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Spring simulation Interoperability Workshop 2006

作者： Sokolowski, John A. Mielke, Roland R. Virginia Modeling Analysis and Simulation Center Old Dominion University 7000 College Dr. Suffolk VA 23435 United States Department of Electrical and Computer Engineering Old Dominion University Norfolk VA United States

ISBN: (纸本)9781615671731

Hurricanes Katrina and Rita pointed out the very real problems associated with attempting to evacuate millions of residents from specific regions of our country. These problems are encountered not only in natural disasters, but also occur in terrorist-type events such as biological, chemical or nuclear releases. Emergency managers and transportation officials must ensure that their plans are viable and take into account as many unforeseen circumstances as possible. Short of conducting an actual evacuation, modeling and simulation provides the only means of analyzing and testing evacuation plans under a variety of circumstances and conditions. This paper outlines how modeling and simulation can be employed effectively to conduct in-depth transportation evacuation analyses and demonstrates how an evacuation model can help answer the many "what if" questions for which public officials are responsible.

关键词： Disasters

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MediSim: simulated medical corpsmen and casualties for medical forces planning and training

MediSim: simulated medical corpsmen and casualties for medic...

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Proceedings of the National Forum on Military Telemedicine On-Line Today, "Research, Practice, and Opportunities"

作者： N.I. Badler J.R. Clarke M.J. Hollick E. Kokkevis D.N. Metaxas R. Bindiganavale B.L. Webber D.M. Chi N. Foster O. Ogunyemi J. Kaye Center for Human Modeling and Simulation Department of Computer and Information Science University of Pennsylvania Philadelphia PA USA

The MediSim system extends virtual environments (both local and network) to represent simulated medical personnel interacting with simulated casualties. Our technology fosters dual-use applications involving planning, training, and evaluation of both medical corpsmen and civilian EMTs. Behaviors and behavioral control are being developed for the medical corpsmen that will enable their actions on the digital battlefield to conform to both military practice and medical protocols. From situationally-appropriate injury models, a set of physical and behavioral manifestations in a simulated casualty will be determined and portrayed on a three-dimensional body.

关键词： Medical simulation Injuries Computational modeling Humans computer simulation Biological system modeling Avatars Virtual environment Medical control systems Personnel

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Autobiographical retrospectives: The evolution of theory of modeling and simulation

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International Journal of General Systems 2003年第3期32卷 X-236页

作者： Zeigler, Bernard P. Arizona Center for Integrative Modeling and Simulation Department of Electrical and Computer Engineering University of Arizona Tucson AZ 85721 United States

No abstract available

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Linking anatomy and physiology in modeling respiratory mechanics

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Studies in Health Technology and Informatics 1996年 29卷 580-589页

作者： Kaye, J. Metaxas, D. Badler, N. Clarke, J. Webber, B. Center for Human Modeling and Simulation Department of Computer and Information Science University of Pennsylvania Philadelphia PA 19104-6389 United States

We present an integrated 3D virtual environment for the quantitative modeling of the anatomy and the physiology of the pulmonary system. Our approach formally integrates 3D deformable object modeling with conventional models of respiratory mechanics. We demonstrate quantitatively, aspects of the behavior of the respiratory system qualitatively known to clinicians, such as normal quiet breathing and an open sucking chest wound. Our methodology is general and can be used to model both the anatomy and the physiology at many levels of detail. Another important aspect of our approach is that based on our previously developed computer vision techniques we can make such a simulation patient specific. The usefuleness of such a system is manifold. Medical education, surgical planning, disease diagnosis are some of the many areas such a system can be applied. © The authors 1996.

关键词： Medical education

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Dynamic autonomous agents: game applications

Dynamic autonomous agents: game applications

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computer Animation

作者： S. Goldenstein E. Large D. Metaxas Center for Human Modeling and Simulation Computer and Information Science Department University of Pennsylvania Philadelphia PA USA

Presents a method for the generation of real-time dynamic autonomous agents in game environments. The method is based on the use of dynamical systems theory which allows us to express intelligent behaviors using systems of differential equations. These differential equations operate at two distinct levels. At one level, the differential equations governing movement comprise a carefully designed set of attractor-repeller fields. At a second level, behavior selection is modeled using a competition dynamics that determines the relevant contributions to the movement dynamics at each time instant. Thus, our autonomous agents are capable of exhibiting useful behaviors in complex environments. Using this approach, we are able to demonstrate, in real time, behaviors such as single and multiple target tracking with both stationary and moving obstacles.

关键词： Autonomous agents Equations Nonlinear dynamical systems Animation Application software Humans Computational modeling computer simulation Information science Programmable logic arrays

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Real-time virtual humans

Real-time virtual humans

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Pacific Conference on computer Graphics and Applications

作者： N.I. Badler Center for Human Modeling and Simulation Department of Computer and Information Science University of Pennsylvania Philadelphia PA USA

The last few years have seen great maturation in the computation speed and control methods needed to portray 3D virtual humans that are suitable for real interactive applications. We first describe the state of the art, then focus on the particular approach taken at the University of Pennsylvania with the Jack system. Various aspects of real-time virtual humans are considered, such as their appearance and motion, interactive control, autonomous actions, gestures, attention, locomotion and multiple individuals. The underlying architecture consists of a sense-control-act structure that permits reactive behaviors to be locally adaptive to the environment, and a PaT-Net (parallel transition network) parallel-finite-state machine controller that can be used to drive virtual humans through complex tasks. We then argue for a deep connection between language and animation and describe current efforts in linking them through two systems: the Jack Presenter and the JackMOO extension to lambdaMOO. Finally, we outline a parameterized action representation for mediating between language instructions and animated actions.

