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2010

On coordinated road search using time-coordinated path following of multiple UAVs

Dobrokhodov, V., Kaminer, I., Jones, K., Xargay, E., Li, Z., Hovakimyan, N., Aguiar, A. P. & Pascoal, A. M., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-7583. (AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Air
Optical sensors
2014

An adaptive unknown input observer for fault detection and isolation of aircraft actuator faults

Lee, H., Snyder, S. & Hovakimyan, N., Feb 28 2014, AIAA Guidance, Navigation, and Control Conference. (AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aircraft models
Fault detection
Actuators
Aircraft
2010

L1 adaptive controller for a class of systems with unknown nonlinearities

Luo, J., Cao, C. & Hovakimyan, N., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 1659-1664 6 p. 5531528. (Proceedings of the 2010 American Control Conference, ACC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Control nonlinearities
Controllers
Uncertain systems
Uncertainty
2013

Bode-like integral for stochastic switched systems in the presence of limited information

Li, D. & Hovakimyan, N., Jan 1 2013, In : Automatica. 49, 1, p. 1-8 8 p.

Research output: Contribution to journalArticle

Networked control systems
Information theory
Closed loop systems
Conservation
Feedback
2011

Distributed target tracking and collision avoidance using multiple nonholonomic robots with uncertain dynamics

Li, Z., Vanness, J., Caballero, D. E., Hovakimyan, N. & Stipanovic, D. M., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011. (AIAA Guidance, Navigation, and Control Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collision avoidance
Target tracking
Simulators
Robots
Controllers
2012

Asynchronous task execution in networked control systems using decentralized event-triggering

Wang, X., Sun, Y. & Hovakimyan, N., Sep 1 2012, In : Systems and Control Letters. 61, 9, p. 936-944 9 p.

Research output: Contribution to journalArticle

Networked control systems
Communication
Data communication systems
Scheduling
2010

Path following for unmanned aerial vehicles using L1 adaptive augmentation of commercial autopilots

Kaminer, I., Pascoal, A., Xargay, E., Hovakimyan, N., Cao, C. & Dobrokhodov, V., Mar 1 2010, In : Journal of Guidance, Control, and Dynamics. 33, 2, p. 550-564 15 p.

Research output: Contribution to journalArticle

automatic pilots
Autopilot
pilotless aircraft
Path Following
Augmentation

Robustness of ℒ1 adaptive controllers in the gap metric in the presence of nonzero initialization

Li, D., Hovakimyan, N. & Georgiou, T., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 2723-2728 6 p. 5717509. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gap Metric
Stability Margin
Robust Stability
Robustness (control systems)
Initialization
2013

L1Simplex: Fault-tolerant control of cyber-physical systems

Wang, X., Hovakimyan, N. & Sha, L. R., Sep 2 2013, Proceedings of the ACM/IEEE 4th International Conference on Cyber-Physical Systems, ICCPS 2013. p. 41-50 10 p. (Proceedings of the ACM/IEEE 4th International Conference on Cyber-Physical Systems, ICCPS 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Cyber Physical System
2010

Relaxing the consistency condition in distributed event-triggered networked control systems

Wang, X., Sun, Y. & Hovakimyan, N., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 4727-4732 6 p. 5717763. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Consistency Conditions
Networked control systems
Networked Control Systems
Broadcast
Packet loss

Noise attenuation over additive gaussian channels

Li, D. & Hovakimyan, N., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 2348-2353 6 p. 5717502. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear matrix inequalities
Attenuation
Communication Channels
Matrix Inequality
Linear Time
2012

L1 adaptive control with proportional adaptation law

Vanness, J., Kharisov, E. & Hovakimyan, N., 2012, 2012 American Control Conference, ACC 2012. p. 1919-1924 6 p. 6315660

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
State feedback
Linear systems
Sensors
Uncertainty
2010

Guaranteed strategies for nonlinear multi-player pursuit-evasion games

Stipanović, D. M., Melikyan, A. & Hovakimyan, N., Mar 1 2010, In : International Game Theory Review. 12, 1, p. 1-17 17 p.

