Mazen Farhood
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Office: 224G Virginia Tech Swing Space
Email: farhood@vt.edu
Phone: (540) 231-2983
Fax: (540) 231-9632
Journal Papers
[J1]  M. Farhood, "Robustness analysis of uncertain time‐varying systems with unknown initial conditions," International Journal of Robust and Nonlinear Control, Volume 34, Issue 4, Pages 2472-2495, March 2024.
DOI: 10.1002/rnc.7094

[J2]  D. Muniraj and M. Farhood, "A scalable compositional falsification approach for identifying challenging scenarios in cyber-physical systems," IEEE Systems Journal, Volume 17, Issue 3, Pages 4821-4832, September 2023.
DOI: 10.1109/JSYST.2023.3257982

[J3]  E. Khalife, D. Abou Jaoude, M. Farhood, and P.-L. Garoche, "Computation of invariant sets for discrete-time uncertain systems," International Journal of Robust and Nonlinear Control, Volume 33, Issue 14, Pages 8452–8474, September 2023.
DOI: 10.1002/rnc.6834

[J4]  D. Muniraj, H. He, M. Farhood, and D.J. Stilwell, "A distributed connectivity maintenance algorithm with formal guarantees for a communication-constrained network of unmanned underwater vehicles," IEEE Systems Journal, Volume 16, Issue 2, Pages 1774-1785, June 2022.
DOI: 10.1109/JSYST.2021.3065839

[J5]  M. Farhood, "LPV control and analysis under uncertain initial conditions," Automatica, Volume 132, October 2021. Article 109810.
DOI: 10.1016/j.automatica.2021.109810

[J6]  J.M. Fry, D. Abou Jaoude, and M. Farhood, "Robustness analysis of uncertain time‐varying systems using integral quadratic constraints with time‐varying multipliers," International Journal of Robust and Nonlinear Control, Volume 31, Issue 3, Pages 733-758, February 2021.
DOI: 10.1002/rnc.5299

[J7]  D. Muniraj, D. Abou Jaoude, and M. Farhood, "On using composability tools for reliability analysis of unmanned multi-aircraft systems: A case study," IEEE Access, Volume 8, Pages 16331-16349, 2020.
DOI: 10.1109/ACCESS.2020.2966763

[J8]  J.M. Fry and M. Farhood, "A Comprehensive analytical tool for control validation of fixed-wing unmanned aircraft," IEEE Transactions on Control Systems Technology, Volume 28, Issue 5, Pages 1785-1801, September 2020.
DOI: 10.1109/TCST.2019.2923649 (Flight Test Videos)

[J9]  D. Abou Jaoude, M.C. Palframan, and M. Farhood, "An oracle for the discrete-time integral quadratic constraint problem," Automatica, Volume 107, Pages 112-118, September 2019.
DOI: 10.1016/j.automatica.2019.05.023

[J10]  D. Muniraj and M. Farhood, "Detection and mitigation of actuator attacks on small unmanned aircraft systems," Control Engineering Practice, Volume 83, Pages 188-202, February 2019.
DOI: 10.1016/j.conengprac.2018.10.022

[J11]  M.C. Palframan, J.M. Fry, and M. Farhood, "Robustness analysis of flight controllers for fixed-wing unmanned aircraft systems using integral quadratic constraints," IEEE Transactions on Control Systems Technology, Volume 27, Issue 1, Pages 86-102, January 2019.
DOI: 10.1109/TCST.2017.2766598 (Flight Test Videos)

[J12]  D. Abou Jaoude and M. Farhood, "Coprime factors reduction of distributed nonstationary LPV systems," International Journal of Control, Volume 92, Issue 11, Pages 2571-2583, 2019.
DOI: 10.1080/00207179.2018.1453614 (free access)

[J13]  M. Farhood, "Distributed control of LPV systems over arbitrary graphs with communication latency," International Journal of Robust and Nonlinear Control, Volume 28, Issue 4, Pages 1281-1302, March 2018.
DOI: 10.1002/rnc.3950 (free access)

