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2013

L1Simplex: Fault-tolerant control of cyber-physical systems

Wang, X., Hovakimyan, N. & Sha, L. R., Oct 15 2013, 2013 ACM/IEEE International Conference on Cyber-Physical Systems, ICCPS 2013. p. 41-50 10 p. 6603998. (2013 ACM/IEEE International Conference on Cyber-Physical Systems, ICCPS 2013).

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

Controllers
Cyber Physical System
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
2018

Collision Avoidance Based on Line-of-Sight Angle: Guaranteed Safety Using Limited Information About the Obstacle

Cichella, V., Marinho, T., Stipanović, D., Hovakimyan, N., Kaminer, I. & Trujillo, A., Jan 1 2018, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 89, 1-2, p. 139-153 15 p.

Research output: Contribution to journalArticle

Collision avoidance
Unmanned aerial vehicles (UAV)
Degrees of freedom (mechanics)
Angular velocity
Feedback
2015

Trajectory generation using spatial pythagorean hodograph bézier curves

Choe, R., Puig-Navarro, J., Cichella, V., Xargay, E. & 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

Trajectories
Unmanned aerial vehicles (UAV)
2014

Multi-leader coordination algorithm for networks with switching topology and quantized information

Xargay, E., Choe, R., Hovakimyan, N. & Kaminer, I., Mar 2014, In : Automatica. 50, 3, p. 841-851 11 p.

Research output: Contribution to journalArticle

Topology
Disturbance rejection
2012

Convergence of a PI coordination protocol in networks with switching topology and quantized measurements

Xargay, E., Choe, R., Hovakimyan, N. & Kaminer, I., Dec 1 2012, In : Proceedings of the IEEE Conference on Decision and Control. p. 6107-6112 6 p., 6426392.

Research output: Contribution to journalConference article

Disturbance rejection
Topology
Disturbance Rejection
Information Flow
Convergence Properties
2017

A flight envelope protection method based on potential functions

Sun, D., Li, X., Jafarnejadsani, H. & Hovakimyan, N., Jan 1 2017, AIAA Guidance, Navigation, and Control Conference, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Guidance, Navigation, and Control Conference, 2017).

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

Flight envelopes
Aircraft
Asymptotic stability
Closed loop systems
NASA
2013

Vision-based cyclic pursuit for cooperative target tracking

Ma, L. & Hovakimyan, N., Mar 1 2013, In : Journal of Guidance, Control, and Dynamics. 36, 2, p. 617-622 6 p.

Research output: Contribution to journalArticle

Target Tracking
Pursuit
Target tracking
robots
Robots
2010

1 adaptive control under anomaly: Flying qualities and adverse pilot interaction

Choe, R., Xargay, E., Hovakimyan, N., Cao, C. & Gregory, I. M., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-7775. (AIAA Guidance, Navigation, and Control Conference).

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

Flight control systems
Aerodynamic stability
Degradation
Adaptive control systems
Transport aircraft
2016

L1 stability augmentation system for Calspan’s variable-stability learjet

Ackerman, K. A., Xargay, E., Choe, R., Hovakimyan, N., Cotting, M. C., Jeffrey, R. B., Blackstun, M. P., Paul Fulkerson, T. P., Lau, T. R. & Stephens, S. S., 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

System stability
Aircraft
Air
Fault detection
2013

L1 adaptive control of uncertain networked control systems

Wang, X., Kharisov, E. & Hovakimyan, N., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 4122-4127 6 p. 6580472. (Proceedings of the American Control Conference).

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

Networked control systems
Sampling
Data communication systems
Feedback
Controllers
2017

Time-Critical Cooperative Control of Autonomous Air Vehicles

Kaminer, I., Pascoal, A., Xargay, E., Hovakimyan, N., Cichella, V. & Dobrokhodov, V., Aug 4 2017, Elsevier. 243 p.

Research output: Book/ReportBook

Unmanned aerial vehicles (UAV)
Air
Fixed wings
Aerospace industry
Industry
2013

Positive invariant set estimation of L1 adaptive controller in the presence of input saturation

Li, D., Hovakimyan, N. & Cao, C., Nov 1 2013, In : International Journal of Adaptive Control and Signal Processing. 27, 11, p. 1012-1030 19 p.

