Patents/Publications

Patents

  • Forsythe, J. Chris, Speed, Ann E., Jordan, Sabina E., & Xavier, Patrick G. (2008). “A Method for Computer Emulation of Human Decision Making.” USPTO Patent #7,370,023. Issued 6 May.
  • Gottlieb, Eric Joseph; McDonald, Michael James; Oppel, Fred John III; & Xavier, Patrick Gordon. (2006). “Apparatus and Method for Interaction Phenomena With World Modules in Data-Flow-Based Simulation.” USPTO Patent #7,085,694. Issued 1 August.
  • Xavier, Patrick G. (2002). “Method and Apparatus for Modeling Interactions that Overcomes Drawbacks.” USPTO Patent #6,407,748 B1. Issued 18 June.
  • Xavier, Patrick G. (2000). “Method and Apparatus for Modeling Interactions.” USPTO Patent #6,099,673. Issued 8 August.

Publications

Modeling and Simulation

  • Parker, Eric Paul, Nadine Elizabeth Miner, Brian Peter Van Leeuwen, and James Brian Rigdon. (2009). “Testing Unmanned Autonomous Systems Communications in a Live/Virtual/Constructive Environment.” ITEA Journal 30, 513-522.
  • Skroch, Michael. (2009) "Modeling and Simulation of Red Teaming" Red Team Journal.
  • Parker, Eric P., Miner, Nadine E., Van Leeuwen, Brian P., and Rigdon, J. Brian. (2009). “Testing Unmanned Autonomous Systems Communications in a Live/Virtual/Constructive Environment.” Sandia Report SAND2009-3369. Albuquerque, NM: Sandia National Laboratories.
  • Cloutier, Robert, Mark De Spain, John Linebarger, Floyd Spencer. (2009). "Agile Development of Tracktable Analyses and Simulations of Complex Systems." Available as SAND2008-7041C.
  • Rigdon, J. Brian, Parker, Eric, & Miner, Nadine. (2008). “Distributed, Seamless Integration of Live Systems and Simulations.” 2008 Annual ITEA Technology Review, 14-17 July, Colorado Springs, CO.
  • McDonald, Michael J. (2007). “Design Theoretic Analysis of Three System Modeling Frameworks.” Sandia Report SAND2007-1274. Albuquerque, NM: Sandia National Laboratories.
  • Southward, Charles M. II. (2007). “Autonomous Convoy Study of Unmanned Ground Vehicles using Visual Snakes.” Master’s thesis, Department of Aerospace and Ocean Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA.
  • Barriga, Eduardo S., Russell, Stephen, Abramoff, Michael, Brittain, Robert, Waymire, Russell, Edwards, Anne, Engstrom, Richard, Davis, Bert, & Soliz, Peter. (2006). “A Training System for Photodynamic Therapy using Modeling and Simulation.” Proceedings of the 19th IEEE Symposium on Computer-Based Medical Systems (CBMS’06), 22-23 June, Salt Lake City, UT, 646-652.
  • Brittain, Robert, Barfoot, Joseph, Hamilton, Paul, Waymire, Russel, Nguyen, Phong, & Soliz, Peter. (2006). “Umbra, an Object-Oriented Simulation and Integration Framework.” Proceedings of the 2006 International Conference on Modeling, Simulation & Visualization Methods (MSV 2006), 26-29 June, Las Vegas, NV, 3-7.
  • Doser, Adele, & Whitford, Gregg. (2006). “Particle Filter Based Algorithm for Target Position Estimation Under Sparce Sensor Surveillance.” Proceedings of the 12th IEEE Digital Signal Processing Workshop, 24-27 September, Grand Teton National Park, WY, 482-487.
  • Hamilton, Paul L., McKinley, John B., & Brittain, Robert. (2006). “Rapid Development of a Multi-Aircraft Aviation System Simulation.” Proceedings of the 2006 International Conference on Modeling, Simulation & Visualization Methods (MSV 2006), 26-29 June, Las Vegas, NV, 74-79.
  • Monda, Mark J. (2006). “Hardware Testbed for Relative Navigation of Unmanned Vehicles Using Visual Servoing.” Master’s thesis, Department of Aerospace and Ocean Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA.
  • Liu, Yanbin, Starr, Gregory, Wood, John, & Lumia, Ron. (2005). “Spatial Grasp Synthesis for Complex Objects using Model-Based Simulation.” Industrial Robot: An International Journal 32(1), 24-31.
  • McDonald, Michael J. (2005). “Umbra’s System Representation.” Sandia Report SAND2005-3819. Albuquerque, NM: Sandia National Laboratories.
  • Clark, R., El-Osery, Wedeward, K., & Bruder, S. (2004). “A Navigation and Obstacle Avoidance Algorithm for Mobile Robots Operating in Unknown, Maze-Type Environments.” Proceedings of the 10th International Test and Evaluation Association Workshop on Modeling and Simulation, 13-16 December, Las Cruces, NM.
  • Van Leeuwen, Brian P., Oppel, Fred III, & Hart, Brian. (2004). “High Level Architecture (HLA) Federation with Umbra and OPNET Federates.” Sandia Report SAND2004-0885. Albuquerque, NM: Sandia National Laboratories.
  • Van Leeuwen, Brian, Hart, Brian, Michalski, John, & Oppel, Fred III. (2003). “Select Communication Network Modeling & Simulation Experiments for the Future Combat System.” FIST-NCA-U-002-FY03. Also available as Sandia Report SAND2004-0589P. Albuquerque, NM: Sandia National Laboratories.
  • Gottlieb, Eric, Michael McDonald, Fred Oppel, J. Brian Rigdon, Patrick Xavier. (2002). "The Umbra Simulation Framework as Applied to Building HLA Federates." Proceedings of the 2002 Winter Simulation Conference.
  • Schoenwald, D., Xavier, P., Thomas, E., Forsythe, C, & Parker, E. (2002). “Simulation of a Cognitive Algorithm for a Distributed Robotic Sensing Network.” Proceedings of the 9th International Symposium on Robotics and Applications, June, Orlando, FL.
  • Gottlieb, Eric, McDonald, Michael J., Oppel, Fred J., Rigdon, J. Brian, & Xavier, Patrick G. (2002). “The Umbra Simulation Framework as Applied to Building HLA Federates.” Proceedings of the 2002 Winter Simulation Conference (WSC’02), Vol. 1, 8-11 December, San Diego, CA, 981-989.
  • Gottlieb, Eric, McDonald, Michael, & Oppel, Fred. (2002). “Umbra’s High Level Architecture (HLA) Interface.” Sandia Report SAND2002-0675. Albuquerque, NM: Sandia National Laboratories.
  • Gottlieb, Eric, Harrigan, Raymond, McDonald, Michael, Oppel, Fred, & Xavier, Patrick. (2001). “The Umbra Simulation Framework.” Sandia Report SAND2001-1533. Albuquerque, NM: Sandia National Laboratories.
  • Small, Daniel E., Gottlieb, Eric J., Edlund, Kim, & Slutter, Clara. (2000). “A Design Patterns Analysis of the Umbra Simulation Framework.” Sandia

