Taeyoung Lee
Curriculum Vitae, Research Statement, Teaching Statement, taeyoung@fit.edu

Education

Ph. D.	Department of Aerospace Engineering	University of Michigan	Sep 2004-Aug 2008
	Thesis: Computational Geometric Mechanics and Control of Rigid Bodies [Order a bound copy]
	Advisor: N. Harris McClamroch, Melvin Leok
	Committee: Daniel Scheeres, Anthony Bloch, Jessy Grizzle
M.S.	Department of Mathematics	University of Michigan	Sep 2007-Apr 2008
M.S.	Department of Aerospace Engineering	Seoul National University	1998-2000
	Thesis: Nonlinear Adaptive and Robust Flight Control Using the Backstepping Algorithm (in Korean)
	Commitee: Youdan Kim (Advisor), Younghyup Kim, Changdon Kee
B.S.	Department of Aerospace Engineering	Seoul National University	1994-1998
	Thesis: F-16 Nonliner Simulator Development using OpenGL (in Korean)
	Commitee: Youdan Kim (Advisor)

Professional Experience

Assistant Professor	Department of Mechanical and Aerospace Engineering Florida Institute of Technology	Aug 2008-present
Visiting Scholar	Department of Aerospace Engineering University of Michigan	May 2009-Jun 2009
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

Research Grants

NSF CMMI Dynamic Systems #1029551 (PI)	2010-2013
Computational Geometric Uncertainty Propagation for Hamiltonian Systems on a Lie Group ($149977)
Faculty Professional Development Grant, Florida Institute of Technology (PI)	2010
Development of an Autonomous Quadrotor UAV for Educational Research
Federal Aviation Administration (co-I)	2010
FAA Center of Excellence for Commercial Space Transportation
Director's Research and Development Fund, JPL, NASA (co-PI: under second round review)	2011-2012
Development of High-Fidelity Geometric Numerical Integration Techniques for Tethered Spacecraft Missions

Honors & Awards

Best Student Course Evaluation, Mechanical and Aerospace Engineering, Florida Institute of Technology	2010
Distinguished Dissertation Award, honorable mention, College of Engineering, University of Michigan	2009
Distinguished Achievement Award, 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

1. T. Lee, M. Leok, and N. H. McClamroch, "Geometric numerical integration for complex dynamics of tethered spacecraft," in Proceedings of the American Control Conference, 2011, accepted. Available:arXiv:1010.1724. Animation: Fig 2(a) Fig 3(a) Fig 4(a)
   


2. T. Lee, M. Leok, and N. H. McClamroch, "Computational Dynamics of a 3D Elastic String Pendulum Attached to a Rigid Body and an Inertially Fixed Reel Mechanism," Nonlinear Dynamics, 2010, accepted. Available:arXiv:0909.2083. Animation: Fig 2, Fig 3, Fig 4
   


3. N. Chaturvedi, T. Lee, M. Leok, and N. H. McClamroch, "Nonlinear Dynamics of the 3D Pendulum," Journal of Nonlinear Science, 2010, accepted. Available:arXiv:0707.1196.
   


4. T. Lee, M. Leok, and N. H. McClamroch, "Lagrangian Mechanics and Variational Integrators on Two-Spheres," International Journal for Numerical Methods in Engineering, vol. 79, 2009, pp. 1147-1174, Available:arXiv:0707.0022. Animation: Fig3.1 Fig3.2 Fig3.3 Fig3.4 Fig3.5 Fig3.6 Fig3.7
   


5. T. Lee, M. Leok, and N. H. McClamroch, "Dynamics of a 3D Elastic String Pendulum," in Proceedings of the IEEE Conference on Decision and Control, 2009, pp. 3347-3352, Available:arXiv:0903.0332. Animation: Fig 2
   


6. 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, pp. 408-413, Available:arXiv:0809.1488. Animation: Fig 1
   


7. 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
   


8. 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
   


9. 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.
   


10. 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 Control and Optimization

1. T. Lee, M. Leok, and N. H. McClamroch, "Control of Complex Maneuvers for a Quadrotor UAV using Geometric Methods on SE(3)," IEEE Transactions on Automatic Control, 2010, submitted. Available:arXiv:1003.2005. Animation: Fig 5 Fig 6
   


2. T. Lee, "Geometric Tracking Control of the Attitude Dynamics of a Rigid Body on SO(3)," in Proceedings of the American Control Conference, 2011, accepted. Available:arXiv:1010.1725.
   