Research output: Contribution to journalArticle

Controllers
Aerospace applications
Convex optimization
Closed loop systems
Dynamical systems
2010

L1 adaptive controller for multi-input multi-output systems in the presence of nonlinear unmatched uncertainties

Xargay, E., Hovakimyan, N. & Cao, C., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 874-879 6 p. 5530686. (Proceedings of the 2010 American Control Conference, ACC 2010).

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

Controllers
Transient analysis
Nonlinear systems
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
2010

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
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

Comparison of several adaptive controllers according to their robustness metrics

Kharisov, E., Hovakimyan, N. & Åström, K. J., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-8047. (AIAA Guidance, Navigation, and Control Conference).

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

Robustness (control systems)
Controllers
Linear systems
System theory
Closed loop systems

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
2017

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
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
2013

Bode-like integral for continuous-time closed-loop systems in the presence of limited information

Li, D. & Hovakimyan, N., Jun 3 2013, In : IEEE Transactions on Automatic Control. 58, 6, p. 1457-1469 13 p., 6389713.

Research output: Contribution to journalArticle

Continuous time systems
Random processes
Closed loop systems
Communication
2014

Loss-of-Control prediction and prevention for NASA's transport class model

Chongvisal, J., Tekles, N., Xargay, E., Talleur, D. A., Kirlik, A. & 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

NASA
Aircraft
Control systems
Industry
2011

L1 adaptive controller for nonlinear reference systems

Wang, X. & Hovakimyan, N., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 594-599 6 p. 5991264. (Proceedings of the American Control Conference).

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

Controllers
Uncertain systems
Low pass filters
Nonlinear systems
Specifications
2019

Control design for an aerial manipulator for pick-and-place tasks

Sun, D., Wan, N., Hovakimyan, N., Dai, W. & Zhang, Y., 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

Manipulators
Antennas
Controllers
Robotics
2013

Distributed control of uncertain networked systems: A Decoupled design

Wang, X. & Hovakimyan, N., Oct 4 2013, In : IEEE Transactions on Automatic Control. 58, 10, p. 2536-2549 14 p., 6520880.

Research output: Contribution to journalArticle

Network protocols
Feedback control
Communication
Networked control systems
Robust control
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
2017

An L1 adaptive control design for output-feedback sampled-data systems

Jafarnejadsani, H., Lee, H. & Hovakimyan, N., Jun 29 2017, 2017 American Control Conference, ACC 2017. Institute of Electrical and Electronics Engineers Inc., p. 5744-5749 6 p. 7963850. (Proceedings of the American Control Conference).

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

Feedback
Controllers
Robustness (control systems)
MIMO systems
Closed loop systems
2010

Distributed event-triggered consensus algorithm for uncertain multi-agent systems

Kharisov, E., Wang, X. & Hovakimyan, N., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-8325. (AIAA Guidance, Navigation, and Control Conference).

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

Multi agent systems
Communication
Closed loop systems
Controllers
Uncertainty
2012

Generalization of proportional adaptation law for L1 adaptive controller

Vanness, J., Kharisov, E. & Hovakimyan, N., Dec 1 2012, In : Proceedings of the IEEE Conference on Decision and Control. p. 3215-3220 6 p., 6425855.

Research output: Contribution to journalConference article

Directly proportional
Controller
Controllers
Performance Bounds
Low-pass Filter
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
2019

Flight control methods for multirotor UAS

Ackerman, K. A., Gregory, I. M. & Hovakimyan, N., Jun 2019, 2019 International Conference on Unmanned Aircraft Systems, ICUAS 2019. Institute of Electrical and Electronics Engineers Inc., p. 353-361 9 p. 8797739. (2019 International Conference on Unmanned Aircraft Systems, ICUAS 2019).

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

Flight Control
Path Following
Gain control
Closed loop systems
Natural frequencies

Primal-Dual Algorithm for Distributed Reinforcement Learning: Distributed GTD

Lee, D., Yoon, H. & Hovakimyan, N., Jan 18 2019, 2018 IEEE Conference on Decision and Control, CDC 2018. Institute of Electrical and Electronics Engineers Inc., p. 1967-1972 6 p. 8619839. (Proceedings of the IEEE Conference on Decision and Control; vol. 2018-December).

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

Primal-dual Algorithm
Reinforcement learning
Reinforcement Learning
Reward
Learning algorithms
2018

Optimal motion planning for differentially flat systems using bernstein approximation

Cichella, V., Kaminer, I., Walton, C. & Hovakimyan, N., Jan 2018, In : IEEE Control Systems Letters. 2, 1, p. 181-186 6 p.

