Find Research Outputs

Search concepts
Selected Filters
2019

Recovery of desired flying characteristics with an l1 adaptive control law: Flight test results on calspan’s vss learjet

Ackerman, K. A., Navarro, J. P., 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

Recovery
System stability
Aircraft
Safe handling
Air
2012

Integration of dynamic flight envelope into the L1 adaptive control framework

Wang, X., Xargay, E., Hovakimyan, N. & Gregory, I. M., Dec 1 2012, AIAA Guidance, Navigation, and Control Conference 2012. (AIAA Guidance, Navigation, and Control Conference 2012).

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

Flight envelopes
Flight control systems
Aircraft
Controllers
System stability
2013

L1 backstepping for robust trajectory tracking ?

Mallikarjunan, S., Zuo, Z., Nesbitt, B. & Hovakimyan, N., Jan 1 2013, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 2, PART 1, p. 1-6 6 p.

Research output: Contribution to journalConference article

Backstepping
Trajectories
Controllers
Kinematics
Unmanned aerial vehicles (UAV)
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
2014

Flight envelope protection for NASA's transport class Model

Tekles, N., Xargay, E., Choe, R., Hovakimyan, N., Gregory, I. M. & Holzapfel, F., 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 envelopes
NASA
Aircraft
Structural integrity
Power control
2011

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
2019

A Multirate Adaptive Control for MIMO Systems with Application to Cyber-Physical Security

Jafarnejadsani, H., Lee, H., Hovakimyan, N. & Voulgaris, P. G., Jan 18 2019, 2018 IEEE Conference on Decision and Control, CDC 2018. Institute of Electrical and Electronics Engineers Inc., p. 6620-6625 6 p. 8619570. (Proceedings of the IEEE Conference on Decision and Control; vol. 2018-December).

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

Adaptive Control
Controller
Controllers
Output
Attack
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
2019

A path planning framework for a flying robot in close proximity of humans

Yoon, H. J., Widdowson, C., Marinho, T., Wang, R. F. & Hovakimyan, N., Jul 2019, 2019 American Control Conference, ACC 2019. Institute of Electrical and Electronics Engineers Inc., p. 5254-5259 6 p. 8815168. (Proceedings of the American Control Conference; vol. 2019-July).

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

Motion planning
Robots
Hidden Markov models
Trajectories
Testbeds
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
2010

L1 adaptive flight control system: Flight evaluation and technology transition

Xargay, E., Hovakimyan, N., Dobrokhodov, V., Kaminer, I., Gregory, I. M. & Cao, C., Dec 16 2010, AIAA Infotech at Aerospace 2010. 2010-3365. (AIAA Infotech at Aerospace 2010).

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

Adaptive control systems
Flight control systems
Aerospace applications
Plant shutdowns
Linear systems
2017

Automation situation awareness display for a flight envelope protection system

Ackerman, K. A., Talleur, D. A., Carbonari, R. S., Xargay, E., Seefeldt, B. D., Kirlik, A., Hovakimyan, N. & Trujillo, A. C., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 4, p. 964-980 17 p.

Research output: Contribution to journalArticle

flight envelopes
Flight envelopes
Situation Awareness
automation
Envelope
2016

Aircraft actuator fault detection and isolation using piecewise constant fault estimation scheme

Lee, H., Snyder, S., Patterson, A. & 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

Fault detection
Actuators
Aircraft
2010

Development of verification and validation approaches for ℒ 1 adaptive control: Multi-criteria optimization for filter design

Kim, K. K. K. & Hovakimyan, N., Dec 1 2010, AIAA Guidance, Navigation, and Control Conference. AIAA 2010-7691. (AIAA Guidance, Navigation, and Control Conference).

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

Specifications
Control theory
Time delay
Controllers
Uncertainty
2018

VR environment for the study of collocated interaction between small UAVs and humans

Widdowson, C., Yoon, H. J., Cichella, V., Wang, R. F. & Hovakimyan, N., Jan 1 2018, Advances in Human Factors in Robots and Unmanned Systems - Proceedings of the AHFE 2017 International Conference on Human Factors in Robots and Unmanned Systems, 2017. Chen, J. (ed.). Springer-Verlag, p. 348-355 8 p. (Advances in Intelligent Systems and Computing; vol. 595).

