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Research Output 1992 2019

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Article
2019

Discovering the topology of complex networks via adaptive estimators

Burbano Lombana, D. A., Freeman, R. A. & Lynch, K. M., Aug 1 2019, In : Chaos. 29, 8, 083121.

Research output: Contribution to journalArticle

Open Access
Adaptive Estimator
Complex networks
estimators
Complex Networks
topology

Distributed Environmental Monitoring With Finite Element Robots

Elwin, M., Freeman, R. A. & Lynch, K. M., Jan 1 2019, (Accepted/In press) In : IEEE Transactions on Robotics.

Research output: Contribution to journalArticle

Robots
Monitoring
Communication
Electric fuses
Mobile robots
2 Citations (Scopus)

Tutorial on Dynamic Average Consensus: The Problem, Its Applications, and the Algorithms

Kia, S. S., Van Scoy, B., Cortes, J., Freeman, R. A., Lynch, K. M. & Martinez, S., Jun 1 2019, In : IEEE Control Systems. 39, 3, p. 40-72 33 p., 8716798.

Research output: Contribution to journalArticle

Sensing
Electric fuses
Local Computation
Health care
Smart Grid
2018
9 Citations (Scopus)

The fastest known globally convergent first-order method for minimizing strongly convex functions

Von Scoy, B., Freeman, R. A. & Lynch, K. M., Jan 1 2018, In : IEEE Control Systems Letters. 2, 1, p. 49-54 6 p.

Research output: Contribution to journalArticle

Convex function
First-order
Gradient Descent
Convex optimization
Gradient
2016
11 Citations (Scopus)

Distributed Synchronization of Heterogeneous Oscillators on Networks with Arbitrary Topology

Mallada, E., Freeman, R. A. & Tang, A. K., Mar 1 2016, In : IEEE Transactions on Control of Network Systems. 3, 1, p. 12-23 12 p., 7100877.

Research output: Contribution to journalArticle

Synchronization
Topology
Arbitrary
Phase Error
Global Analysis
2013
6 Citations (Scopus)

Revisiting the iiss small-gain theorem through transient plus iss small-gain regulation

Ito, H., Freeman, R. A. & Chaillet, A., Jan 1 2013, In : Asian Journal of Control. 15, 1, p. 11-19 9 p.

Research output: Contribution to journalArticle

Nonlinear control systems
Gain control
Asymptotic stability
Feedback
2010
201 Citations (Scopus)

Decentralized estimation and control of graph connectivity for mobile sensor networks

Yang, P., Freeman, R. A., Gordon, G. J., Lynch, K. M., Srinivasa, S. S. & Sukthankar, R., Feb 1 2010, In : Automatica. 46, 2, p. 390-396 7 p.

Research output: Contribution to journalArticle

Sensor networks
Wireless networks
Robots
Buoys
Oil spills
2008
198 Citations (Scopus)

Decentralized environmental modeling by mobile sensor networks

Lynch, K. M., Schwartz, I. B., Yang, P. & Freeman, R. A., Jun 1 2008, In : IEEE Transactions on Robotics. 24, 3, p. 710-724 15 p.

Research output: Contribution to journalArticle

Sensor networks
Wireless networks
Sensors
Computer simulation
Telecommunication networks
225 Citations (Scopus)

Multi-agent coordination by decentralized estimation and control

Yang, P., Freeman, R. A. & Lynch, K. M., Dec 1 2008, In : IEEE Transactions on Automatic Control. 53, 11, p. 2480-2496 17 p.

Research output: Contribution to journalArticle

Statistics
Controllers
Mobile agents
Topology
2007
9 Citations (Scopus)

Stability of nonlinear feedback systems: A new small-gain theorem

Chen, A. L., Chen, G. Q. & Freeman, R. A., Dec 1 2007, In : SIAM Journal on Control and Optimization. 46, 6, p. 1995-2012 18 p.

Research output: Contribution to journalArticle

Small Gain Theorem
Nonlinear feedback
Feedback Systems
Nonlinear Systems
Robust Stability
2004

Conditional gain is necessary and sufficient for the robust stabilization of nonlinear systems

Chen, A. L., Chen, G. Q. & Freeman, R. A., Dec 1 2004, In : Proceedings of the IEEE Conference on Decision and Control. 2, p. 1347-1351 5 p.

Research output: Contribution to journalArticle

Robust Stabilization
Nonlinear systems
Stabilization
Nonlinear Systems
Robust Stability
2 Citations (Scopus)
Dissipativity
Sufficient
Nonlinear Filters
Performance Measures
Relationships
40 Citations (Scopus)

On the Role of Dissipation in Haptic Systems

Miller, B. E., Colgate, E. & Freeman, R. A., Jan 1 2004, In : IEEE Transactions on Robotics. 20, 4, p. 768-771 4 p.

Research output: Contribution to journalArticle

Display devices
2002
5 Citations (Scopus)

Uniting local and global controllers for uncertain nonlinear systems: Beyond global inverse optimality

Ito, H. & Freeman, R. A., Jan 15 2002, In : Systems and Control Letters. 45, 1, p. 59-79 21 p.