Research output: Contribution to journalArticle

Motion Planning
Motion planning
Trajectories
Trajectory
Time-optimal Control
2010

Predicting the performance of uncertain multi-agent systems using event-triggering and L 1 adaptation

Wang, X. & Hovakimyan, N., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-8327. (AIAA Guidance, Navigation, and Control Conference).

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

Multi agent systems
Communication
Controllers
Air traffic control
Low pass filters
2011

Vision-based cyclic pursuit for cooperative target tracking

Ma, L. & Hovakimyan, N., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 4616-4621 6 p. 5991047. (Proceedings of the American Control Conference).

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

Target tracking
Robots
Computer simulation
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
2011

L1 adaptive control for optical soliton propagation

Xargay, E., Langbort, C. & Hovakimyan, N., 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 7-12 6 p. 5991480

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

Solitons
Wave propagation
Optical fibers

1adaptive controller for a rotary steerable system

Sun, H., Li, Z., Hovakimyan, N., Basar, M. T. & Downton, G., Jan 1 2011, 2011 IEEE International Symposium on Intelligent Control, ISIC 2011. Institute of Electrical and Electronics Engineers Inc., p. 1020-1025 6 p. 6045424. (IEEE International Symposium on Intelligent Control - Proceedings).

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

Controller
Controllers
Performance Bounds
Boreholes
Closed loop systems

1 Adaptive Control for Safety-Critical Systems: Guaranteed robustness with fast adaptation

Hovakimyan, N., Cao, C., Kharisov, E., Xargay, E. & Gregory, I. M., Oct 2011, In : IEEE Control Systems. 31, 5, p. 54-104 51 p.

Research output: Contribution to journalArticle

Air Traffic Control
Flight Control System
Safety-critical Systems
Air traffic control
Flight control systems
2010

L1 adaptive control of flexible aircraft: Preliminary results

Avanzini, G., Capello, E., Piacenza, I. A., Quagliotti, F., Hovakimyan, N. & Xargay, E., Dec 1 2010, AIAA Atmospheric Flight Mechanics Conference 2010. (AIAA Atmospheric Flight Mechanics Conference 2010).

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

Aircraft
Controllers
Flight dynamics
Elevators
Fuselages
2011

L1 adaptive augmented dynamic inversion controller for a high agility UAV

Geiser, M., Xargay, E., Hovakimyan, N., Bierling, T. & Holzapfel, F., 2011, AIAA Guidance, Navigation, and Control Conference 2011.

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

Unmanned aerial vehicles (UAV)
Controllers
2019
Transfer functions
Feedback
2010

1 adaptive flight control system: Systematic design and verification and validation of control metrics

Xargay, E., Hovakimyan, N., Dobrokhodov, V., Statnikov, R. B., Kaminer, I., Cao, C. & Gregory, I. M., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-7773. (AIAA Guidance, Navigation, and Control Conference).

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

Adaptive control systems
Flight control systems
Aircraft
Control theory
Software packages
2016

Cooperative trajectory generation using Pythagorean Hodograph Bézier curves

Choe, R., Puig-Navarro, J., Cichella, V., Xargay, E. & Hovakimyan, N., Jan 1 2016, In : Journal of Guidance, Control, and Dynamics. 39, 8, p. 1744-1763 20 p.

Research output: Contribution to journalArticle

Pythagorean-hodograph Curves
hodographs
Trajectory Generation
trajectory
Trajectories
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
2016

L1 Adaptive Control for a Class of Uncertain Nonaffine-in-Control Nonlinear Systems

Choe, R., Xargay, E. & Hovakimyan, N., Mar 1 2016, In : IEEE Transactions on Automatic Control. 61, 3, p. 840-846 7 p., 7140742.

Research output: Contribution to journalArticle

Nonlinear control systems
Control systems
Uncertain systems
Adaptive systems
Robustness (control systems)
2015

Cooperative Target Tracking with Time-Varying Formation Radius

Ma, L. & Hovakimyan, N., Nov 16 2015, 2015 European Control Conference, ECC 2015. Institute of Electrical and Electronics Engineers Inc., p. 1699-1704 6 p. 7330782. (2015 European Control Conference, ECC 2015).

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

Unmanned aerial vehicles (UAV)
Target tracking
Topology
Communication
Orbits

Collision avoidance through path replanning using bézier curves

Mehdi, S. B., Choe, R., Cichella, V. & 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
Planning
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