[J14]  D. Abou Jaoude and M. Farhood, "Model reduction of distributed nonstationary LPV systems," European Journal of Control, Volume 40, Pages 27-39, March 2018.
DOI: 10.1016/j.ejcon.2017.10.007

[J15]  D. Abou Jaoude and M. Farhood, "Balanced truncation model reduction of nonstationary systems interconnected over arbitrary graphs," Automatica, Volume 85, Pages 405-411, November 2017.
DOI: 10.1016/j.automatica.2017.07.031

[J16]  J.M. Fry, M. Farhood, and P. Seiler, "IQC-based robustness analysis of discrete-time linear time-varying systems," International Journal of Robust and Nonlinear Control, Volume 27, Issue 16, Pages 3135-3157, November 2017.
DOI: 10.1002/rnc.3731

[J17]  D. Abou Jaoude and M. Farhood, "Distributed control of nonstationary LPV systems over arbitrary graphs," Systems and Control Letters, Volume 108, Pages 23-32, October 2017.
DOI: 10.1016/j.sysconle.2017.07.017

[J18]  D. Muniraj, M.C. Palframan, K.T. Guthrie, and M. Farhood, "Path-following control of small fixed-wing unmanned aircraft systems with H type performance," Control Engineering Practice, Volume 67, Pages 76-91, October 2017.
DOI: 10.1016/j.conengprac.2017.07.006

[J19]  D. Abou Jaoude and M. Farhood, "Coprime factors model reduction of spatially distributed LTV systems over arbitrary graphs," IEEE Transactions on Automatic Control, Volume 62, Issue 10, Pages 5254-5261, October 2017.
DOI: 10.1109/TAC.2016.2638039

[J20]  D.J. Grymin and M. Farhood, "Two-step system identification and trajectory tracking control of a small fixed-wing UAV," Journal of Intelligent & Robotic Systems, Volume 83, Pages 105-131, July 2016.
DOI: 10.1007/s10846-015-0298-8 (free access)

[J21]  O. Arifianto and M. Farhood, "Optimal control of a small fixed-wing UAV about concatenated trajectories," Control Engineering Practice, Volume 40, Pages 113-132, July 2015.
DOI: 10.1016/j.conengprac.2015.03.007 (Flight Test Video)

[J22]  O. Arifianto and M. Farhood, "Development and modeling of a low-cost unmanned aerial vehicle research platform," Journal of Intelligent & Robotic Systems, Volume 80, Pages 139-164, October 2015.
DOI: 10.1007/s10846-014-0145-3

[J23]  M. Farhood, Z. Di, and G.E. Dullerud, "Distributed control of linear time-varying systems interconnected over arbitrary graphs," International Journal of Robust and Nonlinear Control, Volume 25, Issue 2, Pages 179-206, January 2015.
DOI: 10.1002/rnc.3081

[J24]  M. Farhood and C.L. Beck, "On the balanced truncation and coprime factors reduction of Markovian jump linear systems," Systems and Control Letters, Volume 64, Pages 96-106, February 2014.
DOI: 10.1016/j.sysconle.2013.12.004

[J25]  D.J. Grymin, C.B. Neas, and M. Farhood, "A hierarchical approach for primitive-based motion planning and control of autonomous vehicles," Robotics and Autonomous Systems, Volume 62, Issue 2, Pages 214-228, February 2014.
DOI: 10.1016/j.robot.2013.10.003

[J26]  M. Farhood and E. Feron, "Obstacle-sensitive trajectory regulation via gain scheduling and semidefinite programming," IEEE Transactions on Control Systems Technology, Volume 20, Issue 4, Pages 1107-1115, July 2012.
DOI: 10.1109/TCST.2011.2159718

[J27]  M. Farhood, "Nonstationary LPV control for trajectory tracking: a double pendulum example," International Journal of Control, Volume 85, Issue 5, Pages 545-562, May 2012.
DOI: 10.1080/00207179.2012.658868 (free access)

