Panagiotis Tsiotras

           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 IEEE Transactions on Automatic Control

Office: 415-C Montgomery Knight Bldg.

Phone: (404) 894-9526

Fax: (404) 894-2760

E-mail: tsiotras "at" gatech.edu

Spring 2010 Schedule

Curriculum Vitae

[Education] [Research Interests] [Some Recent Publications] [Publications][Students] [Teaching]

Education

Ph.D., Aeronautics & Astronautics, Purdue University

M.Sc., Mathematics, Purdue University

M.Sc., Aerospace Engineering, Virginia Tech

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 and vehicle autonomy. Information on past and current research projects can be found in the Dynamics and Control Systems website.

Some Recent Publications

Below are some recent (and not so recent!) publications. For a complete list of journal and conference publications press here.

Jung, D., Ratti, J., and Tsiotras, P., "Real-time Implementation and Validation of a New Hierarchical Path Planning Scheme for UAVs via Hardware-in-the-Loop Simulation,'' Journal of Intelligent and Robotic Systems, Vol. 54, No. 1, pp. 163-181, 2009.

Jain, S., Tsiotras, P., and Zhou, H.-M., "Adaptive Multiresolution Mesh Refinement for the Solution of Evolution PDEs,'' SIAM Journal of Scientific Computing, Vol. 31, No. 2, pp. 1221-1248, 2009.

Jain, S., and Tsiotras, P., "Sequential Multiresolution Trajectory Optimization Schemes for Problems with Moving Targets,'' AIAA Journal of Guidance, Control, and Dynamics, Vol. 32, No. 2, pp. 488-499, 2009.

Dimarogonas, D. V., Tsiotras, P., and Kyriakopoulos, K. K., "Leader-Follower Cooperative Attitude Control of Multiple Rigid Bodies,'' Systems and Control Letters, Vol. 58, No. 6, pp. 429-435, 2009.

Dutta, A., and Tsiotras, P., "Hohmann-Hohmann and Hohmann-Phasing Cooperative Rendezvous Maneuvers,'' Journal of the Astronautical Sciences, (to appear).

Dutta, A. and Tsiotras, P., "A Network Flow Formulation for Cooperative Peer-to-Peer Refueling Strategies,'' AIAA Journal of Guidance, Control, and Dynamics, (to appear).

Velenis, E., Frazzoli, E., and Tsiotras P., "Steady-State Cornering Equilibria and Stabilization for a Vehicle During Extreme Operating Conditions,'' International Journal of Vehicle Autonomous Systems, Special Issue on Autonomous and Semi-Autonomous Control for Safe Driving of Ground Vehicles (to appear).

Jung, D., and Tsiotras, P., "Bank-to-Turn Control for a Small UAV using Backstepping and Parameter Adaptation,'' 17th IFAC World Congress, Seoul, South Korea, July 6-11, 2008, pp. 4406-4411.

Jung, D., and Tsiotras, P., "Multiresolution On-Line Path Planning for Small Unmanned Aerial Vehicles,'' American Control Conference, Seattle, WA, June11-13, 2008, pp. 2744-2749.

Cowlagi, R., and Tsiotras, P., "Multiresolution Path Planning with Wavelets: A Local Replanning Approach,'' American Control Conference, Seattle, WA, June~ 1-13, 2008, pp. 1220-1225.

Dimarogonas, D. V., Tsiotras, P. and Kyriakopoulos, K. J., "Leader-Follower Cooperative Attitude Control of Multiple Rigid Bodies,'' American Control Conference, Seattle, WA, June 11-13, 2008, pp. 801-806.

Jain, S., Tsiotras, P., and Velenis, E., "Optimal Feedback Velocity Profile Generation for a Vehicle with Given Acceleration Limits: A Level Set Implementation,'' 16th IEEE Mediterranean Conference on Control and Automation, Ajaccio, Corsica, France, June 25-26, 2008, pp. 451-456.

Dutta, A., and Tsiotras. P., "Hohmann-Phasing Cooperative Rendezvous Maneuvers,'' F. Landis Markley Astronautics Symposium, Chesapeake Bay, June 28-July 2, 2008, Paper AAS 08-297.

Jung, D., Ratti, J., and Tsiotras, P., "Real-time Implementation and Validation of a New Hierarchical Path Planning Scheme for UAVs via Hardware-in-the-Loop Simulation,'' International Symposium of Unmanned Aerial Vehicles (UAV'08), Orlando, FL, June 23-24, 2008.