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

Unmanned aerial vehicles (UAV)
Robots
Virtual reality
Robotics
Planning
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
2010

Application of L1 adaptive controller to wing rock

Kharisov, E. & Hovakimyan, N., 2010, AIAA Infotech at Aerospace 2010. 2010-3395

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

Rocks
Controllers
Aerospace industry
Angle of attack
Uncertainty
2017

VirtualDrone: Virtual sensing, actuation, and communication for attack-resilient unmanned aerial systems

Yoon, M. K., Liu, B., Hovakimyan, N. & Sha, L., Apr 18 2017, Proceedings - 2017 ACM/IEEE 8th International Conference on Cyber-Physical Systems, ICCPS 2017 (part of CPS Week). Association for Computing Machinery, Inc, p. 143-154 12 p. (Proceedings - 2017 ACM/IEEE 8th International Conference on Cyber-Physical Systems, ICCPS 2017 (part of CPS Week)).

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

Antennas
Communication
Software architecture
Computer hardware
Actuators
2019

Towards resilient UAV: Escape time in GPS denied environment with sensor drift

Yoon, H. J., Wan, W., Kim, H., Hovakimyan, N., Sha, L. & Voulgaris, P. G., Oct 2019, In : IFAC-PapersOnLine. 52, 12, p. 423-428 6 p.

Research output: Contribution to journalConference article

Open Access
Unmanned aerial vehicles (UAV)
Global positioning system
Sensors
State estimation
Kalman filters
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

Cooperative Vision Based Tracking of multiple UAVs

Cichella, V., Kaminer, I., Dobrokhodov, V. & Hovakimyan, N., Sep 16 2013, AIAA Guidance, Navigation, and Control (GNC) Conference. (AIAA Guidance, Navigation, and Control (GNC) Conference).

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

Unmanned aerial vehicles (UAV)
Decentralized control
Angular velocity
Target tracking
Phase shift
2018

Silhouette-informed trajectory generation through a wire maze for small UAS

Puig-Navarro, J., Hovakimyan, N., Alexandrov, N. M. & Allen, B. D., Jan 1 2018, 2018 Aviation Technology, Integration, and Operations Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, AIAA 2018-3845. (2018 Aviation Technology, Integration, and Operations Conference).

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

Trajectories
Wire
Antennas
Motion planning
Specifications
2016

An L1 adaptive backup flight control law for transport aircraft with vertical-tail damage

Sun, D., Choe, R., Xargay, E. & 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

Transport aircraft
Aircraft
Aircraft models
NASA
Aerodynamics
2018

Load Capacity Improvements in Nucleic Acid Based Systems Using Discrete-Time Feedback Control

Jafarnejadsani, H., Kim, J., Kulkarni, V. & Hovakimyan, N., Jun 22 2018, 2018 5th International Conference on Control, Decision and Information Technologies, CoDIT 2018. Institute of Electrical and Electronics Engineers Inc., p. 1-6 6 p. (2018 5th International Conference on Control, Decision and Information Technologies, CoDIT 2018).

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

Nucleic acids
Discrete-time Systems
Feedback Control
Feedback control
Enzymes
2015

Robust regulation of heave-induced pressure oscillations in offshore MPD

Mahdianfar, H., Hovakimyan, N., Pavlov, A. & Aamo, O. M., Jul 1 2015, In : IFAC-PapersOnLine. 28, 6, p. 112-119 8 p.

Research output: Contribution to journalConference article

Oil well drilling
Drilling rigs
Test facilities
Drilling
Tuning
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
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
2017

Design of a flight envelope protection system for NASA's transport class model

Tekles, N., Chongvisal, J., Xargay, E., Choe, R., Talleur, D. A., Hovakimyan, N. & Belcastro, C. M., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 4, p. 863-877 15 p.

Research output: Contribution to journalArticle

flight envelopes
Flight envelopes
NASA
Envelope
aircraft
2012

A Lyapunov-based approach for Time-Coordinated 3D Path-Following of multiple quadrotors

Cichella, V., Kaminer, I., Xargay, E., Dobrokhodov, V., Hovakimyan, N., Aguiar, A. P. & Pascoal, A. M., Dec 1 2012, In : Proceedings of the IEEE Conference on Decision and Control. p. 1776-1781 6 p., 6425933.

Research output: Contribution to journalConference article

Time varying networks
Path Following
Unmanned aerial vehicles (UAV)
Lyapunov
Telecommunication networks
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
2014

L1 adaptive output feedback augmentation of Model Reference Control

Lee, H., Cichella, V. & Hovakimyan, N., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 697-702 6 p. 6859348. (Proceedings of the American Control Conference).