[J28]  M. Farhood, "LPV control of nonstationary systems: a parameter-dependent Lyapunov approach," IEEE Transactions on Automatic Control, Volume 57, Issue 1, Pages 209-215, January 2012.
DOI: 10.1109/TAC.2011.2161793

[J29]  M. Farhood and G.E. Dullerud, "Control of systems with uncertain initial conditions," IEEE Transactions on Automatic Control, Volume 53, Issue 11, Pages 2646-2651, December 2008.
Abstract  |  Full Text: PDF (298 KB)

[J30]  M. Farhood and G.E. Dullerud, "Control of nonstationary LPV systems," Automatica, Volume 44, Issue 8, Pages 2108-2119, August 2008.
Abstract  |  Full Text: PDF (1352 KB)

[J31]  M. Farhood and G.E. Dullerud, "Model reduction of nonstationary LPV systems," IEEE Transactions on Automatic Control, Volume 52, Issue 2, Pages 181-196, February 2007.
Abstract  |  Full Text: PDF (632 KB)

[J32]  M. Farhood and G.E. Dullerud, "On the balanced truncation of LTV systems," IEEE Transactions on Automatic Control, Volume 51, Issue 2, Pages 315-320, February 2006.
Abstract  |  Full Text: PDF (261 KB)

[J33]  M. Farhood and G.E. Dullerud, "Duality and eventually periodic systems," International Journal of Robust and Nonlinear Control, Volume 15, Issue 13, Pages 575-599, September 2005.
Abstract  |  Full Text: PDF (235 KB)

[J34]  M. Farhood, C.L. Beck, and G.E. Dullerud, "Model reduction of periodic systems: a lifting approach," Automatica, Volume 41, Issue 6, Pages 1085-1090, June 2005.
Abstract  |  Full Text: PDF (213 KB)

[J35]  M. Farhood and G.E. Dullerud, "LMI tools for eventually periodic systems," Systems and Control Letters, Volume 47, Issue 5, Pages 417-432, December 2002.
Abstract  |  Full Text: PDF (189 KB)


Book Chapters
[B1]  M. Farhood, "A parameter-dependent Lyapunov approach for the control of nonstationary LPV systems," in Control of Linear Parameter Varying Systems with Applications, J. Mohammadpour and C. W. Scherer, Eds. Springer US, 2012, pp. 105-126.
DOI: 10.1007/978-1-4614-1833-7_5

[B2]  M. Farhood and G.E. Dullerud, "Model reduction of strongly stable nonstationary LPV systems," Control of uncertain systems: modelling, approximation, and design, 99-118, Lecture Notes in Control and Inform. Sci., 329, Springer, Berlin, 2006.
Full Text: PDF (556 KB)


Conference Papers
[C1]  M. Farhood, "Control of polytopic LPV systems with uncertain initial conditions," Proceedings of the IEEE Conference on Decision and Control, 2023.

[C2]  H.J. He, A. Koppel, A.S. Bedi, M. Farhood, and D.J. Stilwell, "Bi-level nonstationary kernels for online Gaussian process regression," Proceedings of the IEEE International Conference on Automation Science and Engineering, 2023.

[C3]  S. Sinha and M. Farhood, "Identifying critical attack points in cyber-physical systems using integral quadratic constraints," Proceedings of the American Control Conference, 2023.

[C4]  D.J. Marquis, D. Abou Jaoude, M. Farhood, and C.A. Woolsey, "Robustness and convergence analysis of first-order distributed optimization algorithms over subspace constraints," Proceedings of the American Control Conference, 2023.

[C5]  H.J. He, A. Koppel, A.S. Bedi, D.J. Stilwell, M. Farhood, and B. Biggs, "Decentralized multi-agent exploration with limited inter-agent communications," Proceedings of the IEEE International Conference on Robotics and Automation, 2023.

