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Naira Hovakimyan
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Professor, University scholar, Schaller faculty scholar
(217) 244-1672
nhovakimatillinois [dot] edu
223 Mechanical Engineering Bldg
Honorary Titles
  • Schaller Faculty Scholar
 
Research Areas
  • Controls & Dynamics
Degrees
  • Ph.D., Physics and Mathematics, Russian Academy of Sciences, 1992
  • M. S. Applied Mathematics and Theoretical Mechanics Yerevan State University 1988
Academic Positions
  • University Scholar, 2011-2014
  • Professor, Coordinated Science Labs, UIUC, 2008-date
  • Department Affiliate, Aerospace Engineering, UIUC, 2008-date
  • Professor and Schaller Faculty Scholar, Department of Mechanical Science and Engineering, UIUC, August 16, 2008-date
  • Professor, Department of Aerospace and Ocean Engineering, Virginia Polytechnic Institute & State University, Blacksburg, VA, 2007-2008
  • Associate Professor, Department of Aerospace and Ocean Engineering, Virginia Polytechnic Institute & State University, Blacksburg, VA, 2003-2007
  • Research Scientist II, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 2001-2003
  • Postdoctoral fellow, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 1998- 2001
  • Visiting Professor, Santa Clara University, California, 2000
  • Visiting Professor, Johannes Kepler University, Linz, Austria, 1999
  • Visiting Professor, Technion, Haifa, Israel, 1998
  • Postdoctoral Scholar, INRIA (French National Research Institute for Computer Science and Control), Sophia Antipolis, France 1997
  • DAAD (German Academic Exchange Service) scholar, Institute for Computer Applications, Stuttgart University, Germany, 1994-1995
  • Senior Research Fellow, Institute of Mechanics, National Academy of Sciences, Yerevan, Armenia, 1992-1994
Websites
Consulting Activities
  • Raymarine, 2012-2013
  • Raytheon, 2010
  • MUSAA (WP AFRL, Barrons Associates, AeroMech, iRACE), 2010-2013
  • Founded iRACE Technologies, LLC., 2008
  • NextGenAero Corporation, 2007-2008
  • StatOilHydro Research Centre, Porsgrunn, Norway, 2007-2009, 2012-2014
  • NASA/NIA, 2006-2007, 2011
Research Areas
  • Controls & Dynamics
Research Topics - Biodata
  • robust adaptive control and estimation, control in the presence of limited information, networks of autonomous systems, game theory, certification protocols
Research Statement

My research interests are in open problems in mathematical control theory and their possible applications in safety critical problems of mechanical, aerospace, electrical, petroleum and biomedical engineering.

Publications
Journal Articles

  • Wang, X. and N. Hovakimyan, "L1 Adaptive Controller for Nonlinear Reference Systems," Systems and Control Letters, vol. 61, no. 4, 455-463, 2012

  • Ma, L., N. Hovakimyan, "Vision-Based Cyclic Pursuit for Cooperative Target Tracking," AIAA Journal of Guidance, Control and Dynamics, vol. 35, 2012.

  • Sun, H., N. Hovakimyan, and T. Basar, "Adaptive Controller for Uncertain Nonlinear Multi-Input Multi-Output Systems with Input Quantization," IEEE Transactions on Automatic Control, vol. 57, No. 1, pp. 565-578, 2012.

  • Xargay, E., V. Dobrokhodov, I. Kaminer, A. Pascoal, N. Hovakimyan, and C. Cao, "Time-Coordinated Path Following of Multiple Heterogeneous Vehicles over Time-Varying Networks," IEEE Control Systems Magazine, No. 3, pp. 49-73, 2012.

  • Hovakimyan, N., C. Cao, E. Kharisov, E. Xargay, and I. Gregory, "Adaptive Controller for Safety Critical Systems: Guaranteed Robustness with Fast Adaptation," IEEE Control Systems Magazine, October, No. 5, pages 54-106, 2011.

