photo           Panagiotis Tsiotras
               Professor of Aerospace Engineering
               Director of the DYNAMICS AND CONTROL SYSTEMS LABORATORY
               School of Aerospace Engineering
               Georgia Institute of Technology
               Atlanta, GA 30332-0150
               Associate Editor for AIAA Journal of Guidance, Control and Dynamics
               Associate Editor for IEEE Control Systems Magazine
  • Office: 415-C Montgomery Knight Bldg.                 
  • Phone: (404) 894-9526                                               
  • Fax: (404) 894-2760                                               
  • E-mail: tsiotras "at" gatech.edu                                  
  • Fall 2007 Schedule
  • Curriculum Vitae

[Education] [Research Interests] [Recent Publications] [Publications][Students] [Teaching] [Web Sites] [Nice Stuff]

Education

o Ph.D., Aeronautics & Astronautics, Purdue University
o M.Sc., Mathematics, Purdue University
o M.Sc., Aerospace Engineering, Virginia Tech
o Eng.Dipl., Mechanical Engineering, National Technical University, Athens, Greece

Research Interests

My current research interests are in the area of dynamics and control for nonlinear systems, emphasizing mechanical and aerospace applications. Information on past and current research projects can be found in the Dynamics and Control Systems website.

 

Some Recent Publications

o Salazar A. and Tsiotras, P., "An Auction Algorithm for Optimal Satellite Refueling,''  Georgia Tech Space Systems Engineering Conference, Atlanta, GA, November 8-10, 2005, Paper No. GT-SSEC.F.5.
o D. Jung, E. J. Levy, D. Zhou, R. Fink, J. Moshe, A. Earl, and P. Tsiotras, P., "Design and Development of a Low-Cost Test-Bed for Undergraduate Education in UAVs''  44th IEEE Conference on Decision and Control/European Control Conference ECC 2005, Seville, Spain, Dec. 12-15, 2005.
o Shen H. and Tsiotras, P., "Peer-to-Peer Refueling for Circular Satellite Constellations,'' AIAA Journal of Guidance, Control, and Dynamics, Vo. 28, No. 6, pp. 1220-1230, 2005
o Tsiotras, P. and P.-A. Bliman, "An Exact Stability Analysis Test for Single-Parameter Polynomially-Dependent Linear Systems,'' IEEE Transactions on Automatic Control, Vol. 51, No. 7, pp. 1161-1164, 2006.
o Dutta, A., and Tsiotras, P., "Asynchronous Optimal Mixed P2P Satellite Refueling Strategies,'' Journal of the Astronautical Sciences, Vol. 54, No. 3-4, pp. 543-565, 2006.
o Velenis, E., and Tsiotras P., "Minimum-Time Travel for a Vehicle with Acceleration Limits: Theoretical Analysis and Receding Horizon Implementation,'' Journal of Optimization Theory and Applications, (to appear).
o Salazar A. and Tsiotras, P., "An Auction Algorithm for Allocating Fuel in a Satellite Constellation Using Peer-to-Peer Refueling,'' American Control Conference, Minneapolis, MN, June 14-16, 2006, pp. 4214-4219, (invited).
o Dimarogonas, D., Tsiotras, P. and Kyriakopoulos, K., "Laplacian Cooperative Attitude Control of Multiple Rigid Bodies,'' 2006 CCA/CACSD/ISIC, Munich, Germany, October 4-6, 2006.
o Jung, D., and Tsiotras, P., "An Experimental Validation of Spacecraft Attitude and Power Tracking with Variable Speed Control Moment Gyroscopes,'' AAS Spaceflight Mechanics Meeting, Sedona, AZ, Jan. 28-Feb. 1, 2007, AAS Paper 07-130.
o Zhang, X., Lanzon, A. and Tsiotras, P., "An Approach to Compute the Complete Stability Domain for a Class of LTI Parameter Dependent Systems,''  International Journal of Control, Vol. 79, No. 9 pp. 1046-1061, 2006.
o Yoon, H., and Tsiotras, P., "Spacecraft Line-of-Sight Control Using A Single-Gimbal Variable-Speed Control Moment Gyro,'' AIAA Journal of Guidance, Control, and Dynamics, Vol. 29, No. 6, pp. 1295-1308, 2006
o Chaplais, F., Tsiotras, P. and Jung, D., "Redundant Wavelet Processing on the Half-Axis with Applications to Signal Denoising with Small Delays: Theory and Experiments,'' International Journal on Adaptive Control and Signal Processing, Vol. 20, No. 9, pp. 447-474, 2006.
o Dutta, A., and Tsiotras, P., "A Greedy Random Adaptive Search Procedure for Optimal Scheduling of P2P Satellite Refueling,'' AAS Spaceflight Mechanics Meeting, Sedona, AZ, Jan. 28-Feb. 1, 2007, AAS Paper 07-150.
o Dutta, A., and Tsiotras, P., "A Network Flow Formulation for an Egalitarian P2P Satellite Refueling Strategy, '' AAS Spaceflight Mechanics Meeting, Sedona, AZ, Jan. 28-Feb. 1, 2007, AAS Paper 07-151.
o Jung, D., and Tsiotras, P., "Inertial Attitude and Position Reference System Development for a Small UAV,'' AIAA Infotech at Aerospace, Rohnert Park, CA, May 7-10, 2007, AIAA Paper 07-2763
o Jung, D., and Tsiotras, P., "Modelling and Hardware-in-the-Loop Simulation for a Small Unmanned Aerial Vehicle,'' AIAA Infotech at Aerospace, Rohnert Park, CA, May 7-10, 2007, AIAA Paper 07-2768.
o Velenis, E., Tsiotras, P., and Lu, J., "Aggressive Maneuvers on Loose Surfaces: Data Analysis and Input Parameterization,'' 15th IEEE Mediterranean Control Conference, June 26-29, Athens, Greece.
o Tsiotras, P., and Bakolas, E.,"A Hierarchical On-Line Path-Planning Scheme Using Wavelets,'' European Control Conference, Kos, Greece, July 2-5, 2007.
o Velenis, E., Tsiotras, P., and Lu, J., "Modeling Aggressive Maneuvers on Loose Surfaces: The Cases of Trail-Braking and Pendulum-Turn,'' European Control Conference, Kos, Greece, July 2-5, 2007.
o Tsiotras, P., "Multiresolution Hierarchical Path-Planning for Small UAVs,'' European Control Conference, Kos, Greece, July~2-5, 2007 (invited).
         

