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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
2019

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
Transfer functions
Feedback
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 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
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 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015. American Institute of Aeronautics and Astronautics Inc., (AIAA Guidance, Navigation, and Control Conference 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015).

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

Trajectories
Unmanned aerial vehicles (UAV)
2013

A 3D path-following approach for a multirotor UAV on SO(3)

Cichella, V., Choe, R., Mehdi, S. B., Xargay, E., Hovakimyan, N., Kaminer, I. & Dobrokhodov, V., Jan 1 2013, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 2, PART 1, p. 13-18 6 p.

Research output: Contribution to journalConference article

Unmanned aerial vehicles (UAV)
Specifications
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

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
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

Generalization of L1 adaptive control architecture for switching estimation laws

Kharisov, E. & Hovakimyan, N., Nov 26 2012, 2012 American Control Conference, ACC 2012. p. 1907-1912 6 p. 6315651. (Proceedings of the American Control Conference).

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

Control theory
Linear systems
Feedback
Controllers
Uncertainty
2011

L1 adaptive output feedback controller for minimum phase systems

Kharisov, E. & Hovakimyan, N., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 1182-1187 6 p. 5991012. (Proceedings of the American Control Conference).

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

Low pass filters
Feedback control
Feedback
Controllers
Control theory
2015

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
2010

Stability margins of L1 adaptive control architecture

Cao, C. & Hovakimyan, N., Feb 1 2010, In : IEEE Transactions on Automatic Control. 55, 2, p. 480-487 8 p., 5373895.

Research output: Contribution to journalArticle

Time delay
Controllers
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
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
2015

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 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015. American Institute of Aeronautics and Astronautics Inc., (AIAA Guidance, Navigation, and Control Conference 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015).

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

Collision avoidance
Trajectories
Planning
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
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

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
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

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

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
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
2011

Fast estimation and ℒ1 adaptive control for bottomhole pressure in managed pressure drilling

Li, Z., Hovakimyan, N. & Kaasa, G. O., Nov 7 2011, 2011 IEEE International Symposium on Intelligent Control, ISIC 2011. p. 996-1001 6 p. 6045426. (IEEE International Symposium on Intelligent Control - Proceedings).

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

Drilling
Adaptive Control
Controller
Unmodeled Dynamics
Controllers
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
2019

L 1 adaptive sampled-data control for uncertain multi-input multi-output systems

Jafarnejadsani, H., Lee, H. & Hovakimyan, N., May 2019, In : Automatica. 103, p. 346-353 8 p.

Research output: Contribution to journalArticle

Controllers
Closed loop systems
Sampling
Low pass filters
Bandwidth
2014

Multi-Criteria Optimization for Filter Design of L1 Adaptive Control

Kim, K. K. K. & Hovakimyan, N., May 1 2014, In : Journal of Optimization Theory and Applications. 161, 2, p. 557-581 25 p.

Research output: Contribution to journalArticle

Multicriteria Optimization
Filter Design
Adaptive Control
Parameter Design
Robustness
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
2011

Distributed multi-agent tracking and estimation with uncertain agent dynamics

Li, Z., Hovakimyan, N. & Stipanovic, D. M., 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 2204-2209 6 p. 5990965

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

Controllers
Uncertain systems
Mobile agents
Communication
Target tracking
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
2010

Decentralised L1 adaptive control for large-scale non-linear systems with interconnected unmodelled dynamics

Yoo, S. J., Hovakimyan, N. & Cao, C., Oct 1 2010, In : IET Control Theory and Applications. 4, 10, p. 1972-1988 17 p.

Research output: Contribution to journalArticle

Unmodeled Dynamics
Large-scale Systems
Adaptive Control
Decentralized
Nonlinear systems
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

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
2015

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 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015. American Institute of Aeronautics and Astronautics Inc., (AIAA Guidance, Navigation, and Control Conference 2015, MGNC 2015 - Held at the AIAA SciTech Forum 2015).

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

Unmanned aerial vehicles (UAV)
Landing
Telecommunication networks
Trajectories
Specifications
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

An l1 adaptive stability augmentation system designed for mil-hdbk-1797 level 1 flying qualities

Puig-Navarro, J., Ackerman, K. A., Hovakimyan, N., Cotting, M. C., Duke, D. J., Carrera, M. J., McCaskey, N. C., Esposito, D., Peterson, J. M. & Tellefsen, J. R., 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

Flight control systems
System stability
Aircraft
Hydraulics
Engines
2012

Bottomhole pressure estimation and ℒ 1 adaptive control in Managed Pressure Drilling system

Li, Z., Hovakimyan, N. & Kaasa, G. O., Sep 17 2012, 1st IFAC Workshop on Automatic Control of Offshore Oil and Gas Production, ACOOG 2012. PART 1 ed. p. 128-133 6 p. (IFAC Proceedings Volumes (IFAC-PapersOnline); vol. 1, no. PART 1).

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

Drilling
Controllers
Actuators
Flow rate
Friction
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
2019

L1 adaptive control for switching reference systems: Application to flight control

Snyder, S., Zhao, P. & Hovakimyan, N., Sep 2019, In : IFAC-PapersOnLine. 52, 16, p. 718-723 6 p.

Research output: Contribution to journalConference article

Open Access
Controllers
Aerospace applications
Closed loop systems
Aircraft
Uncertainty
2012

Time-critical cooperative control of multiple autonomous vehicles: Robust distributed strategies for path-following control and time-coordination over dynamic communications networks

Xargay, E., Dobrokhodov, V., Kaminer, I., Pascoal, A. M., Hovakimyan, N. & Cao, C., Dec 1 2012, In : IEEE Control Systems. 32, 5, p. 49-73 25 p.

Research output: Contribution to journalReview article

Cooperative Control
Path Following
Autonomous Vehicles
Dynamic Networks
Communication Networks
2015

Flight envelope information-augmented display for enhanced pilot situation awareness

Ackerman, K. A., Seefeldt, B. D., Xargay, E., Talleur, D. A., Carbonari, R. S., Kirlik, A., Hovakimyan, N., Trujillo, A. C. & Gregory, I. M., Jan 1 2015, AIAA Infotech at Aerospace. American Institute of Aeronautics and Astronautics Inc., (AIAA Infotech at Aerospace).

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

Flight envelopes
Display devices
Automation
Transport aircraft
Aircraft
2016

A safe cooperative framework for atmospheric science missions with multiple heterogeneous uas using piecewise bezier curves

Mehdi, S. B., Puig-Navarro, J., Choe, R., Cichella, V., Hovakimyan, N., Chandarana, M., Trujillo, A., Rothhaar, P. M., Tran, L., Neilan, J. H. & Allen Danettett, B., Jan 1 2016, 16th AIAA Aviation Technology, Integration, and Operations Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-14 14 p. (16th AIAA Aviation Technology, Integration, and Operations Conference).

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

Productivity
Trajectories