  • Dobrokhodov, V., I. Kaminer, I. Kitsios, E. Xargay, N. Hovakimyan, C. Cao, I. Gregory, and L. Valavani, "Experimental Validation of Adaptive Control: Rohrs' Counterexample in Flight," AIAA Journal of Guidance, Control and Dynamics, vol. 34, No. 5, pp.1311-1328, 2011.

  • Kulkarni, V., A. Paranjape, K. R. Ghusinga, and N. Hovakimyan, "Synthesis of Robust Tunable Oscillators using Mitogen Activated Protein Kinase Cascades," Systems and Synthetic Biology, vol. 4, No. 4, pp. 331-341, 2010.

  • Yoo, S.-J., N. Hovakimyan, and C. Cao, "Decentralized Adaptive Control for Large-scale Nonlinear Systems with Interconnected Unmodelled Dynamics," IET Control Theory and Applications, vol. 4, No.10, pp. 1972-1988, 2010.

  • Stipanović, D., A. Melikyan, and N. Hovakimyan, "Guaranteed Strategies for Nonlinear Multi-Player Pursuit-Evasion Games," International Game Theory Review, vol. 12, No. 1, pp. 1-17, 2010.

  • Ma, L., C. Cao, N. Hovakimyan, V. Dobrokhodov, and I. Kaminer, "Adaptive Vision-Based Guidance Law with Guaranteed Performance Bounds for Tracking a Ground Target with Time-Varying Velocity," AIAA Journal of Guidance, Control and Dynamics, 33:3, 834-852, May-June 2010.

  • Kaminer, I., A. Pascoal, E. Xargay, C. Cao, N. Hovakimyan, and V. Dobrokhodov, "Path Following for Unmanned Aerial Vehicles Using L1 Adaptive Augmentation of Commercial Autopilots," AIAA Journal of Guidance, Control and Dynamics, 33:2, 550-564, March-April, 2010.

  • Wang, J., N. Hovakimyan, and C. Cao, "Verifiable Adaptive Flight Control: Unmanned Combat Aerial Vehicle and Aerial Refueling," AIAA Journal of Guidance, Control, and Dynamics, 33:1, 75-87, Jan-Feb 2010.

  • Ma, L., C. Cao, N. Hovakimyan, C. Woolsey, and W. Dixon, "Fast Estimation for Range Identification in the Presence of Unknown Motion Parameters," IMA Journal of Applied Mathematics, 1-25, 2010.

  • Cao, C. and N. Hovakimyan, “Stability Margins of L1 Adaptive Control Architecture,” IEEE Transactions on Automatic Control, 55:2, 480-487, 2010.

  • Dippold, A., L. Ma, and N. Hovakimyan, "Vision-Based Obstacle Avoidance of Wheeled Robots Using Fast Estimataion," AIAA Journal of Guidance, Control and Dynamics, 33:6, 1931-1937, Nov-Dec, 2009.

  • Patel, V., C. Cao, N. Hovakimyan, K. Wise, and E. Lavretsky, “ Adaptive Controller for Tailless Unstable Aircraft in the Presence of Unknown Actuator Failures,” International Journal of Control, 82:4, 705-720, 2009.

  • Cao, C., and N. Hovakimyan, “ Adaptive Output Feedback Controller for Non-Strictly Positive Real Systems: Missile Longitudinal Autopilot Design,” AIAA Journal of Guidance, Control and Dynamics, 32:3, 717-726, 2009.

  • Lavretsky, E. and N. Hovakimyan, “Adaptive Dynamic Inversion for Nonaffine- in-Control Uncertain Systems via Time-Scale Separation: Part 2,” Journal of Dynamical Systems and Control, 14:1, 33-41, 2008.

  • Stipanović, D. M., A. Melikyan, and N. Hovakimyan, “Some Sufficient Conditions for Multi-Player Pursuit-Evasion Games with Continuous and Discrete Observations,” Annals of the International Society of Dynamic Games, 9, 2008.