Research output: Contribution to journalArticle

Nonlinear systems
Robust control
Controllers
Backstepping
Robustness (control systems)
2001
8 Citations (Scopus)
Small Gain Theorem
Performance Analysis
Nonlinear systems
Nonlinear Systems
Robust Stability
15 Citations (Scopus)

State-dependent scaling design for a unified approach to robust backstepping

Ito, H. & Freeman, R. A., Jun 1 2001, In : Automatica. 37, 6, p. 843-855 13 p.

Research output: Contribution to journalArticle

Backstepping
Robust control
Nonlinear systems
Stabilization
Feedback
2000
1 Citation (Scopus)

Adaptive minimum cost-Lyapunov-descent control of nonlinear systems

Rawls, V. L. & Freeman, R. A., Dec 1 2000, In : Proceedings of the American Control Conference. 3, p. 1649-1653 5 p.

Research output: Contribution to journalArticle

Nonlinear systems
Costs
Controllers
2 Citations (Scopus)
Cost reduction
Nonlinear systems
Stabilization
98 Citations (Scopus)

Guaranteed stability of haptic systems with nonlinear virtual environments

Miller, B. E., Colgate, E. & Freeman, R. A., Dec 1 2000, In : IEEE Transactions on Robotics and Automation. 16, 6, p. 712-719 8 p.

Research output: Contribution to journalArticle

Virtual reality
Stiffness
1999
Uncertain Nonlinear Systems
Uncertain systems
Cost reduction
Lyapunov
Controller
7 Citations (Scopus)

New look at robust backstepping through state-dependent scaling design

Ito, H. & Freeman, R. A., Dec 1 1999, In : Proceedings of the American Control Conference. 1, p. 11-16 6 p.

Research output: Contribution to journalArticle

Backstepping
Robust control
Nonlinear systems
Stabilization
Feedback
18 Citations (Scopus)
Display devices
Stiffness
1998
55 Citations (Scopus)

Integrator backstepping for bounded controls and control rates

Freeman, R. A. & Praly, L., Dec 1 1998, In : IEEE Transactions on Automatic Control. 43, 2, p. 258-262 5 p.

Research output: Contribution to journalArticle

Backstepping
State feedback
Feedback control
Derivatives
67 Citations (Scopus)

Robustness of Adaptive Nonlinear Control to Bounded Uncertainties

Freeman, R. A., Krstić, M. & Kokotović, P. V., Jan 1 1998, In : Automatica. 34, 10, p. 1227-1230 4 p.

Research output: Contribution to journalArticle

Nonlinear systems
Tuning
Uncertainty
1997
3 Citations (Scopus)

Achieving maximum regions of attraction for unstable linear systems with control constraints

Barbu, C., Cheng, J. J. & Freeman, R. A., Jan 1 1997, In : Proceedings of the American Control Conference. 1, p. 848-852 5 p.

Research output: Contribution to journalArticle

Feedback control
Linear systems
Controllability
Actuators
Aircraft
1 Citation (Scopus)
Lyapunov
Stabilization
Controller
Controllers
Costs
1996
260 Citations (Scopus)

Inverse optimality in robust stabilization

Freeman, R. A. & Kokotovic, P. V., Jan 1 1996, In : SIAM Journal on Control and Optimization. 34, 4, p. 1365-1391 27 p.

Research output: Contribution to journalArticle

Control Lyapunov Function
Robust Stabilization
Lyapunov functions
Robust control
Robust Control
66 Citations (Scopus)

Tracking controllers for systems linear in the unmeasured states

Freeman, R. A. & Kokotović, P. V., Jan 1 1996, In : Automatica. 32, 5, p. 735-746 12 p.

Research output: Contribution to journalArticle

Controllers
State feedback
Nonlinear systems
Rotors
Trajectories
1995
59 Citations (Scopus)
State feedback
Controllers
Sensors
Nonlinear systems
Actuators
15 Citations (Scopus)

Robust integral control for a class of uncertain nonlinear systems

Freeman, R. A. & Kokotovic, P. V., Dec 1 1995, In : Proceedings of the IEEE Conference on Decision and Control. 3, p. 2245-2250 6 p.

Research output: Contribution to journalArticle

Uncertain Nonlinear Systems
Nonlinear systems
Parameterization
Controller
Controllers
1994
8 Citations (Scopus)

Robust control Lyapunov functions: the measurement feedback case

Freeman, R. A. & Kokotovic, P. V., Dec 1 1994, In : Proceedings of the IEEE Conference on Decision and Control. 4, p. 3533-3538 6 p.

Research output: Contribution to journalArticle

Control Lyapunov Function
Lyapunov functions
Robust control
Robust Control
Feedback
16 Citations (Scopus)

Tools and procedures for robust control of nonlinear systems

Freeman, R. A. & Kokotovic, P. V., Dec 1 1994, In : Proceedings of the IEEE Conference on Decision and Control. 4, p. 3458-3463 6 p.

Research output: Contribution to journalArticle

Robust control
Robust Control
Nonlinear systems
Nonlinear Systems
Control Lyapunov Function
1993
99 Citations (Scopus)

Design of 'softer' robust nonlinear control laws

Freeman, R. A. & Kokotovic, P. V., Jan 1 1993, In : Automatica. 29, 6, p. 1425-1437 13 p.

Research output: Contribution to journalArticle

Lyapunov functions
Backstepping
Nonlinear systems
Feedback