Cognitive Systems

  • Djordevich, Donna, Xavier, Patrick, Bernard, Michael, Whetzel, Jonathan, Glickman, Matthew, & Verzi, Stephen. (2008). “Preparing for the Aftermath: Using Emotional Agents in Game-Based Training for Disaster Response.” IEEE Symposium on Computational Intelligence and Games (CIG’08), 15-18 December, Perth, Australia, #8019.
  • Bernard, Michael L., Glickman, Matthew, Hart, Derek, Xavier, Patrick, Verzi, Stephen, & Wolfenbarger, Paul. (2007). “Simulating Human Behavior for National Security Human Interactions.” Sandia Report SAND2006-7812. Albuquerque, NM: Sandia National Laboratories.
  • Forsythe, C., & Xavier, P. G. (2005). “Cognitive Models to Cognitive Systems.” In Forsythe, C., Bernard, M., & Goldsmith, T., eds., Cognitive Systems: Human Cognitive Models in Systems Design (Hillsdale, NJ: Lawrence Erlbaum Associates), 3-33.
  • Forsythe, Chris, Bernard, Michael, Xavier, Patrick, Abbott, Robert, Speed, Ann, & Brannon, Nathan. (2003). “Using Psychologically Plausible Operator Cognitive Models to Enhance Operator Performance.” Proceedings of the Human Factors and Ergonomics Society 47th Annual Meeting, 10-17 October, Denver, CO, 302-306.
  • Forsythe, Chris, & Xavier, Patrick. (2002). “Human Emulation: Progress Toward Realistic Synthetic Human Agents.” Proceedings of the 11th Conference on Computer-Generated Forces and Behavior Representation, 7-9 May, Orlando, FL, 257-266.

Complex Systems

  • Cloutier, Robert J., De Spain, Mark J., Linebarger, John M., and Spencer, Floyd W. (2009). “Agile Development of Tractable Analyses and Simulations of Complex Systems.” Proceedings of the 19th International INCOSE International Symposium (INCOSE 2009), 20-23 July, Singapore.
  • Linebarger, John M., De Spain, Mark J., McDonald, Michael J., Spencer, Floyd W., & Cloutier, Robert J. (2009). “The Design for Tractable Analysis (DTA) Framework: A Methodology for the Analysis and Simulation of Complex Systems.” International Journal of Decision Support Systems Technologies 1.2 (April-June), 69-91.
  • Lim, M., Braha, D., Wijesinghe, S., Tucker, S., & Bar-Yam, Y. (2007). “Preferential Detachment in Broadcast Signaling Networks: Connectivity and Cost Trade-off.” Europhysics Letters 79, 58005.
  • Lim, May, Braha, Dan, Wijesinghe, Sanith, Tucker, Stephenson, & Bar-Yam, Yaneer. (2005). “Connectivity and Cost Trade-offs in Multihop Wireless Networks.” Published on-line, and presented at the 2006 American Physical Society March Meeting, 13-17 March, Baltimore, MD.

Computational Geometry

  • Xavier, Patrick G. (2002). “Implicit Convex-Hull Distance of Finite-Screw-Swept Volumes.” Proceedings of the 2002 IEEE International Conference on Robotics and Automation, Vol. 1, 10-17 May, Washington, DC, 847-854.
  • Xavier, Patrick G. (1997). “Fast Swept-Volume Distance for Robust Collision Detection.” Proceedings of the 1997 IEEE International Conference on Robotics and Automation, Vol. 2, 20-25 April, Albuquerque, NM, 1162-1169.
  • Xavier, Patrick G. (1996). “A Generic Algorithm for Constructing Hierarchical Representations of Geometric Objects.” Proceedings of the 1996 IEEE International Conference on Robotics and Automation, Vol. 4, 22-28 April, Minneapolis, MN, 3644-3651.