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Unsik Lee

  • MS, Aeronautics and Astronautics , University of Washington, 2008
  • Ph.D. Candidate, Aeronautics and Astronautics , University of Washington

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Research Interests:

  • Spacecraft Attitude Control
  • Network Dynamic Systems
  • Nonlinear Dynamics and Controls
  • Robotics
  • Optimization

Publications

  • Unsik Lee and Mehran Mesbahi, "Dual Quaternion based Optimal powered Descent Guidance Control", Journal of Guidance, Control, and Dynamics(in preparation).
  • Unsik Lee and Mehran Mesbahi, "Spacecraft Attitude and position synchronization with pointing constraints", Journal of Guidance , Control and Dynamics(in preparation)
  • Unsik Lee and Ran Dai, Mehran Mesbahi, "Feasibility check and Realization of orientation and position governed network.(in preparation)
  • Unsik Lee and Mehran Mesbahi, "Optimal Spacecraft Reorientation under complex attitude constrained zones", AAS/AIAA Astrodynamics Specialist Conference, 2013.(in preparation)
  • Unsik Lee and Mehran Mesbahi, "Spacecraft Reorientation under Attitude Constraints via Convex Logarithmic Barrier Potentials", IEEE Transactions on Aerospace and Electronic Systems, 2013.
  • Unsik Lee and Mehran Mesbahi, "Dual quaternions, Rigid Body Mechanics, and Powered-Descent Guidance", 51th IEEE Conference on Decision and Control, 2012.
  • Ran Dai, Unsik Lee, Saghar Hosseini and Mehran Mesbahi, "Optimal Sun Path Planning for Solar-Powered UAVs based on Unit Quaternions", 51th IEEE Conference on Decision and Control, 2013.
  • Unsik Lee and Mehran Mesbahi, "Spacecraft Attitude Synchronization in presence of Constrained zones" In Proc. of the IEEE American Control Conference, 2012
  • Unsik Lee and Mehran Mesbahi, "Constrained Consensus via Log Barrier function", 50th IEEE Conference on Decision and Control and European Control Conference, 2011.
  • Ran Dai, Unsik Lee and Mehran Mesbahi, "Distributed Orbit Determination via Estimation Consensus", AS/AIAA Flight Mechanics Conference, 2011.
  • Unsik Lee and Mehran Mesbahi, "Spacecraft Reorientation in Presence of Attitude Constraints via Logarithmic Barrier Potentials", In Proc. of the IEEE American Control Conference, 2011.