Major 

Control Systems
 
 
 Research Interests

Guidance, navigation, and control for underwater vehicles, missiles, space vehicles, and advanced safety vehicles
Eigenstructure assignment theory for LTI/LTV systems
Multi-target tracking filter analysis and design
  
 
 Education 

Ph.D., Seoul National University, Korea, 1995
 
 
 Selected Publications 
  1. Choi, J. W., Lee, J. G., Kim, Y., and Kang, T., “Design of an Effective Controller via Disturbance Accommodating Left Eigenstructure Assignment,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 18, No. 2, March-April 1995, pp. 347-354.
2. Siouris, G. M., Lee, J. G., and Choi, J. W., “Design of a Modern Pitch Pointing Control System,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 31, No. 2, April 1995, pp. 730-738.
3. Choi, J. W., “Comment on “A New Approach to Robust Fault Detection and Identification”,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 32, No. 3, July 1996, pp. 1137-1138.
4. Choi, J. W., Lee, J. G., Suzuki, H., and Suzuki, T., “Comments on “Matrix Method for Eigenstructure Assignment: The Multi-Input Case with Application”,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 19, No. 4, July-August 1996, pp. 983.
5. Choi, J. W., “A Simultaneous Assignment Methodology of Right/Left Eigenstructures,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 34, No. 2, April 1998, pp. 625-634.
6. Choi, J. W., “Left Eigenstructure Assignment via Sylvester Equation,” KSME International Journal, Vol. 12, No. 6, December 1998, pp. 1034-1040.
7. Yoon, Y. J., Choi, J. W., Lee, J. G., and Fang, T. H., “An Attitude Determination Algorithm for a Spacecraft Using Nonlinear Filter,” KSME International Journal, Vol. 13, No. 2, February 1999, pp. 130-143.
8. Choi, J. W., and Yoon, Y. J., “An Attitude Stability Accommodating Guidance Technique for a Launch Vehicle,” KSME International Journal, Vol. 13, No. 4, April 1999, pp. 305-311.
9. Choi, J. W., and Seo, Y. B., “LQR Design with Eigenstructure Assignment Capability,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 35, No. 2, April 1999, pp. 700-708.
10. Choi, J. W., Lee, H. C., and Yoo, W.-S., “Eigenstructure Assignment by the Differential Sylvester Equation for Linear Time-Varying Systems,” KSME International Journal, Vol. 13, No. 9, September 1999, pp. 609-619.
11. Yoon, Y. J., Choi, J. W., Lee, J. G., and Fang, T. H., “Spacecraft Attitude Determination Using a Decoupling Filter,” KSME International Journal, Vol. 13, No. 10, October 1999, pp. 687-700.
12. Kim, K. B., Kim, M.-J. and Choi, J. W., “Modified Receding Horizon Guidance Law with Information on Small Accurate Time-to-Go,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 36, No. 2, April 2000, pp. 725-729.
13. Choi, J. W., Lee, S. B., Lee, D. Y., Park, U. S., and Suh, Y. S., “A Fault Isolation Filter Design Using a Left Eigenstructure Assignment Scheme,” KSME International Journal, Vol. 14, No. 6, June 2000, pp. 583-589.
14. Han, D. H., Sohn, J. H., Kim, K. S., Lee, J. N., Yoo, W.-S., Lee, B. H., and Choi, J. W., “Development and Comparative Study on Tire Models in the AutoDyn7 Program,” KSME International Journal, Vol. 14, No. 7, July 2000, pp. 730-736.
15. Choi, J. W., Lee, H. C., and Zhu, J. J., “Decoupling and Tracking Control Using Eigenstructure Assignment for Linear Time-Varying Systems,” International Journal of Control, Vol. 74, No. 5, March 2001, pp. 453-464.