  • Stepanyan, V. and N. Hovakimyan, “Visual Tracking of a Maneuvering Target,” AIAA Journal of Guidance, Control and Dynamics, 18:1, 66-80, 2008.

  • Hayakawa, T., W. Haddad, and N. Hovakimyan, “Neural Network Adaptive Control for Nonlinear Uncertain Dynamical Systems with Asymptotic Stability Guarantees,” IEEE Transactions on Neural Networks, 19:1, 80-89, 2008.

  • Wang, J., V. Patel, C. Cao, N. Hovakimyan, and E. Lavretsky, “Novel Adaptive Control Methodology for Aerial Refueling with Guaranteed Transient Performance,” AIAA Journal of Guidance Control and Dynamics, 18:1, 182-193, 2008.

  • Cao, C. and N. Hovakimyan, “Design and Analysis of a Novel Adaptive Control Architecture with Guaranteed Transient Performance,” IEEE Transactions on Automatic Control, 53:2, 586-591, 2008.

  • Cao, C. and N. Hovakimyan, “ Adaptive Controller for Systems with Unknown Time-varying Parameters and Disturbances in the Presence of Non-zero Trajectory Initialization Error,” International Journal of Control, 81:7, 1148-1162, 2008.

  • Cao, C. and N. Hovakimyan, “ Adaptive Output Feedback Controller for Systems of Unknown Dimension,” IEEE Transactions on Automatic Control, 53:3, 815-821, 2008.

  • Cao, C. and N. Hovakimyan, “Vision-based Tracking using Intelligent Excitation,” International Journal of Control, vol. 81, No.11, pp. 1763-1778, 2008.

  • Hovakimyan, N., E. Lavretsky, and C. Cao, “Adaptive Dynamic Inversion for Nonaffine-in-Control Systems via Time-Scale Separation,” IEEE Transactions on Neural Networks, vol. 19, No.10, pp. 1702-1711, 2008.

  • Hovakimyan, N., E. Lavretsky, and C. Cao, “Dynamic Inversion for Multivariable Nonaffine-in-Control Systems via Time-Scale Separation,” International Journal of Control, vol. 81, No.12, pp. 1960-1967, 2008.

  • Cao, C., N. Hovakimyan, and J. Evers, “Active Control of Visual Sensor for Aerial Tracking,” Journal of Computational Management Science, Springer Operation Research and Decision Theory, 2008.

  • Ma, L., C. Cao, N. Hovakimyan, W. Dixon, and C. Woolsey, “Range Identification in the Presence of Unknown Motion Parameters for Perspective Vision Systems,” International Journal of Adaptive Control and Signal Processing, 2008.

  • Lavretsky, E. and N. Hovakimyan, “Stable Adaptation in the Presence of Multiple Actuator Constraints with Applications to Flight Control,” AIAA Journal of Guidance, Control and Dynamics, 30:2, 337-345, 2007.

  • Stepanyan, V. and N. Hovakimyan, “An Adaptive Disturbance Rejection Controller for Visual Tracking of a Maneuvering Target,” AIAA Journal of Guidance, Control and Dynamics, 30:4, 1090-1106, 2007.

  • Haddad, W., J. Bailey, T. Hayakawa, and N. Hovakimyan, “Neural Network Adaptive Output Feedback Control for Intensive Care Unit Sedation and Operating Room Hypnosis,” Special Issue on Feedback Control of IEEE Transactions on Neural Networks, 18:4, 1049-1066, 2007.

  • Cao, C. and N. Hovakimyan, “Novel Neural Network Adaptive Control Architecture with Guaranteed Transient Performance,” Special Issue on Feedback Control of IEEE Transactions on Neural Networks, 18:4, 1160-1171, 2007.

  • Cao, C., N. Hovakimyan, and J. Wang, “Intelligent Excitation for Adaptive Control with Unknown Parameters in Reference Input,” IEEE Transactions on Automatic Control, 52:8, 1525-1532, 2007.