Research output: Contribution to journalArticle

Pursuit-evasion Games
Dynamic models
Upper Approximation
Lower Approximation
Methodology
2012

L 1 adaptive controller for nonlinear time-varying reference systems

Wang, X. & Hovakimyan, N., Apr 1 2012, In : Systems and Control Letters. 61, 4, p. 455-463 9 p.

Research output: Contribution to journalArticle

Controllers
Uncertain systems
Low pass filters
Nonlinear systems
Specifications
2010

Performance prediction in uncertain networked control systems using ℒ1-adaptation-based distributed event-triggering

Wang, X. & Hovakimyan, N., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 7570-7575 6 p. 5717265. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Networked control systems
Networked Control Systems
Performance Prediction
Performance Bounds
Uncertainty
2015

Three-dimensional coordinated path-following control for second-order multi-agent networks

Zuo, Z., Cichella, V., Xu, M. & Hovakimyan, N., Sep 1 2015, In : Journal of the Franklin Institute. 352, 9, p. 3858-3872 15 p.

Research output: Contribution to journalArticle

Path Following
Three-dimensional
Feedback control
Path
Feedback Control

Time-critical coordination of multiple UAVs with absolute temporal constraints

Puig-Navarro, J., Xargay, E., Choe, R., Hovakimyan, N. & Kaminer, I., Jan 1 2015, AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Guidance, Navigation, and Control Conference, 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unmanned aerial vehicles (UAV)
Landing
Telecommunication networks
Trajectories
Specifications
2018

Collision avoidance in multi-vehicle cooperative missions using speed adjustment

Mehdi, S. B., Cichella, V., Marinho, T. & Hovakimyan, N., Jan 18 2018, 2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2152-2157 6 p. (2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017; vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collision Avoidance
Collision avoidance
Adjustment
Categorical or nominal
Deviation
2015

Collision avoidance: A game theoretic approach

Snyder, S. & Hovakimyan, N., Jan 1 2015, AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Guidance, Navigation, and Control Conference, 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collision avoidance
Trajectories
Antennas
2017

Optimized L1 adaptive controller for trajectory tracking of an indoor quadrotor

Jafarnejadsani, H., Sun, D., Lee, H. & Hovakimyan, N., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 6, p. 1415-1427 13 p.

Research output: Contribution to journalArticle

Trajectory Tracking
controllers
trajectory
Trajectories
trajectories

L1 adaptive control within a flight envelope protection system

Lee, H., Snyder, S. & Hovakimyan, N., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 4, p. 1013-1026 14 p.

Research output: Contribution to journalArticle

flight envelopes
Flight envelopes
adaptive control
Adaptive Control
Envelope
2016

“Can I get L1 on?” Providing consistent handling qualities on Calspan’s variable-stability learjet

Cotting, M. C., Jeffrey, R. B., Blackstun, M. P., Fulkerson, T. P., Lau, T. R., Stephens, S. S., Ackerman, K. A., Xargay, E., Choe, R. & Hovakimyan, N., Jan 1 2016, AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (2016 AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aircraft
Safe handling
Jet aircraft
Air
Landing
2012
Controller
Uncertainty
Controllers
Output
Performance Bounds
2016

Safe coordinated maneuvering of teams of multirotor unmanned aerial vehicles: A cooperative control framework for multivehicle, time-critical missions

Cichella, V., Choe, R., Mehdi, S. B., Xargay, E., Hovakimyan, N., Dobrokhodov, V., Kaminer, I., Pascoal, A. M. & Pedro Aguiar, A., Jul 2016, In : IEEE Control Systems. 36, 4, p. 59-82 24 p., 7515324.