16. Lee, S., Lee, S. H., Lee, K. C., Choi, J. W., and Lee, M. H., “Performance Management of Communication Networks for Computer Integrated Manufacturing,” International Journal of Advanced Manufacturing Technology, Vol. 18, No. 10, October 2001, pp. 764-770.
17. Han, S.-I., Kim, J. S., and Choi, J. W., “Robust Nonlinear Control for a Parallel Inverted Pendulum with Dry Friction,” JSME International Journal, Series C, Vol. 45, No. 1, January 2002, pp. 194-203.
18. Choi, J. W., and Park, U. S., “Spillover Suppression via Eigenstructure Assignment in Large Flexible Structures,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 25, No. 3, May-June 2002, pp. 599-602.
19. Kim, K. B., and Choi, J. W., “Game Optimal Receding Horizon Guidance Laws and Its Equivalence to Receding Horizon Guidance Laws,” KSME International Journal, Vol. 16, No. 6, June 2002, pp. 770-775.
20. Choi, J. W., Fang, T. H., and Kim, Y. H., “Remote-Controlled Vehicle Platooning via State Estimation in a Communication Network,” SAE Transactions- Journal of Passenger Cars-Electronic and Electrical Systems, October 2002.
21. Park, U. S., Choi, J. W., Yoo, W.-S., Lee, M. H., Son, K., Lee, J. M., Lee M. C., and Han, S. H., “Optimal Placement of Sensors and Actuators Using Measures of Modal Controllability and Observability in a Balanced Coordinate,” KSME International Journal, Vol. 17, No. 1, January 2003, pp. 11-22.
22. Choi, J. W., Fang, T. H., Kwong, S., and Y. H. Kim, “Remote-Controlled Platoon Merging via Coder-Estimator Sequence Algorithm for a Communication Network,” IEEE Transactions on Industrial Electronics, Vol. 50, No. 1, February 2003, pp. 30-36.
23. Seo, Y. B., and Choi, J. W., “Frequency Domain Properties of EALQR with Indefinite Weighting Matrix,” KSME International Journal, Vol. 17, No. 3, March 2003, pp. 329-335.
24. Choi, J. W., Yoo, W.-S., Lee, S., Im, K. H., and Choi, J. Y., “QFT Parameter-Scheduling Control Design for Linear Time-Varying Systems Based on RBF Networks,” KSME International Journal, Vol. 17, No. 4, April 2003, pp. 484-491.
25. Choi, J. W., Fang, T. H., and Song, T. L., “Interacting Multiple Model Filter with Error Monitoring and Recovery Technique of Perception Net,” IEE Proceedings-Radar, Sonar & Navigation, Vol. 150, No. 2, April 2003, pp. 58-64.
26. Lee, M. C., Lee, M. H., Son, K., Lee, J. M., Choi, J. W., Han, S. H., Lee, Y. J., and Choi, J. Y., “Implementation of real-time control of an assembly for the back cover of a camera,” Artificial Life and Robotics, Vol. 5, No. 1, May 2003, pp. 195-201.
27. Lee, M. C., Lee, J. M., Son, K., and Choi, J. W., “Localization of Mobile Robot Using the Image of a Moving Object,” IEEE Transactions on Industrial Electronics, Vol. 50, No. 3, June 2003.
28. Choi, J. W., Fang, T. H., Yoo, W.-S., and Lee, M. H., “Sensor Data Fusion Using Perception Net for a Precise Assembly Task,” IEEE/ASME Transactions on Mechatronics, Vol. 8, No. 4, December 2003, pp. 513-516.
29. Lee, H. C., and Choi, J. W., “Linear Time-Varying Eigenstructure Assignment with Flight Control Application,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 40, No. 1, January 2004, pp. 145-157.
30. Seo, Y. B., Choi, J. W., and Lee, D. H., “Eigenstructure Assignment for Linear Systems with Probabilistic Uncertainties,” KSME International Journal, Vol. 18, No. 6, June 2004, pp. 933-945.
31. Lee, H. C., Choi, J. W., and Zhu, J. J., “Ackermann-like Eigenvalue Assignment Formulae for Linear Time-Varying Systems,” IEE Proceedings - Control Theory & Application, Vol. 152, No. 4, July 2005, pp. 427-434.
  
