“A pig who doesn’t fly is just an ordinary pig,”
- Porco Rosso in "Crimson Pig(1992)" by Hayao Miyazaki -
Hyungjoo "Drake" Yoon, Ph.D.
AOCS Principal Researcher
Satellite Control System Department
Korea Aerospace Research Institute (KARI)
(Office) +82-42-870-3711 (Fax) +82-42-860-2898
Email : drake"dot"yoon "at" gmail"dot"com
Spacecraft attitude and orbit control (CMG/VSCMG/RW, Autonomous rendezvous & docking)
Adaptive optics and laser beam jitter control (Adaptive filtering techniques)
Adaptive control of uncertain nonlinear MIMO systems
Robust control of flexible large structures
High-precision thermal control in semiconductor/LCD fabrication
Georgia Institute of Technology --- Atlanta, GA, USA
- Ph.D. in Aerospace Engineering (2004)
Korea Advanced Institute of Science and Technology (KAIST) --- Daejeon, Korea
- M.S. & B.S in Aerospace Engineering (1996/1994)
Korea Aerospace Research Institute, Daejeon, Korea (2010~present)
- Senior Researcher, Satellite Control System Department
U.S. Naval Postgraduate School, Monterey, CA, USA (2007~2010)
- NRC Research Associate, Spacecraft Research and Design Center
- Sponsored by the National Research Council (U.S.)
Samsung Electronics, Suwon, Korea (2004~2007)
- Sr. Engineer, Mechatronics R&D Center
Korea Air Force Academy, Korea (1996~1999)
- Full-time Lecturer, Dept. of Aerospace Engineering
“Spacecraft Attitude and Power Control Using Variable Speed Control Moment Gyros”
- Ph.D. Thesis (Advisor : Prof. Panagiotis Tsiotras), (pdf)
“Satellite Attitude Control Using Quaternion Parameters”
- M.S. Thesis (Advisor: Prof. Min-Jea Tahk)
Journal Publications (International Only)
Yoon, H. and Tsiotras, P., “Spacecraft Adaptive Attitude and Power Tracking with Variable Speed Control Moment Gyroscopes”, AIAA Journal of Guidance, Control, and Dynamics, Vol. 25, No. 6, pp. 1081-1090, 2002
Yoon, H. and Tsiotras, P., “Singularity Analysis of Variable Speed Control Moment Gyros", AIAA Journal of Guidance, Control, and Dynamics, Vol. 27, No. 3, pp. 374-386, 2004
Yoon, H. and Tsiotras, P., “Spacecraft Line-of-Sight Control Using a Single Variable-Speed Control Moment Gyro”, AIAA Journal of Guidance, Control, and Dynamics, Vol. 29, No. 6, pp. 1295-1308, 2006
Yoon, H. and Tsiotras, P., “Adaptive Spacecraft Attitude Tracking Control with Actuator Uncertainties”, Journal of the Astronautical Sciences, Vol. 56, Issue 2, pp. 251-268, April-June, 2008.
Yoon, H. and Agrawal, B.N., "Novel Expressions of Equations of Relative Motion and Control in Keplerian Orbits", AIAA Journal of Guidance, Control, and Dynamics, Vol. 32, No. 2, pp. 664-669, 2009.
Yoon, H. and Agrawal, B.N., "Adaptive Control of Uncertain Hamiltonian Multi-Input Multi-Output Systems : With Application to Spacecraft Control", IEEE Transactions on Control Systems Technology, Vol. 17, No. 4, pp.900-906, 2009.
Yoon, H., Bateman, B.E., and Agrawal, B.N., "Laser Beam Jitter Control Using Recursive-Least-Square Adaptive Filters", ASME Journal of Dynamic Systems, Measurement and Control, Vol. 133, Issue 4, 041001, July 2011.
Park, S., Song, J.W., Lee, B., Yoon, H., Lee, Y.J., and Sung, S., "Autonomous Oscillation Control Loop Design for Amplitude Controlled, Frequency Read-Out-Type Resonant Sensors", IEEE Transactions on Mechatronics, Vol. 17, No. 6, pp. 1009-1020, Dec. 2012.
Beerer, M.J., Yoon, H. (corr. author), and Agrawal, B.N., "Practical adaptive filter controls for precision beam pointing and tracking with jitter attenuation", Control Engineering Practice, Vol. 21, Issue 1, pp. 122–133, Jan. 2013.
Yoon, H., et al, "Absolute Misalignment Estimation with Respect to a Scanning Image Sensor", Remote Sensing Letters, Vol. 4, No. 8, pp.754-763, May 2013
Yoon, H., Eun, Y., and Park, C., "Adaptive Tracking Control of Spacecraft Relative Motion with Mass and Thruster Uncertainties", Aerospace Science and Technology, Vol.34, pp.75-83, April 2014
Yoon, H., Seo, H.H., and Choi, H.T., "Optimal Uses of Reaction Wheels in the Pyramid Configuration Using a New Minimum Infinity-Norm Solution", Aerospace Science and Technology, Vol.39. pp. 109-119, Sept. 2014 (pdf)
Kim, D-K., Yoon, H., Kang, W.W., Kim, Y.B., Choi, H.T., "Development of a Spherical Reaction Wheel Actuator using Electromagnetic Induction", Aerospace Science and Technology, Vol.39. pp. 86-94, Sept. 2014 (pdf)
Yoon, H., Hwang, J-Y., and Park, C., "A New Minimum Infinity-Norm Solution: with Application to Spacecraft Attitude Controls", will be submitted soon for journal publication.
This web page is always under construction. (Last Update : Aug. 2020)