Complete List of Publications

o Books and book chapters
o Journal papers
o Conference papers and Proceedings
o Technical reports

Current Students

o Dongwong Jung, PhD candidate
o Sachin Jain, PhD candidate
o Atri Dutta, PhD candidate
o Ragu Cowlagi, PhD candidate
o Dae-Min Cho, PhD candidate
o Efstathios Bakolas, PhD candidate

Previous Students

o Alexander Lanzon, Post-doctoral student (2001)
o Seddik Djouadi, Post-doctoral student (2000)
o Hyungjoo Yoon, PhD (2003)
o Jihao Luo, PhD (1999)
o Edgar Hilton, PhD (2001)
o Xiping Zhang, PhD (2003)
o Brian Wilson, PhD (2004) (co-advised with Prof. Bonnie Heck (ECE))
o Jianrong Zhang, PhD (2000)
o Debao Zhou, MS (2004) (co-advised with Prof. Kok-Meng Lee (ME))
o Efstathios Velenis, PhD (2006)
o Byungmoon Kim, MS (1999)
o Stephen Mason, MS (1997)
o Haijun Shen, MS (1998), Ph.D., (2003).
o Alexander Schleicher, MS (1999)
o Viktoria Doumtchenko, MS (2000)
o Efstathios Velenis, MS (2000)
o Dave Richie, MS (2001)
o Ancil Marshal, MS (2002)
o Carolyn Muller, MS (2002)
o Chandeok Park, MS (2001)
o Arnaud de Nailly, MS (2004)
o Diemunsch Kenneth, MS (2004)
o Emmanuel Levy, MS (2005)
o Mark Hankele, MS (2005)
o Alexandros Salazar-Kardozo, MS (2006)
 

Teaching

o ENGR 205, Solid Mechanics I (F94)
o MAE 756 Nonlinear Control Systems (S95,S97)
o MAE 692 Linear State Space Control Systems (F96,F95)
o MAE 853/EE 823 Optimal Control Systems (S96,S98)
o MAE 651/EE 621 Linear Automatic Controls (F97)
o AE 3500 Aircraft Flight Mechanics (W99)
o AE 8123 Nonlinear Control Systems (S99)
o AE 6580 Nonlinear Control Systems (F04)
o AE 6511 Optimal Guidance and Control (F99,F01,F05,F07)
o AE 6531 Robust Control I (S07)
o AE 3521 Aircraft and Spacecraft Flight Dynamics (S00,S01,S02,F03,F06)
o AE 3515 System Dynamics and Control (S04,S05,S06)
o AE 4525 Automatic Controls Laboratory (S05,F05)
o AE 4520 Automatic Controls (S04)
o AE 4380 Astronautics (S01)

Useful Web Sites

The DCSL Spacecraft Simulators

o First Generation Spacecraft Simulator (.avi file 40MB)
o First Generation Spacecraft Simulator (.mwv file 6MB)
o Second Generation Spacecraft Simulator--Case I (RW mode) (.avi file 30MB)
o Second Generation Spacecraft Simulator--Case II (RW mode) (.avi file 29MB)
o Second Generation Spacecraft Simulator--(CMG mode) (.avi file 12MB)
o Simultaneous Attitude and Power Tracking Using VSCMGs (.avi file 12MB)
o Simultaneous Attitude and Power Tracking Using VSCMGs with Wheel Speed Equalization (.avi file 10MB)

Nice Stuff!

o Visit that The Wonderful World of Satellites
o Visit the Mars Rover mobile robot homepage
o See simulations of mobile robots performing parking maneuvers using nonholonomic control theory
o Pictures of fighter jets
o Images of Greece
o Movie of a 3-trailer mobile robot performing a parking maneuver
o Movie of a spacecraft tracking a target reference frame
o Movie of a spacecraft tracking a target direction
o Koyunbaba A great classic guitar piece by Carlo Domeniconi, performed by Antigoni Goni.