Research output: Contribution to journalArticle

Cooperative Control
Augmentation
Unmanned aerial vehicles (UAV)
Flight Control System
Flight control systems
2019

Emergency landing trajectory optimization for a fixed-wing UAV under engine failure

Fang, X., Holzapfel, F., Wan, N., Jafarnejadsani, H., Sun, D. & Hovakimyan, N., Jan 1 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fixed wings
Unmanned aerial vehicles (UAV)
Landing
Trajectories
Engines
2018

RSimplex: A robust control architecture for cyber and physical failures

Wang, X., Hovakimyan, N. & Sha, L., Aug 2018, In : ACM Transactions on Cyber-Physical Systems. 2, 4, 27.

Research output: Contribution to journalArticle

Robust control
Robust Control
Controllers
Controller
Monitor
2019

Propeller phase synchronization for small distributed electric vehicles

Patterson, A., Gahlawat, A. & Hovakimyan, N., Jan 1 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Propellers
Electric vehicles
Unmanned aerial vehicles (UAV)
Synchronization
Controllers

Collision avoidance in cooperative missions: Bézier surfaces for circumnavigating uncertain speed profiles

Mehdi, S. B., Choe, R. & Hovakimyan, N., Jan 1 2019, In : Journal of Guidance, Control, and Dynamics. 42, 8, p. 1779-1796 18 p.

Research output: Contribution to journalArticle

collision avoidance
Collision Avoidance
Collision avoidance
Collision
collision

Hidden markov model estimation-based q-learning for partially observable markov decision process

Yoon, H. J., Lee, D. & Hovakimyan, N., Jul 2019, 2019 American Control Conference, ACC 2019. Institute of Electrical and Electronics Engineers Inc., p. 2366-2371 6 p. 8814849. (Proceedings of the American Control Conference; vol. 2019-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hidden Markov models
Learning algorithms
Maximum likelihood

Learning to communicate: A machine learning framework for heterogeneous multi-agent robotic systems

Yoon, H. J., Chen, H., Long, K., Zhang, H., Gahlawat, A., Lee, D. & Hovakimyan, N., Jan 1 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Learning systems
Robotics
Reinforcement learning
Communication
Multi agent systems
Transfer functions
Feedback
2011

Singular surfaces in multi-agent connectivity maintenance games

Bhattacharya, S., Basar, T. & Hovakimyan, N., Dec 1 2011, 2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011. p. 261-266 6 p. 6160247. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Singular Surfaces
Maintenance
Connectivity
Game
Rician Fading
2018

Foreword

Hovakimyan, N. & Kiyavash, N., Jan 17 2018, In : 55th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2017. 2018-January, 1 p.

Research output: Contribution to journalEditorial

2017

Design and control of a small aerial manipulator for indoor environments

Jones, R. M., Sun, D., Haberfeld, G. B., Lakshmanan, A., Marinho, T. & Hovakimyan, N., Jan 1 2017, AIAA Information Systems-AIAA Infotech at Aerospace, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Information Systems-AIAA Infotech at Aerospace, 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Manipulators
Antennas
Torque
2011

L1 adaptive controller for quantized systems

Sun, H., Hovakimyan, N. & Başar, T., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 582-587 6 p. 5991468. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Closed loop systems
Controllers
Uncertain systems
2012

Game-theoretic analysis of a visibility based pursuit-evasion game in the presence of a circular obstacle

Bhattacharya, S., Başar, T. & Hovakimyan, N., Dec 1 2012, Numerical Analysis and Applied Mathematics, ICNAAM 2012 - International Conference of Numerical Analysis and Applied Mathematics. 1 ed. p. 1222-1225 4 p. (AIP Conference Proceedings; vol. 1479, no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pursuit-evasion games
games
visibility
trajectories
2010

Robustness of L1 adaptive controllers in the gap metric

Li, D., Hovakimyan, N. & Georgiou, T., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 3247-3252 6 p. 5530708. (Proceedings of the 2010 American Control Conference, ACC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Robustness (control systems)
Controllers
Adaptive systems
Time delay
Robust stability
2011

Limiting behavior of L1 adaptive controllers

Kharisov, E., Kim, K. K. K., Wang, X. & Hovakimyan, N., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011. (AIAA Guidance, Navigation, and Control Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Feedback
Linear systems
Nonlinear systems
Hardware
2014