[C6]  E. Khalife, P.-L. Garoche, and M. Farhood, "Code-level formal verification of ellipsoidal invariant sets for linear parameter-varying systems," NASA Formal Methods Symposium, 2023.
DOI: 10.1007/978-3-031-33170-1_10

[C7]  S. Sinha and M. Farhood, "Stochastic MPC based attacks on object tracking in autonomous driving systems," IFAC-PapersOnLine, Volume 56, Issue 2, Pages 5001-5008, 2023.

[C8]  E. Khalife, D. Abou Jaoude, and M. Farhood, "Construction of worst-case input signals for discrete-time linear time-varying systems," Proceedings of the IEEE Conference on Decision and Control, 2022.

[C9]  G.Y. Dayanikli, S. Sinha, D. Muniraj, R.M. Gerdes, M. Farhood, and M. Mina, "Physical-layer attacks against pulse width modulation-controlled actuators," 31st USENIX Security Symposium (USENIX Security 22), 2022.

[C10]  H.J. He, D.J. Stilwell, M. Farhood, and D. Muniraj, "Use of falsification to find rare failure modes of a ship collision avoidance algorithm," OCEANS 2022 - Chennai, Chennai, India, 2022.

[C11]  D. Abou Jaoude and M. Farhood, "Customized analytic center cutting plane methods for the discrete-time integral quadratic constraint problem," IFAC-PapersOnLine, Volume 55, Issue 25, Pages 115-120, 2022.

[C12]  S. Sinha, D. Muniraj, and M. Farhood, "LFT representation of a class of nonlinear systems: A data-driven approach," Proceedings of the European Control Conference, 2021.

[C13]  D. Abou Jaoude, P.-L. Garoche, and M. Farhood, "Computing state invariants using point-wise integral quadratic constraints and the S-procedure," Proceedings of the American Control Conference, 2021.

[C14]  D. Muniraj, M. Farhood, and D.J. Stilwell, "A distributed connectivity maintenance algorithm for a network of unmanned underwater vehicles under communication constraints," Proceedings of the IEEE Conference on Decision and Control, 2020.

[C15]  D. Abou Jaoude and M. Farhood, "Guaranteed output bounds using performance integral quadratic constraints," Proceedings of the American Control Conference, 2020.

[C16]  D. Abou Jaoude, M.C. Palframan, and M. Farhood, "On the analytic center cutting plane method for the discrete-time integral quadratic constraint problem," Proceedings of the IEEE Conference on Decision and Control, 2019.

[C17]  D. Muniraj, J.M. Fry, and M. Farhood, "LPV control design for autonomous underwater vehicles using robustness analysis tools," Proceedings of the 12th IFAC Conference on Control Applications in Marine Systems, Robotics, and Vehicles (CAMS) and the first workshop on Robot Control (WROCO), 2019.

[C18]  J.M. Fry and M. Farhood, "IQC-based robustness analysis with time-varying multipliers," Proceedings of the American Control Conference, 2019.

[C19]  D. Abou Jaoude, D. Muniraj, and M. Farhood, "Robustness analysis of uncertain time-varying interconnected systems using integral quadratic constraints," Proceedings of the American Control Conference, 2019.

[C20]  D. Muniraj, K.G. Vamvoudakis, and M. Farhood, "Enforcing signal temporal logic specifications in multi-agent adversarial environments: A deep Q-learning approach," Proceedings of the IEEE Conference on Decision and Control, 2018.

[C21]  J.M. Fry and M. Farhood, "Robustness analysis of eventually periodic systems using integral quadratic constraints with periodic multipliers," Proceedings of the IEEE Conference on Decision and Control, 2017.

[C22]  D. Muniraj and M. Farhood, "A framework for detection of sensor attacks on small unmanned aircraft systems," Proceedings of the International Conference on Unmanned Aircraft Systems (ICUAS), 2017.

[C23]  D. Muniraj and M. Farhood, "Distributed control of systems with uncertain initial conditions," Proceedings of the American Control Conference, 2017.

[C24]  D. Abou Jaoude and M. Farhood, "Balanced truncation of spatially distributed nonstationary LPV systems," Proceedings of the American Control Conference, 2017.