3. T. Lee, M. Leok, and N. H. McClamroch, "Geometric Tracking Control of a Quadrotor Aerial Vehicle on SE(3)," in Proceedings of the IEEE Conference on Decision and Control, 2010, pp. 5420-5425. Available:arXiv:1003.2005. Animation: Fig 3, Fig 4
   


4. T. Lee, M. Leok, and N. H. McClamroch, "Computational Geometric Optimal Control of Connected Rigid Bodies in a Perfect Fluid," in Proceedings of the American Control Conference, 2010, accepted. Available:arXiv:0909.3871. Animation: Fig 2, Fig 3
   


5. T. Lee, M. Leok, and N. H. McClamroch, "Discrete Control Systems," Invited article for the Springer Encyclopedia of Complexity and System Science, Springer, 2002-2010, 2009. Available:arXiv:0705.3868
   


6. T. Lee, M. Leok, and N. H. McClamroch, "Computational Geometric Optimal Control of Rigid Bodies," Communications in Information and Systems, special issue dedicated to R. W. Brockett, vol. 8, no. 4, 2008, pp. 445-472.
   


7. 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)
   


8. 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)
   


9. 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
   


10. 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)
    


11. 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)
    


12. 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

1. T. Lee, and M. Leok,, "Computational Geometric Uncertainty Propagation for Hamiltonian Systems on a Lie Group," in Proceedings of the NSF CMMI Research and Innovation Conference, 2011.
   


2. 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, pp. 61--66, Available:arXiv:math.DS/0803.1515.
   


3. 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.
   


4. 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.
   


5. 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.
   


6. 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

1. 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.
   


2. 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.(*)
   


3. 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.
   


4. 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.(*)
   


5. 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.
   


6. 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.(*)
   


7. 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	MAE5690: Special Topic: Spacecraft Dynamics and Control MAE5690: Special Topic: Nonlinear Systems MAE4600: Engineering Astrodynamics MAE4242: Aircraft Stability and Control MAE4014: Control Systems MAE2082: Dynamics Department of Mechanical and Aerospace Engineering, Florida Institute of Technology	Spring 2011 Fall 2010 Fall 2009 Fall 2008-2010 Spring 2009-2011 Spring 2010
Instructor	Introduction to Control System Engineering, Engineering Summer Camp for K-12 Student, Florida Institute of Technology	Summer 2010
Instructor	Part-time (50%) Lecturing on AE740: Analytical and Computational Dynamics, Department of Aerospace Engineering, University of Michigan	Fall 2007

Invited Talks

Discrete Geometric Mechanics Young Researchers Workshop on Geometry, Mechanics and Control, University of La Laguna, Spain	Dec 2010
Lie Group Variational Integrator for Dynamics and Control of Multibody Systems Structured Integrators Workshop, University of California, San Diego	Apr 2010
Computational Geometric Mechanics and Control of Rigid Bodies Florida Institute of Technology, Melbourne, Florida	Feb 2008
Computational Geometric Mechanics, Control, and Estimation of Rigid Bodies on Lie Groups SIAM Conference on Computational Science and Engineering, Costa Mesa, California	Feb 2007
Optimal Control of a Rigid Body using Geometrically Exact Computations on Lie Groups Flight Dynamics and Control Student Seminar, University of Michigan	Oct 2006
Attitude Maneuvers of a Rigid Spacecraft in a Circular Orbit Flight Dynamics and Control Student Seminar, University of Michigan	Nov 2005
Lie Group Variational Integrator for the Attitude dynamics of a Rigid body Flight Dynamics and Control Student Seminar, University of Michigan	Feb 2005

Symposium and Conference Session Organization

Geometric Control on Nonlinear Manifolds Invited Session at IEEE Conference on Decision and Control, Atlanta	Dec 2010
Synergies and Interplay of Nonlinear Dynamics and Control Symposium honor of Dr. Harris McClamroch, University of Michigan "Harris Fest [Conference Report]," IEEE Control System Magazine, vol. 30, no. 5, pp. 81-83, 2010. doi:10.1109/MCS.2010.937816	May 2010

Professional Service & Memberships

Reviewer: National Science Foundation (NSF), AIAA Journal of Guidance, Control, and Dynamics, IEEE Transactions on Control Systems Technology, IEEE Transactions on Neural Networks, International Journal of Robust and Nonlinear Control, International Journal of Control, International Journal of Adaptive Control and Signal Processing, Control Engineering Practice, Aerospace Science & Technology, International Journal of Aerospace Engineering, Computer Physics Communications, Celestial Mechanics and Dynamical Astronomy, Acta Astronautica, IEEE Conference on Decision and Control, IEEE Multi-conference on Systems and Control, American Control Conference, AIAA Guidance, Navigation and Control Conference

Assessment Cooridnator: University coordinator for Southern Association of Colleges and Schools (SACS) accreditation

Memberships: IEEE Associate Member, AIAA associate Member, SIAM Member