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Research Output 1992 2019

2019

A distributed adaptive observer for leader-follower networks

Burbano-L, D. A., Freeman, R. A. & Lynch, K. M., Jul 1 2019, 2019 American Control Conference, ACC 2019. Institute of Electrical and Electronics Engineers Inc., p. 2722-2727 6 p. 8815315. (Proceedings of the American Control Conference; vol. 2019-July).

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

Attitude control
Communication
Lyapunov functions
Parallel algorithms
Spacecraft

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

Inferring Private Information in Wireless Sensor Networks

Burbano-L, D. A., George, J., Freeman, R. A. & Lynch, K. M., May 1 2019, 2019 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 4310-4314 5 p. 8683597. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 2019-May).

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

Sliding mode control
Sensor nodes
Parallel algorithms
Parameter estimation
Sensor networks
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

Distributed Fault Detection and Accommodation in Dynamic Average Consensus

George, J., Elwin, M., Freeman, R. A. & Lynch, K. M., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., p. 5019-5024 6 p. 8431903. (Proceedings of the American Control Conference; vol. 2018-June).

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

Fault detection
Autonomous agents
Communication
Remediation
1 Citation (Scopus)

Inferring the network topology of interconnected nonlinear units with diffusive couplings

Burbano-L, D. A., Freeman, R. A. & Lynch, K. M., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., p. 3398-3403 6 p. 8431266. (Proceedings of the American Control Conference; vol. 2018-June).

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

Lyapunov functions
Topology
Computer simulation
1 Citation (Scopus)

Noncausal Zames-Falb Multipliers for Tighter Estimates of Exponential Convergence Rates

Freeman, R. A., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., p. 2984-2989 6 p. 8430801. (Proceedings of the American Control Conference; vol. 2018-June).

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

Nonlinear feedback
Asymptotic stability
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
2017
2 Citations (Scopus)

Distributed Voronoi Neighbor Identification From Inter-Robot Distances

Elwin, M., Freeman, R. A. & Lynch, K. M., 2017, IEEE Robotics and Automation Letters. IEEE, p. 1320-1327 8 p.

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

Robots
Computational complexity
Robotics
Sensors
12 Citations (Scopus)

Robust dynamic average consensus algorithm for signals with bounded derivatives

George, J., Freeman, R. A. & Lynch, K. M., Jun 29 2017, 2017 American Control Conference, ACC 2017. Institute of Electrical and Electronics Engineers Inc., p. 352-357 6 p. 7962978

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

Derivatives
Communication
Topology
Computer simulation
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
3 Citations (Scopus)

Environmental estimation with distributed finite element agents

Elwin, M., Freeman, R. A. & Lynch, K. M., Dec 27 2016, 2016 IEEE 55th Conference on Decision and Control, CDC 2016. Institute of Electrical and Electronics Engineers Inc., p. 5918-5924 7 p. 7799180. (2016 IEEE 55th Conference on Decision and Control, CDC 2016).

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

Chemical elements
Finite Element
Estimate
Inverse Method
Variational Methods
2 Citations (Scopus)

Exploiting memory in dynamic average consensus

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Apr 4 2016, 2015 53rd Annual Allerton Conference on Communication, Control, and Computing, Allerton 2015. Institute of Electrical and Electronics Engineers Inc., p. 258-265 8 p. 7447013

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

Data storage equipment
Real variables
Cutoff frequency
Error analysis
Costs
1 Citation (Scopus)

Feedforward estimators for the distributed average tracking of bandlimited signals in discrete time with switching graph topology

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Dec 27 2016, 2016 IEEE 55th Conference on Decision and Control, CDC 2016. Institute of Electrical and Electronics Engineers Inc., p. 4284-4289 6 p. 7798918. (2016 IEEE 55th Conference on Decision and Control, CDC 2016).

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

Feedforward
Discrete-time
Topology
Estimator
Graph in graph theory
2015
7 Citations (Scopus)

A fast robust nonlinear dynamic average consensus estimator in discrete time

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Oct 1 2015, In : IFAC-PapersOnLine. 28, 22, p. 191-196 6 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)

Design of robust dynamic average consensus estimators

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Feb 8 2015, 54rd IEEE Conference on Decision and Control,CDC 2015. Institute of Electrical and Electronics Engineers Inc., p. 6269-6275 7 p. 7403206

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

Estimator
Topology
Root loci
Initial conditions
Asymptotic Convergence

Generalized state-dependent scaling: Backstepping for local optimality, global inverse optimality, and global robust stability

Itot, H. & Freeman, R. A., Mar 24 2015, European Control Conference, ECC 1999 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1669-1674 6 p. 7099554

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

Backstepping
Nonlinear systems
Robust control
Linearization
Feedback
4 Citations (Scopus)

Optimal worst-case dynamic average consensus

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Jan 1 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-July. p. 5324-5329 6 p. 7172171

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

Polynomials
Linear matrix inequalities
Topology
2014
4 Citations (Scopus)

Asymptotic mean ergodicity of average consensus estimators

Van Scoy, B., Freeman, R. A. & Lynch, K. M., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 4696-4701 6 p. 6859059

