Research Interests




 

    1. Teleoperators and Haptic Interfaces
       - An introduction to my doctoral study: Control and geometry of mechanical teleoperaotors (pdf)
           - Movie of 4-DOF nonlinear teleoperator with guidance and avoidance (MPEG1 for Window Media Player)
                Low Resolution 11Mb, Mid Resolution 35Mb, High Resolution 75Mb
      - Applications : Telesurgery systems, Micro remote-assembly, Space-exploration systems, Virtual surgical simulators
     2. Distributed Multiple Mechanical Systems
         - Formation flying for interferometry, Coordination and cooperative manipulation by multiple mobile robots
          - Movie of formation flying of three satellites, each has 6-DOF rigid-body dynamics with full (6-DOF) actuations.
                Cam Angle 1 (AVI, 7Mb), Cam Angle 2 (AVI, 7Mb)
                (generated using Matlab renderer developed by B. Land at Cornell University)
     3. Control Problems of Human-Interactive Robots
      - Surgeon-assistive robots, Rehabilitational robotic sytsems, Haptic information display,
            Human-robots interaction in assembly lines, Robotic aids for people with disabilities, Exoskeletal systems
     4. Automotive Engine Control

Journal Publications
     1) D. J. Lee & P. Y. Li, "Passive Feedforward Control for Linear Dynamically Similar Bilateral Teleoperated Manipulators",
                IEEE Trans. on Robotics and Automation (In press, June, 2003, pdf)
     2) D. J. Lee & P. Y. Li, "Passive Bilateral Control of Nonlinear Mechanical Teleoperators",
                IEEE Trans. on Robotics and Automation (Submitted, pdf)

Conference Publications
   1) D. J. Lee & P. Y. Li, "Formation and Manuever Control of Multiple Spacecrafts", ACC 2003, Denver, CO (pdf)
    2) D. J. Lee & P. Y. Li, "Toward Robust Passivity: A Passive Control Implemetation Structure for Mechanical Teleoperators",
                2003 11th Haptics and Teleoperator Symposium, IEEE VR 2003, LA, CA (pdf).
    3) D. J. Lee & P. Y. Li, "Passive Coordination Control for Nonlinear Bilateral Teleoperated Manipulators",
                ICRA2002, Washington D.C.(pdf)
    4) D. J. Lee & P. Y. Li, "Passive Tool Dynamics Rendering for Nonlinear Bilateral Teleoperated Manipulators",
                ICRA2002, Washington D.C.(pdf)
    5) D. J. Lee & P. Y. Li, "Passive Control Approaches to Bilateral Teleoperated Manipulators: Robust Control and Experiments",
                ACC2001, Washington D.C. (pdf)
    6) P. Y. Li & D. J. Lee "Passive Feedforward Approach to Bilateral Teleoperated Manipulators",
                Haptic and Teleoperator Symposium, IMECE, ASME, 2000, Orlando, FL (pdf)
 


                                                        Last updated on 14th May. 2001 by Dongjun Lee.