关键词： Humans Biological system modeling Computational modeling Application software Lifting equipment Animation Embedded computing Avatars Shape computer simulation

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Gesticulation behaviors for virtual humans

Gesticulation behaviors for virtual humans

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Pacific Conference on computer Graphics and Applications

作者： Liwei Zhao N.I. Badler Center for Human Modeling and Simulation Department of Computer and Information Science University of Pennsylvania Philadelphia PA USA

Gesture and speech are two very important behaviors for virtual humans. They are not isolated from each other but generally employed simultaneously in the service of the same intention. An underlying PaT-Net parallel finite state machine may be used to coordinate them both. Gesture selection is not arbitrary. Typical movements correlated with specific textual elements are used to select and produce gesticulation online. This enhances the expressiveness of speaking virtual humans.

关键词： Humans Kinematics Speech synthesis Computational modeling computer simulation Information science Avatars Concrete Shape Turning

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DEVS/NS-2 environment;Integrated tool for efficient networks modeling and simulation

DEVS/NS-2 environment;Integrated tool for efficient networks...

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2007 Agent Directed simulation Symposium, ADS 2007

作者： Kim, Taekyu Hwang, Moon Ho Kim, Doohwan Zeigler, Bernard P. Arizona Center for Integrative Modeling and Simulation Electrical and Computer Engineering Department University of Arizona TucsonAZ85721 United States RTSync Corp. 4731 E Southern Ave. PhoenixAZ85042 United States

ISBN: (纸本)1565553136

DEVS/NS-2 is a new integrated network simulation tool that provides efficient high and low level network modeling capabilities. DEVS (Discrete Event System Specification) serves as a base framework to support well-defined mathematical formalism specification for structure and behavior of dynamic systems. The NS-2 is a discrete event network simulator, whose primary use is intended to build and run various detailed network models and protocols. The interoperable simulation of the two powerful modeling and simulation systems, DEVS and NS-2, allows to attain significant benefits in terms of reduction of the cost, increased high and low level networks modeling power, and enhanced reusability.

关键词： Wireless sensor networks

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Incorporating a PMF-Based Injury Model into a Multi-Agent Representation of Crowd Behavior

Incorporating a PMF-Based Injury Model into a Multi-Agent Re...

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ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing (SNPD)

作者： Frederic D. McKenzie Herbie H. Piland Min Song Department of Electrical and Computer Engineering Virginia Modeling Analysis and Simulation Center (VMASC) Old Dominion University Norfolk VA USA Department of Electrical and Computer Engineering Virginia Modeling Analysis and Simulation Center (VMASC) Old Dominion University Norfolk VA

Throughout the years, much research has been conducted on human behavior models that focus on individual intelligent human agents. Fewer multi-agent based models have addressed group or crowd behavior from a psychological and sociological perspective. We have been focused on incorporating crowd behavior models into control force (police and military) simulations and have developed a real-time crowd simulation capable of generating multiple intelligent agent civilians that exhibit a variety of realistic individual and group behaviors at differing levels of fidelity. One important aspect of modeling realistic crowd behaviors is determining the physiological effects of weapons, both non-lethal and lethal alike, on humans. To this end, we present our categories of non-lethal weapons and their physiological effects that need to be represented. Additionally, this paper describes an injury model developed by the University of Pennsylvania and its integration into our Crowd Federate.

关键词： Injuries Humans Weapons Intelligent agent Force control Decision making Software engineering Artificial intelligence Distributed computing Computational modeling

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Ontology methodology based context awareness using system entity structure for network analysis

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2nd KES International Symposium on Agent and Multi-Agent Systems: Technologies and Applications, KES-AMSTA 2008

作者： Kim, Taekyu Han, Young-Shin Kim, Tae-Young Lee, Jong-Sik Arizona Center for Integrative Modeling and Simulation Electrical and Computer Engineering Department University of Arizona Tucson AZ 85721 United States School of Engineering Inha University 253 Yonghyun-Dong Nam -Gu Incheon 402-751 Korea Republic of

ISBN: (纸本)3540785817

Currently network uses, especially the number of internet users, increase rapidly. Also, high quality of service is required and this requirement results a sudden network traffic increment. As a result, an efficient management system for huge network traffic becomes an important issue. Ontology/data engineering based context awareness using the System Entity Structure (SES) concepts enables network administrators to access traffic data easily and efficiently. The network traffic analysis system, which is studied in this paper, is an effective management system with a high throughput and a low response time designed and implemented based on a model and simulation based data engineering methodology. Extensible Markup Language (XML) is used for metadata language in this system. The information which is extracted from the network traffic analysis system could be modeled and simulated in Discrete Event simulation (DEVS) methodology for further works such as post simulation evaluation, web services, and etc. © 2008 Springer-Verlag Berlin Heidelberg.

关键词： Ontology

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