  • Stepanyan, V. and N. Hovakimyan, “Robust Adaptive Observer Design for Uncertain Systems with Bounded Disturbances,” IEEE Transactions on Neural Networks, 18:5, 1392-1403, 2007.

  • Lavretsky, E. and N. Hovakimyan, “Positive -modification for Stable Adaptation in the Presence of Input Constraints,” Systems and Control Letters, 56:11-12, 722-729, 2007.

  • Melikyan, A., A. Akhmetzhanov, and N. Hovakimyan, “On Initial Value and Terminal Value Problems for Hamilton-Jacobi Equation,” Systems and Control Letters, 56:11-12, 714-721, 2007.

  • Young, A., C. Cao, V. Patel, N. Hovakimyan, and E. Lavretsky, “An Adaptive Approach to Nonaffine Control Design for Aircraft Applications,” AIAA Journal of Guidance, Control and Dynamics, 18:6, 1770-1782, 2007. Amanda Young awarded William Preston Society MS Thesis Award.

  • Hovakimyan, N., E. Lavretsky, and A. Sasane, “Appropriate Dynamic Inversion for Nonaffine in Control Systems via Time-Scale Separation: Part 1,” Journal of Dynamical Systems and Control, 13:4, 451-465, 2007.

  • Hovakimyan, N., B.-J. Yang, and A. Calise, “Robust Adaptive Output Feedback Control Methodology for Multivariable Non-Minimum Phase Nonlinear Systems,” Automatica, 42:4, 513-522, 2006.

  • King, B. B., N. Hovakimyan, K. Evans, and M. Buhl, “Reduced Order Controllers for Distributed Parameter Systems: LQG Balancing and an Adaptive Approach,” Special Issue of Mathematical and Computer Modeling for the 50th anniversary of AFOSR, 43:9-10, 1136-1149, 2006.

  • Hovakimyan, N., E. Lavretsky, A. Calise, and R. Sattigeri, “Decentralized Adaptive Output Feedback Control via Input/Output Inversion,” International Journal of Control, 79:12, 1538-1551, 2006.

  • Kutay, A., A. Calise, M. Idan, and N. Hovakimyan, “Experimental Results on Adaptive Output Feedback Control using Laboratory Model Helicopter,” IEEE Transactions on Control Systems Technology, 13:2, 196-202, 2005.

  • Hayakawa, T., W. Haddad, N. Hovakimyan, and V. Chellaboina, “Neural Network Adaptive Control for Nonlinear Nonnegative Dynamical Systems,” IEEE Transactions on Neural Networks, 16:2, 399-413, 2005.

  • Hayakawa, T., W. Haddad, J. Bailey, and N. Hovakimyan, “Passivity-Based Neural Network Adaptive Output Feedback Control for Nonlinear Nonnegative Dynamical Systems,” IEEE Transactions on Neural Networks, 16:2, 387-398, 2005.

  • Hovakimyan, N., E. Lavretsky, B.-J. Yang, and A. Calise, “Coordinated Decentralized Adaptive Output Feedback for Control of Interconnected Systems,” IEEE Transactions on Neural Networks, 16:1, 185-194, 2005.

  • Idan, M., A. Calise, and N. Hovakimyan, “An Adaptive Output Feedback Control Methodology: Theory and Practical Implementation Aspects,” AIAA Journal of Guidance, Control and Dynamics, 27:4, 710-715, 2004.

  • Hovakimyan, N., A. Calise, and N. Kim, “Adaptive Output Feedback Control of Uncertain Multi-Input Multi-Output Systems Using Single Hidden Layer Neural Networks,” International Journal of Control, 77:15, 1318-1329, 2004.

  • Lavretsky, E., N. Hovakimyan, and A. Calise, “Upper Bounds for Approximation of Continuous-Time Dynamics Using Delayed Outputs and Feedforward Neural Networks,” IEEE Transactions on Automatic Control, 48:9, 1606-1610, 2003.