 
 Professional Experiences 

1. March 1987 - February 1995; Research Assistant, Department of Control and Instrumentation Engineering, Seoul National University, Seoul, Korea.
2. October 1993 - March 1995; Research Engineer, Engineering Research Center for Advanced Control and Instrumentation, Seoul National University, Seoul, Korea.
3. January 1995 - February 1995; Visiting Research Engineer, National Space Development Agency(NASDA) of Japan, Tsukuba Space Center, Ibaraki, Japan.
4. April 1995 - August 1995; Postdoctoral Fellow, Engineering Research Center for Advanced Control and Instrumentation, Seoul National University, Seoul, Korea.
5. September 1995 - February 1996; Postdoctoral Fellow, Department of Computer Science and Electrical Engineering, University of Southern California, Los Angeles, CA, U.S.A.
6. March 1996 - Present; Associate Professor, School of Mechanical Engineering, Pusan National University, Pusan, Korea.
7. January 1998 - February 1998; Visiting Professor, Department of Electrical Engineering, Louisiana State University, Baton Rouge, LA, U.S.A.
8. 1999 - Present; Member, Steering Committee for GNSS(Global Navigation Satellite Systems) Council.
9. December 1999 - January 2000; Visiting Professor, Department of Electrical Engineering, Louisiana State University, Baton Rouge, LA, U.S.A.
10. January 2000 - December 2000; Member, Steering Committee for Dynamics and Control Section of KSME(The Korean Society of Mechanical Engineers).
11. 2000 - Present; Fellow, IBS(Intelligent Building System) Korea.
12. 2000 - Present; Associate Editor, Conference Editorial Board, IEEE Control Systems Society.
13. 2000 - Present; Associate Editor, KSME International Journal.
14. January 2000 - February 2003; Associate Editor, Journal of Control, Automation and Systems Engineering.
15. 2001; Cochair, Publicity, 2001 International Conference on Control, Automation and Systems(ICCAS 2001).
16. 2001; Chair, Steering Committee, 2001 IEEE International Symposium on Industrial Electronics (ISIE 2001).
17. 2001; Member, Program Committee, International Conference on Mechatronics and Information Technology(ICMIT 2001).
18. March 2002 - Present; Member, SCI Registration Promotion Commission, The Korean Institute of Electrical Engineers.
19. December 2002 - January 2003; Honorary Senior Research Fellow, School of Mechanical and Manufacturing Engineering, The Queen`s University of Belfast, U.K.
20. 2003 - Present; Fellow, ICASE(The Institute of Control, Automation, and Systems Engineers) Korea.
21. 2003 - Present; Editorial Board Member, International Journal of Control, Automation and Systems.
22. Member, Program Committee, 2003 International Conference on Control, Automation and Systems(ICCAS 2003).
23. Member, Program Committee, 2003 International Conference on Mechatronics and Information Technology(ICMIT 2003).
24. August 2003 - August 2004; Visiting Professor, Intelligent Transportation Research Center, Microsystems Technology Laboratories, Massachusetts Institute of Technology, Cambrideg, MA 02139, U.S.A.
25. Member, International Program Committee, 2004 IFAC Workshop on Periodic Control Systems(PSYCO 2004).
26. Cochair, Special Sessions Committee, IEEE IECON 2004.
27. Cochair, Special Sessions Committee, SICE-ICCAS 2006.
28. Cochair, Tutorial/Workshop Committee, IFAC 2008 World Congress.

  
 
 Professional Societies & Activities 

1. Senior Member, AIAA(The American Institute of Aeronautics and Astronautics), U.S.A.
2. Life Member, ICASE(The Institute of Control, Automation and Systems Engineers), Korea
3. Senior Member, IEEE(The Institute of Electrical and Electronics Engineers), U.S.A.
4. Life Member, KIMST(The Korea Institute of Military Science and Technology), Korea
5. Life Member, KSAS(The Korean Society for Aeronautical and Space Sciences), Korea
6. Member, KSETTEE(Korea Society for Engineering Education and Technology Transfer), Korea
7. Member, KSME(The Korea Society of Mechanical Engineers), Korea
8. Life Member, KSPE(The Korean Society of Precision Engineering), Korea
  
 
 Honors and Awards 

1. Recipient of Bronze Medal with Cash Award at the 1994 Samsung HumanTech Thesis Contest, February 1995.
2. The Best Paper Award from The Korean Federation of Science and Technology Societies, Korea, May 2000.
3. The Best Young Professor Award from Pusan National University, Korea, March 29, 2001.
4. The Academic Activity Award from The Institute of Control, Automation and Systems Engineers, Korea, October 19, 2001.
5. Prime Minister`s Commendation Award from the Korean Government, Korea, April 20, 2002.
6. The Best Poster Paper Prize from The 4th Asian Control Conference, Singapore, September 25-27, 2002.
7. Selected as an Oversea Research Professor by LG Yonam Foundation, Korea, June 16, 2003 (US$25000 with Two Round Trip Tickets).
8. IJCAS Scientific Activity Award from the International Journal of Control, Automation, and Systems, December 15, 2004.
  
 
 International Joint Research & Activities 

Joint Research with Professor Jim J. Zhu at Ohio University, U.S.A.