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

Feedback
Low pass filters
Control theory
Missiles
Closed loop systems
2016

Convex multi-objective filter optimization for output feedback L1 adaptive controller

Jafarnejadsani, H., Lee, H. & Hovakimyan, N., 2016, AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics Inc, AIAA

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

Feedback
Controllers
Closed loop systems
Adaptive systems
Low pass filters
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
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

L1 Adaptive controller for attitude control of multirotors

Mallikarjunan, S., Nesbitt, B., Kharisov, E., Xargay, E., Hovakimyan, N. & Cao, C., Dec 1 2012, AIAA Guidance, Navigation, and Control Conference 2012. (AIAA Guidance, Navigation, and Control Conference 2012).

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

Backstepping
Attitude control
Controllers
Robustness (control systems)
Kinematics
2015

Optimal filter design for a discrete-time formulation of L1-adaptive control

Jafarnejadsani, H. & Hovakimyan, N., 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

Uncertain systems
Low pass filters
Linear programming

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

L1 adaptive output regulator design with application to Managed Pressure Drilling

Mahdianfar, H., Hovakimyan, N., Pavlov, A. & Aamo, O. M., Jun 1 2016, In : Journal of Process Control. 42, p. 1-13 13 p.

Research output: Contribution to journalArticle

Drilling
Regulator
Disturbance
Adaptive Control
Filter Design
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
2018

Guaranteed Collision Avoidance Based on Line-of-Sight Angle and Time-to-Collision

Marinho, T., Amrouche, M., Cichella, V., Stipanovic, D. & Hovakimyan, N., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., p. 4305-4310 6 p. 8431871. (Proceedings of the American Control Conference; vol. 2018-June).

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

Collision avoidance
Animals
Cameras
Feedback
2015

Cooperative Path Following of Multiple Multirotors over Time-Varying Networks

Cichella, V., Kaminer, I., Dobrokhodov, V., Xargay, E., Choe, R., Hovakimyan, N., Aguiar, A. P. & Pascoal, A. M., Jul 1 2015, In : IEEE Transactions on Automation Science and Engineering. 12, 3, p. 945-957 13 p., 7065327.

Research output: Contribution to journalArticle

Time varying networks
Unmanned aerial vehicles (UAV)
Telecommunication networks
Topology
2019

Multi-Spectral Visual Odometry without Explicit Stereo Matching

Dai, W., Zhang, Y., Sun, D., Hovakimyan, N. & Li, P., Sep 2019, Proceedings - 2019 International Conference on 3D Vision, 3DV 2019. Institute of Electrical and Electronics Engineers Inc., p. 443-452 10 p. 8885483. (Proceedings - 2019 International Conference on 3D Vision, 3DV 2019).

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

Stereo Matching
Cameras
Camera
Textures
Lighting
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. 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
2019

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

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
2010

Verifiable adaptive flight control: Unmanned combat aerial vehicle and aerial refueling

Wang, J., Hovakimyan, N. & Cao, C., Jan 1 2010, In : Journal of Guidance, Control, and Dynamics. 33, 1, p. 75-87 13 p.

Research output: Contribution to journalArticle

flight control
Flight Control
combat
refueling
Unmanned aerial vehicles (UAV)
2015

Collision avoidance based on line-of-sight angle

Cichella, V., Marinho, T., Stipanović, D., Hovakimyan, N., Kaminer, I. & Trujillo, A., Feb 8 2015, 54rd IEEE Conference on Decision and Control,CDC 2015. Institute of Electrical and Electronics Engineers Inc., p. 6779-6784 6 p. 7403287. (Proceedings of the IEEE Conference on Decision and Control; vol. 54rd IEEE Conference on Decision and Control,CDC 2015).

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

Collision Avoidance
Collision avoidance
Angle
Fixed wings
Units of measurement
2018

Dual-rate L1 adaptive controller for cyber-physical sampled-data systems

Jafarnejadsani, H., Lee, H., Hovakimyan, N. & Voulgaris, P., Jan 18 2018, 2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017. Institute of Electrical and Electronics Engineers Inc., p. 6259-6264 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

Sampled-data Systems
Controller
Controllers
Uncertainty
Voltage regulators
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
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