Education
Professional Experience
| Assistant Professor |
Department of Mechanical and Aerospace Engineering
Florida Institute of Technology |
Aug 2008- |
| |
| Postdoctoral Scholar |
Department of Aerospace Engineering
University of Michigan |
May 2008-Jul 2008 |
| |
| Military Service |
Second lieutenant, Tactical Control Officer The 3rd Air Defense Artillery Division, Republic of Korea Air Force
|
2001-2004 |
Honors & Awards
| Distinguished Achievement Award, College of Engineering, University of Michigan |
2008 |
| Ivor K. McIvor Award, College of Engineering, University of Michigan (outstanding research in applied mechanics) |
2008 |
| SIAM Conference on Computational Science & Engineering, BGCE Student Paper Prize, finalist |
2007 |
| Rackham Predoctoral Fellowship, Horace H. Rackham School of Graduate Studies, University of Michigan |
2006-2007 |
| Rackham International Students Fellowship, Horace H. Rackham School of Graduate Studies, University of Michigan |
2006 |
| Rackham Travel Grant, Horace H. Rackham School of Graduate Studies, University of Michigan |
Feb. 2006, Aug. 2006 |
| International Scholarship, Ministry of Education & Human Resources Development, Korea |
2004 |
Publications
Computational Geometric Mechanics
- T. Lee, M. Leok, and N. H. McClamroch,
"Dynamics of Connected Rigid Bodies in a Perfect Fluid,"
in Proceedings of the American Control Conference, 2009, submittted, Available:arXiv:0809.1488.
Animation: Fig 1,
- T. Lee, M. Leok, and N. H. McClamroch,
"Lagrangian Mechanics and Variational Integrators on Two-Spheres,"
International Journal for Numerical Methods in Engineering, 2008, submitted, Available:arXiv:0707.0022.
Animation: Fig3.1
Fig3.2
Fig3.3
Fig3.4
Fig3.5
Fig3.6
Fig3.7
- N. Chaturvedi, T. Lee, M. Leok, and N. H. McClamroch,
"Nonlinear Dynamics of the 3D Pendulum,"
Journal of Nonlinear Science, 2008, submitted.
- T. Lee, M. Leok, and N. H. McClamroch,
"Lie Group Variational Integrators for the Full Body Problem in Orbital Mechanics," Celestial Mechanics and Dynamical Astronomy, vol. 98, no. 2, pp. 121-144, 2007, doi:10.1007/s10569-007-9073-x, Animation: Fig2
- T. Lee, M. Leok, and N. H. McClamroch,
"Lie Group Variational Integrators for the Full Body Problem," Computer Methods in Applied Mechanics and Engineering, vol. 196, pp. 2907-2924, 2007, doi:10.1016/j.cma.2007.01.017, Available:arXiv:math.NA/0508365. Animation: Fig4
- E. Fahnestock, T. Lee, M. Leok, N. H. McClamroch, and D. Scheeres,
"Polyhedral Potential and Lie Group Variational Integrator Computations for the Full Two Body Problem,"
in Proceedings of AIAA/AAS Astrodynamics Specialist
Conference and Exhibit, 2006, Available:arXiv:math.NA/0608695.
- T. Lee, M. Leok, and N. H. McClamroch,
"A Lie Group Variational Integrator for the Attitude Dynamics of a Rigid Body with Application to the 3D Pendulum,"
in Proceedings of the IEEE Conference on Control Application,
Toronto, Canada, Aug 2005, pp. 962-967.
Animation: Chaotic Motion
Computational Geometric Optimal Control
- T. Lee, M. Leok, and N. H. McClamroch,
"Time Optimal Attitude Control for a Rigid Body,"
in Proceedings of the American Control Conference, 2008, pp. 5210-5215, Available:arXiv:0709.2514.
Animation: Fig1(a),
Fig2(a)
- T. Lee, M. Leok, and N. H. McClamroch,
"Geometric Optimal Control of Rigid Bodies,"
Communications in
Information and Systems, special issue dedicated to R. W. Brockett, 2007, submitted.
- T. Lee, M. Leok, and N. H. McClamroch,
"Optimal Attitude Control of a Rigid Body using Geometrically Exact Computations on SO(3),"
Journal of Dynamical and Control Systems, vol. 14, no. 4, pp. 465-487, 2008, Available:arXiv:math.OC/06014243.
Animation: Fig2(a),
Fig3(a),
Fig4(a),
Fig5(a)
- T. Lee, M. Leok, and N. H. McClamroch,
"Discrete Control Systems,"
Invited article for the Springer Encyclopedia of Complexity and System Science, 2007, Available:arXiv:0705.3868
- T. Lee, M. Leok, and N. H. McClamroch,
"A Combinatorial Optimal Control
Problem for Spacecraft Formation Reconfiguration,"
in Proceedings of the IEEE Conference
on Decision and Control, 2007, pp. 5370-5375, Available:arXiv:math.OC/0702738.
Animation: Fig2
- T. Lee, M. Leok, and N. H. McClamroch,
"Optimal Attitude Control for a Rigid Body with Symmetry,"
in Proceedings of the American Control Conference, 2007, pp. 1073-1078, Available:arXiv:math.OC/0609482.
Animation: Fig2(a),
Fig3(a),
Fig4(a),
Fig5(a)
- T. Lee, M. Leok, and N. H. McClamroch,
"Optimal Control of a Rigid Body using Geometrically Exact Computations on SE(3),"
in Proceedings of the IEEE Conference on Decision and Control, San Diego, California, Dec 2006, pp. 2170--2175, Available:arXiv:math.OC/0602588.
