ilkay Yavrucuk, Eric Johnson, Daniel Schrage, George Vachtsevanos
This paper presents a control architecture designed to accommodate a selection of modern control algorithms on a full-scale rotary-wing, unmanned aerial vehicle. The architecture integrates a visual...
Neural Network Detection of Antiepileptic Drugs from a Single EEG Trace (2008)
Javier Echauz, George Vachtsevanos
Three systems#a Bayes quadratic classifier (BQ), a self-organizing polynomial network (PN), and a backpropagation neural network (NN)#were created for subject-independent classification into either...
Radial Wavelet Neural Networks for Electroencephalographic Drug Detection (2007)
Javier Echauz, George Vachtsevanos
Several samples of single-channel EEGs collected from 10 subjects under normal conditions, and under one of 3 antiepileptic drugs, were used to train 30 wavelet neural networks (WNNs) to perform 3...
Abhinav Saxena, Dr. George Vachtsevanos, Dr. Magnus Egerstedt, A. Ferri, Madhu Saxena, ...
I extend my sincere gratitude and appreciation to many people who made this research possible. Special thanks are due to my advisor Dr. George Vachtsevanos for his continual guidance, willing advice...
One-Class Novelty Detection for Seizure Analysis from Intracranial EEG (2006)
Intracranial Eeg, Pack Kaelbing, Andrew B. Gardner, Andrew B. Gardner, Abba M. Krieger, ...
This paper describes an application of one-class support vector machine (SVM) novelty detection for detecting seizures in humans. Our technique maps intracranial electroencephalogram (EEG) time...
Software Enabled Control Experiments with University-Operated Unmanned Aircraft (2005)
Eric N. Johnson, Daniel P. Schrage, George Vachtsevanos
On August 25, 2004, a series of flight experiments and demonstrations were flown at the McKenna urban operations complex at Ft. Benning, GA. These experiments represented the culmination of the...
Andrew B. Gardner, Lanterman Dr, Robert Butera, Esteller Dr, ...
To my family and friends—especially to my father, for taking the long view.
An intelligent approach to coordinated control of multiple unmanned aerial vehicles (2004)
George Vachtsevanos, Liang Tang, Johan Reimann
This paper introduces a novel architecture for the coordinated control of multiple Unmanned Aerial Vehicles (UAVs) and a differential game theoretical approach to formation control and collision...
Sensor Placement for Isotropic Source Localization (2003)
Tamir Hegazy, George Vachtsevanos
Abstract. This paper proposes a sensor placement method for three-dimensional point source localization using multiple sensors. An observation model of multiple sensors and one source of unknown...
Software-Enabled Control for Intelligent UAVs (1999)
George Vachtsevanos, Daniel P. Schrage
The emerging era of Uninhabited Aerial Vehicles (UAVs) demands software architectures capable of distributed computing, plug-and-play of control algorithms, rapid realtime algorithm switching and...
Separating Order from Disorder in a Stock Index Using Wavelet Neural Networks (1997)
Javier Echauz, George Vachtsevanos
: In order to determine how much deterministic structure, if any, is present in the behavior of price yields for a stock index, the following practical investment problem is defined: Decide today...