Jung, D., and Tsiotras, P., "On-line Path Generation for Small Unmanned Aerial Vehicles using B-Spline Path Templates,'' AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, Aug. 18-21, 2008, AIAA Paper 2008-7135.

Jain, S., and Tsiotras, P., "Sequential Multiresolution Trajectory Optimization for Moving Targets,'' AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, Aug. 18-21, 2008, AIAA Paper 2008-6980.

Bakolas, E., and Tsiotras, P., "Multiresolution Path Planning Via Sector Decompositions Compatible to On-Board Sensor Data,'' AIAA Guidance, Navigation, and Control Conference, Honolulu, HI, Aug. 18-21, 2008, AIAA Paper 2008-7238.

Dutta, A., and Tsiotras, P., "A Cooperative P2P Refueling Strategy for Circular Satellite Constellations,'' AIAA Space Conference and Exhibit, San Diego, Sept. 9-11, 2008, AIAA Paper 2008-7643.

Bakolas, E. and Tsiotras, P., "On-Line, Kinodynamic Trajectory Generation Through Rectangular Channels Using Path and Motion Primitives,'' 47th IEEE Conference on Decision and Control, Cancun, Mexico, Dec. 9-11, 2008, pp. 3725-3730.

Chakrabortty, A., Arcak, M. and Tsiotras, P., "Robust Design of a Spacecraft Attitude Tracking Control System with Actuator Uncertainties,'' 47th IEEE Conference on Decision and Control, Cancun, Mexico, Dec. 9-11, 2008, pp. 1587-1592.

Velenis, E., Tsiotras, P. and Lu J., "Trail-Braking Driver Input Parameterization for General Corner Geometry,'' SAE Motorsports Engineering Conference, Concord, NC, Dec. 2-4, 2008, SAE Paper 2008-01-2986.

Kim, B. and Tsiotras, P., "Image Segmentation on Cell-Center Sampled Quadtree and Octree Grids,'' Wavelet Applications in Industrial Processing VI, San Jose, CA, Jan. 18-22, 2009, IS&T/SPIE Paper 7248-22.

Dutta, A. and Tsiotras, P., "A Cooperative Egalitarian Peer-to-Peer Strategy for Refueling Satellites in Circular Constellations,'' AAS/AIAA Space Flight Mechanics Meeting, Savannah, GA, Feb. 8-12, 2009, AAS Paper 2009-109.

Zhao, Y. and Tsiotras, P., "A Density-Function Based Mesh Refinement Algorithm for Solving Optimal Control Problems,'' Infotech at Aerospace Conference, Seattle, WA, April 6-9, 2009, AIAA Paper 2009-2019 (invited).

Cho, D., Jung, D. and Tsiotras, P., "A 5-dof Experimental Platform for Spacecraft Rendezvous and Docking,'' Infotech at Aerospace Conference, Seattle, WA, April 6-9, 2009, AIAA Paper 2009-1869.

Cowlagi, R. and Tsiotras, P., "Shortest Distance Problems in Graphs Using History-Dependent Transition Costs with Application to Kinodynamic Path Planning,'' American Control Conference, St. Louis, MO, June 10-12, 2009, (best student paper award), pp. 414-419.

Bakolas, E. and Tsiotras, P., "On the Generation of Nearly Optimal, Planar Paths of Bounded Curvature and Curvature Gradient,'' American Control Conference, St. Louis, MO, June 10-12, 2009, pp. 385-390.

Scacchioli, A., Tsiotras, P., and Lu, J., "Nonlinear-Feedback Vehicle Traction Force Control with Load Transfer for Accident Avoidance,'' ASME Dynamic Systems and Control Conference (DSCC'09), Hollywood, CA, Oct. 12-14, 2009.

Watts, R., Tsiotras, P. and Johnson, E., "Pilot Feedback for an Automated Planning Aid System in the Cockpit,'' 28th Digital Avionics Systems Conference, Orlando, FL, Oct. 25-29, 2009.

Bakolas, E., and Tsiotras, P., "The Asymmetric Sinistral/Dextral Markov-Dubins Problem,'' 48th IEEE Conference on Decision and Control, Shanghai, China, Dec. 16-18, 2009, pp. 5649-5654.

Velenis, E., Frazzoli, E. and Tsiotras, P., "On Steady-State Cornering Equilibria for Wheeled Vehicles with Drift,'' 48th IEEE Conference on Decision and Control, Shanghai, China, Dec. 16-18, 2009, pp. 3545-3550.