Pilot-in-the-loop flight simulator for NASA's transport class model

Ackerman, K. A., Pelech, S. T., Carbonari, R. S., Hovakimyan, N. & Kirlik, A., Feb 28 2014, AIAA Guidance, Navigation, and Control Conference. (AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flight simulators
NASA
Simulators
Flight envelopes
Aircraft models
2010

L1 adaptive controller for systems with input quantization

Sun, H., Hovakimyan, N. & Başar, T., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 253-258 6 p. 5530607. (Proceedings of the 2010 American Control Conference, ACC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Uncertain systems
Adaptive systems
2014

On the construction of barrier in a visibility based pursuit evasion game

Bhattacharya, S., Basar, M. T. & Hovakimyan, N., Jul 22 2014, 2014 European Control Conference, ECC 2014. Institute of Electrical and Electronics Engineers Inc., p. 1894-1901 8 p. 6862391. (2014 European Control Conference, ECC 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visibility
2019

Sensitivity Analysis of Continuous-Time Systems based on Power Spectral Density

Wan, N., Li, D. & Hovakimyan, N., Jan 18 2019, 2018 IEEE Conference on Decision and Control, CDC 2018. Institute of Electrical and Electronics Engineers Inc., p. 2549-2554 6 p. 8619522. (Proceedings of the IEEE Conference on Decision and Control; vol. 2018-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Continuous time systems
Power Spectral Density
Continuous-time Systems
Power spectral density
Sensitivity analysis
2011

Perching maneuver for an MAV augmented with an L1 adaptive controller

Choe, R. & Hovakimyan, N., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011. (AIAA Guidance, Navigation, and Control Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Micro air vehicle (MAV)
Telecommunication links
Time delay
Aerodynamic stability
Adaptive control systems

Geometric 3D path-following control for a fixed-wing UAV on SO(3)

Cichella, V., Xargay, E., Dobrokhodov, V., Kaminer, I., Pascoal, A. M. & Hovakimyan, N., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011. (AIAA Guidance, Navigation, and Control Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fixed wings
Unmanned aerial vehicles (UAV)
Attitude control
Parameterization
Trajectories
2010

Decentralized L1 adaptive control for large-scale systems with unknown time-varying interaction parameters

Yoo, S. J., Hovakimyan, N. & Cao, C., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 5590-5595 6 p. 5531027. (Proceedings of the 2010 American Control Conference, ACC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Large scale systems
Controllers
Adaptive systems
2017

Piecewise bézier curves for avoiding collisions during multivehicle coordinated missions

Mehdi, S. B., Choe, R. & Hovakimyan, N., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 7, p. 1567-1578 12 p.

Research output: Contribution to journalArticle

Collision
collision
trajectory
Trajectories
trajectories
2015

Real-Time L1 Adaptive Control for Uncertain Networked Control Systems

Wang, X., Kharisov, E. & Hovakimyan, N., Sep 1 2015, In : IEEE Transactions on Automatic Control. 60, 9, p. 2500-2505 6 p., 6985599.

Research output: Contribution to journalArticle

Networked control systems
Data communication systems
Scheduling
Feedback
Network protocols
2014

Trajectory generation and collision avoidance for safe operation of cooperating UAVs

Cichella, V., Choe, R., Mehdi, S. B., Xargay, E., Hovakimyan, N., Dobrokhodov, V. & Kaminer, I., Feb 28 2014, AIAA Guidance, Navigation, and Control Conference. (AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collision avoidance
Unmanned aerial vehicles (UAV)
Trajectories
2017

Foreword

Do, M. & Hovakimyan, N., Feb 10 2017, In : 54th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2016. 7852199.

Research output: Contribution to journalEditorial

2012

L1 adaptive control integrated missile autopilot and guidance

Erdos, D., Shima, T., Kharisov, E. & Hovakimyan, N., 2012, AIAA Guidance, Navigation, and Control Conference 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated control
Electronic guidance systems
Missiles
Feedback
Controllers