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Research Output 1991 2019

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Article
2019
Transfer functions
Feedback

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

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
Sensitivity analysis
Feedback
Control systems
Poles and zeros
Gages
2018

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

Cichella, V., Marinho, T., Stipanovic, D. M., 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

L1 Adaptive Output Feedback Augmentation for Missile Systems

Lee, H., Snyder, S. & Hovakimyan, N., Apr 2018, In : IEEE Transactions on Aerospace and Electronic Systems. 54, 2, p. 680-692 13 p.

Research output: Contribution to journalArticle

Missiles
Feedback
Control systems
Controllers
Uncertainty

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
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

Bottom hole pressure estimation and ℒ1 adaptive control in managed pressure drilling system

Li, Z., Hovakimyan, N. & Kaasa, G. O., Apr 2017, In : International Journal of Adaptive Control and Signal Processing. 31, 4, p. 545-561 17 p.

Research output: Contribution to journalArticle

Bottom hole pressure
Drilling
Well drilling
Controllers
Well pressure

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

Evaluation of an L1 adaptive flight control law on Calspan's variable-stability Learjet

Ackerman, K. A., Xargay, E., Choe, R., Hovakimyan, N., Cotting, M. C., Jeffrey, R. B., Blackstun, M. P., Fulkerson, T. P., Lau, T. R. & Stephens, S. S., Jan 1 2017, In : Journal of Guidance, Control, and Dynamics. 40, 4, p. 1050-1059 10 p.

Research output: Contribution to journalArticle

flight control
Flight Control
flight tests
test pilots
Adaptive Control

L1 adaptive control within a flight envelope protection system

Lee, H., Snyder, S. & Hovakimyan, N., 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

L1 adaptive output feedback control for underactuated MIMO systems

Lee, H., Cichella, V. & Hovakimyan, N., Jul 2017, In : IFAC-PapersOnLine. 50, 1, p. 5510-5515 6 p.

Research output: Contribution to journalArticle

MIMO systems
Feedback control
Low pass filters
Closed loop systems
Uncertainty

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

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
2016

A Visibility-Based Pursuit-Evasion Game with a Circular Obstacle

Bhattacharya, S., Basar, M. T. & Hovakimyan, N., Dec 1 2016, In : Journal of Optimization Theory and Applications. 171, 3, p. 1071-1082 12 p.

Research output: Contribution to journalArticle

Pursuit-evasion Games
Visibility
Game
Control Policy
Target tracking

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

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)

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

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
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

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

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
2014

Comparison of architectures and robustness of model reference adaptive controllers and L 1 adaptive controllers

Kharisov, E., Hovakimyan, N. & Åström, K. J., Jan 1 2014, In : International Journal of Adaptive Control and Signal Processing. 28, 7-8, p. 633-663 31 p.

Research output: Contribution to journalArticle

Robustness (control systems)
Controllers
Closed loop systems
Feedback

Load capacity improvements in nucleic acid based systems using partially open feedback control

Kulkarni, V., Kharisov, E., Hovakimyan, N. & Kim, J., Aug 15 2014, In : ACS synthetic biology. 3, 8, p. 617-626 10 p.

Research output: Contribution to journalArticle

Nucleic acids
Nucleic Acids
Feedback control
Enzymes
Synthetic Biology

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

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
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

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

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

Multicriteria analysis of an L1 adaptive flight control system

Dobrokhodov, V., Xargay, E., Hovakimyan, N., Kaminer, I., Cao, C. & Gregory, I. M., Apr 1 2013, In : Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering. 227, 4, p. 413-427 15 p.

Research output: Contribution to journalArticle

Adaptive control systems
Flight control systems
Research aircraft
Transport aircraft
Adaptive systems

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

Time-critical cooperative path following of multiple unmanned aerial vehicles over time-varying networks

Xargay, E., Kaminer, I., Pascoal, A., Hovakimyan, N., Dobrokhodov, V., Cichella, V., Aguiar, A. P. & Ghabcheloo, R., Mar 1 2013, In : Journal of Guidance, Control, and Dynamics. 36, 2, p. 499-516 18 p.

Research output: Contribution to journalArticle

Time varying networks
pilotless aircraft
Path Following
Unmanned aerial vehicles (UAV)
Time-varying

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
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

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

L 1 adaptive controller for uncertain nonlinear multi-input multi-output systems with input quantization

Sun, H., Hovakimyan, N. & Basar, M. T., Mar 1 2012, In : IEEE Transactions on Automatic Control. 57, 3, p. 565-578 14 p., 5892877.

Research output: Contribution to journalArticle

Controllers
Feedback
2011

Experimental validation of L1 adaptive control: The Rohrs counterexample in flight

Dobrokhodov, V., Kaminer, I., Kitsios, I., Xargay, E., Hovakimyan, N., Cao, C., Gregory, I. M. & Valavani, L., Sep 1 2011, In : Journal of Guidance, Control, and Dynamics. 34, 5, p. 1311-1328 18 p.

Research output: Contribution to journalArticle

flight control
adaptive control
Experimental Validation
Adaptive Control
Counterexample

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

Active control of visual sensor for navigation and guidance

Cao, C., Hovakimyan, N. & Evers, J., Jan 1 2010, In : Computational Management Science. 7, 1, p. 85-110 26 p.

Research output: Contribution to journalArticle

Navigation
Aircraft
Sensors
Bearings (structural)
Cameras

Adaptive vision-based guidance law with guaranteed performance bounds

Ma, L., Cao, C., Hovakimyan, N., Dobrokhodov, V. & Kaminer, I., May 1 2010, In : Journal of Guidance, Control, and Dynamics. 33, 3, p. 834-852 19 p.

Research output: Contribution to journalArticle

Guidance Law
Performance Bounds
Adaptive systems
Unmanned aerial vehicles (UAV)
Target

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

Fast estimation for range identification in the presence of unknown motion parameters

Ma, L., Cao, C., Hovakimyan, N., Woolsey, C. & Dixon, W. E., Apr 1 2010, In : IMA Journal of Applied Mathematics (Institute of Mathematics and Its Applications). 75, 2, p. 165-189 25 p.

Research output: Contribution to journalArticle

Parameter estimation
Unknown
Motion
Range of data
Estimator

Guaranteed strategies for nonlinear multi-player pursuit-evasion games

Stipanovic, 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

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

Stability margins of L 1 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

Synthesis of robust tunable oscillators using mitogen activated protein kinase cascades

Kulkarni, V. V., Paranjape, A., Ghusinga, K. R. & Hovakimyan, N., Dec 1 2010, In : Systems and Synthetic Biology. 4, 4, p. 331-341 11 p.

Research output: Contribution to journalArticle

Mitogen-Activated Protein Kinases
Proteins
Feedback
Hopf bifurcation
Eukaryotic Cells

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)
2009

L1 adaptive controller for tailless unstable aircraft in the presence of unknown actuator failures

Patel, V. V., Cao, C., Hovakimyan, N., Wise, K. A. & Lavretsky, E., Apr 1 2009, In : International Journal of Control. 82, 4, p. 705-720 16 p.

Research output: Contribution to journalArticle

Actuators
Aircraft
Model reference adaptive control
Military aircraft
Controllers
automatic pilots
Autopilot
reference systems
missiles
Adaptive systems