  • Melikyan, A. and N. Hovakimyan, “Some Variational Calculus Problems in Dynamic Games on 2D Surfaces,” in Proceedings ICM Millennium Lectures on Games, Editors: Petrosyan L., Yeung D., 287-296, 2003.

  • Hovakimyan, N., F. Nardi, and A. Calise, “A Novel Error Observer based Adaptive Output Feedback Approach for Control of Uncertain Systems,” IEEE Transactions on Automatic Control, 47:8, 1310-1314, 2002.

  • Hovakimyan, N., F. Nardi, A. Calise, and N. Kim, “Adaptive Output Feedback Control of Uncertain Systems using Single Hidden Layer Neural Networks,” IEEE Transactions on Neural Networks, 13:6, 1420-1431, 2002.

  • Kim, N., A. Calise, N. Hovakimyan, J.V.R. Prasad, and E. Corban, “Adaptive Output Feedback for High-Bandwidth Control of an Unmanned Helicopter,” AIAA Journal of Guidance, Control and Dynamics, 25:6, 993-1002, 2002.

  • Hovakimyan, N., R. Rysdyk, and A. Calise, “Dynamic Neural Networks for Output Feedback Control,” International Journal of Robust and Nonlinear Control, 11:1, 23-39, 2001.

  • Calise, A., N. Hovakimyan, and M. Idan, “Adaptive Output Feedback Control of Nonlinear Systems using Neural Networks,” Automatica Special issue “Neural Networks for Feedback Control,” 37:8, 1201-1211, 2001.

  • Hovakimyan, N., F. Nardi, A. Calise, and H. Lee, “Adaptive Output Feedback Control of a Class of Nonlinear Systems using Neural Networks,” International Journal of Control, 74:12, 1161-1169, 2001.

  • Hovakimyan, N. and A. Melikyan, “Geometry of Pursuit-Evasion on Second-Order Rotation Surfaces,” Dynamics and Control, 10, 297-312, 2000.

  • Hovakimyan, N., “A Note on Taking Full Advantage of Feedback Linearization for Adaptive Output Feedback Control,” Abstracts Journal of American Mathematical Society, 21:4, 642, 2000.

  • Bernhard, P. and N. Hovakimyan, “Nonlinear Robust Control and Minimax Team Problems,” International Journal of Robust and Nonlinear Control, 9, 239-257, 1999.

  • Hovakimyan, N. and L. Harutunian, “Game Problems on Rotation Surfaces,” International Journal of Mathematics, Game Theory Algebra, 9:2, 117-129, 1999.

  • Melikyan, A., N. Hovakimyan, and L. Harutiunian,”Games of Simple Pursuit and Approach on Two-Dimensional Cone,” JOTA, 98:3, 515-543, 1998.

  • Avetisyan, V. and N. Hovakimyan, “Constructing the Regions of Admissible States of Positioning for a Two-Link Manipulator with Account of Speed Constraints,” Journal of Computer and System Sciences, 4, 638-646, 1997.

  • Argyris, J., V. Belubekyan, N. Hovakimyan, and M. Minasyan, “Chaotic Vibrations of Nonlinear Viscoelastic Beam,” Chaos, Solitons and Fractals, 7:2, 151-163, 1996.

  • Avetisyan, V. and N. Hovakimyan, “Optimal Plane Motions of Two-link Manipulator,” Journal of Computer and System Sciences, 2, 161-168, 1995.

  • Melikyan, A. and N. Hovakimyan, “A Differential Game of Simple Approach in Manifolds,” Journal of Applied Mathematics and Mechanics, 57:1, 47-57, 1993.

  • Melikyan, A. and N. Hovakimyan, “Singular Trajectories in the Game of Simple Pursuit in the Manifolds,” Journal of Applied Mathematics and Mechanics, 55:1, 42-48, 1991.

  • Melikyan, A. and N. Hovakimyan, “Game Problem of Simple Pursuit on a Two Dimensional Cone,” Journal of Applied Mathematics and Mechanics, 55:5, 607-618, 1991.