Animation: Fig1(a),
Fig2(a),
Fig3(a),
Fig4(a)
- T. Lee, M. Leok, and N. H. McClamroch,
"Attitude Maneuvers of a Rigid Spacecraft in a Circular Orbit,"
in Proceedings of the American Control Conference, Minneapolis, Minnesota, Jun 2006,
pp. 1742-1747, Available:arXiv:math.NA/0509299.
Animation: Fig2(a), Fig2(b), Fig2(c), Fig3(a)
Estimation/Uncertainty Propagation
- T. Lee, M. Leok, and N. H. McClamroch,
"Global Symplectic Uncertainty Propagation on SO(3),"
in Proceedings of the IEEE Conference
on Decision and Control, 2008, accepted, Available:arXiv:math.DS/0803.1515.
- A. Sanyal, T. Lee, M. Leok, and N. H. McClamroch,
"Global Optimal Attitude Estimation using Uncertainty Ellipsoids,"
Systems & Control Letters, vol. 57, no. 3, pp. 236-245, 2008, doi:10.1016/j.sysconle.2007.08.014, Available:arXiv:math.OC/0606083.
- T. Lee, A. Sanyal, M. Leok, N. H. McClamroch, and A. Sanyal,
"Propagation of Uncertainty
in Rigid Body Attitude Flows,"
in Proceedings of the IEEE Conference
on Decision and Control, 2007, pp. 2689-2694, Available:arXiv:math.DS/0702737.
- T. Lee, M. Leok, N. H. McClamroch, and A. Sanyal,
"Global Attitude Estimation with Single Direction Measurements,"
in Proceedings of the American Control Conference, 2007, pp. 3659-3664, Available:arXiv:math.OC/0609481.
- T. Lee, A. Sanyal, M. Leok, and N. H. McClamroch,
"Deterministic Global Attitude Estimation,"
in Proceedings of the IEEE Conference on Decision and Control, San Diego, California, Dec 2006, pp. 3174--3179, Available:arXiv:math.OC/0602589.
Nonlinear Flight Control
- T. Lee and Y. Kim,
"Nonlinear Adaptive Flight Control using Backstepping
and Neural Networks Controller,"
Journal of Guidance, Control, and Dynamics,
vol. 24, no. 4, p. 675-682, 2001.
- T. Lee and Y. Kim,
"Nonlinear Adaptive Flight Control using Neural Networks
and Backstepping,"
Korean Journal of Control, Automation and Systems Engineering,
vol. 6, no. 12, pp. 1070-1078, 2000.(*)
- T. Lee, Y. Kim, and D. Kim,
"Stability Analysis of Nonlinear Flight Control
using Neural Networks,"
in Proceedings of the 3rd Asian Control Conference,
Shanghai, China, July 2000.
- T. Lee and Y. Kim,
"Robust Nonlinear Control of Flight Dynamics using Backstepping Controller,"
in Proceedings of the Korean Society for Aeronautical and Space Sciences Fall Conference, Kyoungki, Korea, Nov. 1999.(*)
- J. Ahn, T. Lee, and Y. Kim,
"Real-time Missile Trajectory Optimization using Parameter Optimization,"
in Proceedings of the Japan Society for Aeronautical and Space Sciences (JSASS) 13th International Sessions in 37th Aircraft Symposium,
Tokyo, Japan, Oct. 1999.
- T. Lee and Y. Kim,
"Nonlinear Adaptive Control of Flight Dynamics using Backstepping
and Neural Networks Controller,"
in Proceedings of the Korean Institute of Control,
Automation, and System Engineering 5th Conference,
Yongin, Korea, Oct.
1999.(*)
- J. Ahn, T. Lee, and Y. Kim,
"Real Time Formulation of Missile Trajectory
Optimization using a Parameter Optimization Technique,"
Journal of Korean Society for Aeronautical and Space Sciences,
vol. 27, no. 4, pp. 94-103,
1999.(*)
(*) Korean domestic Journal or Conference
Teaching/Research Assistant
| Instructor |
MAE4242: Aircraft Stability and Control
MAE4014: Control Systems
Department of Mechanical and Aerospace Engineering, Florida Institute of Technology
|
Fall 2008 Spring 2009 |
| Instructor |
Part-time (50%) Lecturing on AE740: Analytical and Computational Dynamics, Department of Aerospace Engineering, University of Michigan
|
Fall 2007 |
| Research Assistant |
Computational Geometric Methods for the Control of Clusters of Rigid Bodies Margaret and Herman Sokol Research Grant, Department of Mathematics, University of Michigan
|
2006 |
| Research Assistant |
Computational Geometric Mechanics Department of Mathematics, University of Michigan
|
2005 |
| Teaching Assistant |
Course note development for AE245, Steady Aircraft Flight and Aircraft Performance Department of Aerospace Engineering, University of Michigan
|
2005 |
| Research Assistant |
Medium Range Missile Trajectory Optimization Agency for Defense Development, Korea
|
1998-2000 |
| Research Assistant |
Institute of Advanced Machinery and Design Seoul National University, Korea
|
1998 |
Invited Conference & Seminar Talks
Professional Service & Memberships
| Reviewer: International Journal of Control, International Journal of Adaptive Control and Signal Processing, Control Engineering Practice,
IEEE Conference on Decision and Control 2006, 2008, IEEE Multi-conference on Systems and Control 2007, American
Control Conference 2008, 2009, AIAA Guidance, Navigation and Control Conference 2008 |
| Memberships: IEEE Member, SIAM Member
|