Profile
Image: 
Title: 
V. Assist. Prof. Dr.
Surname: 
PRACH
Status: 
Full-Time Academic Staff
Program: 
Aerospace Engineering
Telephone: 
3008
E-mail: 
aprach@metu.edu.tr
Room: 
T-131
Educational Background: 
  • Ph.D. in Aerospace Engineering, Middle East Technical University (METU), Ankara, Turkey.
  • M.S. in Aerospace Engineering, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine.
  • M.S. in Aerospace Engineering, Middle East Technical University (METU), Ankara, Turkey.
  • B.S. in Aerospace Engineering, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine.
Research Interests: 
  • Automatic Control Systems
  • Fixed and Rotary-Wing Aircraft Dynamics
  • Modeling and Simulation of Dynamical Systems
  • Vehicle Guidance and Navigation
  • Automatic Control Theory and Applications
  • Robotics
  • System and Parameter Identification
Courses Taught: 
  • Introduction to Aerospace Engineering
  • Introduction to Aircraft Performance
  • Flight Mechanics
  • System Dynamics
  • Aeronautical Engineering Design
  • Introduction to Helicopter Aerodynamics and Design
Selected Publications: 
  • Journal Papers:
  • 1. O. Kouba, A. Prach, D. S. Bernstein, “How Slippery is Viscous Friction?”, manuscript accepted for publication in Control Systems Magazine.
  • 2. A. Prach, E. Kayacan, “An MPC-based Position Controller for a Tilt-rotor Tricopter VTOL UAV”, Optimal Control Applications and Methods, pp. 1-14, August, 2017, https://doi.org/10.1002/oca.2350.
  • 3. U. Eren, A. Prach, B. B. Koçer, S. V. Rakovic, E. Kayacan, B. Açıkmeşe, “Model Predictive Control in Aerospace Systems: Current State and Opportunities”, Journal of Guidance, Control, and Dynamics, Vol. 40, No.7, pp. 1541-1566, July, 2017.
  • 4. A. Prach, O. Tekinalp, D. S. Bernstein, “A Numerical Investigation of Output-Feedback Control of Linear Time-Varying and Nonlinear Systems Using the Forward Propagating Riccati Equation”, Journal of Vibration and Control, June 27, 2016.
  • 5. A. Prach, O. Tekinalp, D. S. Bernstein, “Infinite-Horizon Linear-Quadratic Control by Forward Propagation of the Differential Riccati Equation”, IEEE Control Systems Magazine, Vol. 35, pp. 78-93, April, 2015.
  • 6. A. Prach, O. Tekinalp, D. S. Bernstein, “Nonlinear Control for High-Angle-of-Attack Aircraft Flight Using the State-Dependent Riccati Equation”, Information Systems, Mechanics and Control, Kyiv, Ukraine, No. 10, pp. 159-170, 2014.
  • Conference Papers:
  • 1. Anna Prach, Gönenç Gürsoy, Ilkay Yavrucuk, “Nonlinear Controller for a Fixed-Wing Aircraft Landing”, Proc. American Control Conference, July 10-12, 2019, Philadelphia, PA, USA, Seattle, WA.
  • 2. A. Prach, J-J. Cabibihan, N. V. Thakor, D. S. Bernstein, “Pareto-Front Analysis of a Monotonic PI Control Law for Slip Suppression in a Robotic Manipulator”, Proc. 2017 IEEE International Conference on Robotics and Biomimetics (IEEE-ROBIO), Macau, China, December 5-8, 2017.
  • 3. A. Ansari, A. Prach, D. S. Bernstein, “Adaptive Trim and Trajectory Following for a Tilt-Rotor Tricopter”, Proc. American Control Conference, Seattle, WA, pp. 1109-1114, May 24-26, 2017.
  • 4. M. Mehndiratta, A. Prach, E. Kayacan, “Numerical Investigation of Gaussian Filters with a Combined Type Bayesian Filter for Nonlinear State Estimation”, 10th IFAC Symposium on Nonlinear Control Systems (NOLCOS), Vol. 49, No. 18, Monterey, California, USA, pp. 446-453, August 23-25, 2016.A. Prach, E. Kayacan, D. S. Bernstein, “An Experimental Evaluation of the Forward Propagating Riccati Equation to Nonlinear Control of the Quanser 3 DOF Hover Testbed”, Proc. American Control Conference, Boston, MA, pp. 3710-3715, July 6-8, 2016.
  • 5. A. Prach, O. Tekinalp, D. S. Bernstein, “Nonlinear Aircraft Flight Control Using the Forward Propagating Riccati Equation”, Proc. AIAA Guidance, Navigation, and Control Conference, AIAA SciTech Forum, San Diego, CA, January 4-8, 2014.
  • 6. A. Prach, O. Tekinalp, D. S. Bernstein, “Faux-Riccati Synthesis of Nonlinear Observer-Based Compensators for Discrete-Time Nonlinear Systems”, Proc. IEEE 53rd Conference on Decision and Control, pp. 854—859, Los Angeles, CA, December 15- 17, 2014.
  • 7. A. Prach, O. Tekinalp, D. S. Bernstein, “A Numerical Comparison of Frozen- Time and Forward- Propagating Riccati Equations for Stabilization of Periodically Time-Varying Systems”, Proc. American Control Conference, pp. 5633-5638, Portland, OR, June 2-4, 2014.
  • 8. A. Prach, O. Tekinalp, “Design of a Full State SDRE Tracking Controller for an Unmanned Aircraft”, Proc. AIAA Guidance, Navigation, and Control Conference, AIAA SciTech Forum, Maryland, Washington DC, January 13-17, 2014.
  • 9. A. Prach, O. Tekinalp, “A Multiple-Loop Aircraft Flight Controller Using SDRE Technique”, Proc. 7th Ankara International Aerospace Conference, Ankara, Turkey, September 11-13, 2013.
  • 10. A. Prach, O. Tekinalp, “Development of a State Dependent Ricatti Equation Based Tracking Flight Controller for an Unmanned Aircraft”, Proc. AIAA Guidance, Navigation, and Control Conference, Boston, MA, August 19-22, 2013.
  • 11. G. Gursoy, A. Prach, I. Yavrucuk, “Design of a Waypoint Tracking Control Algorithm for Parachute-Payload Systems”, Proc. 2nd CEAS Specialist Conference on Guidance, Navigation and Control, DELFT, Netherlands, April 10-12, 2013.