  • Hovakimyan, N., “Geometrical Properties of Optimal Trajectories in the Game Problem of Simple Pursuit in Plane in the Presence of Obstacle,” Scientific Notes of Yerevan State University, No.1, 32-39, 1991. (Erevan. Gos. Univ. Uchen. Zap. Estestv. Nauki 1991, No.1(176), as provided by American Mathematical Society)

Professional Societies
  • Member, Advisory Board for SPACE Center, CalState University of Los Angeles, CA, 2011 - up to date
  • Member, Society of Industrial and Applied Mathematics (SIAM) , 2008 - up to date
  • Member, International Society of Dynamic Games (ISDG), 1996 - up to date
  • Member, American Mathematical Society, (AMS), 1998 - up to date
  • Member, Guidance Navigation, Control Technical Committee, 2004-2007
  • Associate Fellow, American Institute of Aeronautics and Astronautics (AIAA, 2006 - up to date
  • Member, CSS Technical Committee on System Identification and Adaptive Control, 2008-up to date
  • Member, CSS Technical Committee on Intelligent Control, 2007-up to date
  • Member, CSS Technical Committee on Aerospace Control, 2006-up to date
  • Senior Member, Institute of Electrical and Electronics Engineers (IEEE), 2002- up to date
Research Honors
  • University Scholar, 2011-2014
  • AIAA Mechanics and Control of Flight Award, with the citation "For ground breaking work in L1 robust adaptive control of nonlinear uncertain systems, vision-based guidance, navigation and control, and cooperative path planning of UAVs", 2011
  • Ph.D. Student, E. Xargay, awarded Roger Strehlow Memorial Award for outstanding research contributions, 2011
  • Semiplenary speaker in Chinese Control and Decision Conference, Mianyang, China, 2011
  • Keynote speaker for ICNPAA World Congress, São José dos Campos (SP), Brazil, 2010
  • Plenary Speaker for 3rd International Symposium on Systems and Control for Aeronautics and Astronautics, 2010
  • Invited speaker, Workshop on Adaptation and Learning in Autonomous Systems, Lund University, Sweden, 2010
  • Plenary Speaker for IASTED Conference on Identification and Control, 2009
  • Dean’s Award for Research Excellence, Virginia Tech, 2008
  • Plenary Speaker, SIAM Conference on Control and Its Applications (CT07), San Francisco, CA, 2007
  • Marquis Who is Who of American Women, 25th Silver Anniversary Edition, 2006-date
  • Marquis Who is Who in America, 60th Diamond Anniversary Edition, 2006-date
  • Marquis Who is Who in American Education, 7th Edition, 2006-date
  • Marquis Who is Who in the World, 23rd Edition, 2006-date
  • M. S. Student, Amanda Young, received the William Preston Society MS Thesis Award, 2006
  • College of Engineering Faculty Fellow, Virginia Tech, 2006
  • Marquis Who is Who in Science and Engineering, 8th Edition, 2005-date
  • Best Presentation Award, American Control Conference, 2000, 2006, 2007
  • Pride @ Boeing, certificate of Appreciation 2004, 2007
  • Best Paper, SICE International Award, VII International Symposium on Dynamic Games and Applications, Japan, 1996
  • Long-term grant of International Science Foundation of George Soros, 1994
  • Honorary Award, International Science Foundation of George Soros for three papers in selected journals, 1993
Teaching Honors
  • Golden Screw Award, bestowed by Virginia Tech aerospace and ocean engineering outgoing seniors, 2008
Public Service Honors
  • Outstanding Reviewer, AIAA Journal of Guidance, Control and Dynamics, 2009
  • Outstanding Reviewer, AIAA Journal of Guidance, Control and Dynamics, 2008
  • Certificate of Distinguished Service, AIAA Guidance, Navigation and Control Technical Committee, 2008
Other Honors
  • AIAA Mechanics and Control of Flight Award
  • Engineering Faculty Leadership Forum