[C25]  M.C. Palframan and M. Farhood, "An IQC analysis framework for small fixed-wing UAS," Proceedings of the American Control Conference, 2016.

[C26]  D. Abou Jaoude and M. Farhood, "Coprime factors model reduction of linear systems interconnected over arbitrary graphs with communication latency," Proceedings of the American Control Conference, 2016.

[C27]  D. Abou Jaoude and M. Farhood, "An LFT approach for distributed control of nonstationary LPV systems," Proceedings of the American Control Conference, 2016.

[C28]  D.J. Grymin and M. Farhood, "Longitudinal model identification of a small fixed-wing UAV using motion capture data," Proceedings of the International Conference on Unmanned Aircraft Systems (ICUAS), 2016.

[C29]  M.C. Palframan, K.T. Guthrie, and M. Farhood, "An LPV path-following controller for small fixed-wing UAS," Proceedings of the IEEE Conference on Decision and Control, 2015.

[C30]  D. Abou Jaoude and M. Farhood, "Balanced truncation of linear systems interconnected over arbitrary graphs with communication latency," Proceedings of the IEEE Conference on Decision and Control, 2015.

[C31]  M. Farhood, "Distributed control of LPV systems over arbitrary graphs: A parameter-dependent Lyapunov approach," Proceedings of the American Control Conference, 2015.

[C32]  D.J. Grymin and M. Farhood, "Two-step system identification for control of small UAVs along pre-specified trajectories," Proceedings of the American Control Conference, 2014.

[C33]  M. Farhood and G.E. Dullerud, "Control of spatially distributed nonstationary systems over arbitrary graph structures with communication latency," Proceedings of the American Control Conference, 2013.

[C34]  O. Arifianto and M. Farhood, "Optimal control of fixed-wing UAVs along real-time trajectories," Proceedings of the ASME Dynamic Systems and Control Conference, 2012.

[C35]  C.B. Neas and M. Farhood, "A hybrid architecture for maneuver-based motion planning and control of agile vehicles," Proceedings of the 18th IFAC World Congress, 2011.

[C36]  M. Farhood, "Trajectory regulation of a double pendulum using a nonstationary LPV approach," Proceedings of the American Control Conference, 2010.

[C37]  M. Farhood and E. Feron, "An LPV approach to obstacle-sensitive trajectory regulation," Proceedings of the ASME Dynamic Systems and Control Conference, 2009.

[C38]  M. Farhood and E. Feron, "A parameter-dependent Lyapunov approach for the control of nonstationary and hybrid LPV systems," Proceedings of the American Control Conference, 2009.

[C39]  Z. Di, M. Farhood, and G.E. Dullerud, "Control of distributed systems over graphs," Proceedings of the IEEE Conference on Decision and Control, 2006.
Abstract  |  Full Text: PDF (275 KB)

[C40]  M. Farhood and G.E. Dullerud, "On the balanced truncation of LTV systems," Proceedings of the SICE Annual Conference, 2004.

[C41]  M. Farhood and G.E. Dullerud, "On the L2-induced control for eventually periodic systems," Proceedings of the American Control Conference, 2004.

[C42]  M. Farhood, C.L. Beck, and G.E. Dullerud, "Model reduction of stabilizable nonstationary LPV models," Proceedings of the IEEE Conference on Decision and Control, 2003.

[C43]  M. Farhood, C.L. Beck, and G.E. Dullerud, "On the model reduction of nonstationary LPV systems," Proceedings of the American Control Conference, 2003.

[C44]  M. Farhood, C.L. Beck, and G.E. Dullerud, "Model reduction of nonstationary LPV systems," Proceedings of the IEEE Conference on Decision and Control, 2002.

[C45]  M. Farhood and G.E. Dullerud, "LMI tools for eventually periodic systems," Proceedings of the American Control Conference, 2002.

[C46]  M. Farhood and G.E. Dullerud, "Control of nonstationary LPV systems," Proceedings of the IEEE Conference on Decision and Control, 2001.