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

Statistics
2 Citations (Scopus)

Worst-case optimal average consensus estimators for robot swarms

Elwin, M., Freeman, R. A. & Lynch, K. M., Jan 1 2014, IROS 2014 Conference Digest - IEEE/RSJ International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 3814-3819 6 p. 6943098

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

Topology
Robots
Error analysis
Sensor networks
Telecommunication networks
2013
4 Citations (Scopus)

A global attractor consisting of exponentially unstable equilibria

Freeman, R. A., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 4855-4860 6 p. 6580590

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

7 Citations (Scopus)

A systematic design process for internal model average consensus estimators

Elwin, M. L., Freeman, R. A. & Lynch, K. M., Jan 1 2013, 2013 IEEE 52nd Annual Conference on Decision and Control, CDC 2013. Institute of Electrical and Electronics Engineers Inc., p. 5878-5883 6 p. 6760816. (Proceedings of the IEEE Conference on Decision and Control).

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

Design Process
Internal
Estimator
Information use
Robust control

Experimental validation of multi-agent coordination by decentralized estimation and control

Hwang, M., Elwin, M. L., Yang, P., Freeman, R. A. & Lynch, K. M., 2013, Networking Humans, Robots, and Environments. Chong, N. Y. (ed.). Bentham Publishing, p. 59-75

Research output: Chapter in Book/Report/Conference proceedingChapter

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
2011
41 Citations (Scopus)

Distributed Kalman filtering using the internal model average consensus estimator

Bai, H., Freeman, R. A. & Lynch, K. M., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 1500-1505 6 p. 5991484

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

Kalman filters
Error analysis
Dynamical systems
11 Citations (Scopus)

Estimation and control of UAV swarms for distributed monitoring tasks

Morbidi, F., Freeman, R. A. & Lynch, K. M., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 1069-1075 7 p. 5991398

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

Unmanned aerial vehicles (UAV)
Controllers
Monitoring

Nonlinear and Adaptive Control with Applications, by A. Astolfi, D. Karagiannis, and R. Ortega

Freeman, R. A., Apr 2011, In : IEEE Control Systems. 31, 2

Research output: Contribution to journalBook/Film/Article review

2010
13 Citations (Scopus)

A complete characterization of a class of robust linear average consensus protocols

Freeman, R. A., Nelson, T. R. & Lynch, K. M., Oct 15 2010, Proceedings of the 2010 American Control Conference, ACC 2010. p. 3198-3203 6 p. 5530780

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

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
5 Citations (Scopus)

Interpreting the iISS small-gain theorem as transient plus ISS small-gain regulation

Ito, H., Freeman, R. A. & Chaillet, A., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 2432-2437 6 p. 5717732. (Proceedings of the IEEE Conference on Decision and Control).

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

Small Gain Theorem
Gain control
Feedback
Interconnection
Subsystem

Lyapunov design

Freeman, R. A. & Kokotović, P. V., Jan 1 2010, The Control Systems Handbook: Control System Advanced Methods, Second Edition. CRC Press, p. 1103-1116 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Lyapunov functions
Feedback
Nonlinear control systems
State feedback
Nonlinear systems
95 Citations (Scopus)

Robust dynamic average consensus of time-varying inputs

Bai, H., Freeman, R. A. & Lynch, K. M., Dec 1 2010, 2010 49th IEEE Conference on Decision and Control, CDC 2010. p. 3104-3109 6 p. 5717485. (Proceedings of the IEEE Conference on Decision and Control).

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

Time-varying
Estimator
Directly proportional
Initialization
Consensus Problem
2009

Decentralized H1 filtering in a multi-agent system

Nelson, T. R. & Freeman, R. A., 2009, Proceedings of the 2009 American Control Conference.

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

2 Citations (Scopus)

Set-valued estimation for mobile sensor networks

Nelson, T. R. & Freeman, R. A., Dec 1 2009, Proceedings of the 48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009. p. 2681-2686 6 p. 5400044

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

Mobile Sensor Networks
Sensor networks
Wireless networks
Estimation Algorithms
Controllers
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
35 Citations (Scopus)

Decentralized estimation and control of graph connectivity in mobile sensor networks

Yang, P., Freeman, R. A., Gordon, G. J., Lynch, K. M., Srinivasa, S. S. & Sukthankar, R., Sep 30 2008, 2008 American Control Conference, ACC. p. 2678-2683 6 p. 4586897. (Proceedings of the American Control Conference).

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

Sensor networks
Wireless networks
Robots
Buoys
Oil spills
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
2 Citations (Scopus)

A general stability condition for multi-agent coordination by coupled estimation and control

Yang, P., Freeman, R. A. & Lynch, K. M., Dec 1 2007, Proceedings of the 2007 American Control Conference, ACC. p. 723-728 6 p. 4283065

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

Controllers
Motion control
Telecommunication networks
Feedback
Communication
74 Citations (Scopus)

Distributed cooperative active sensing using consensus filters

Yang, P., Freeman, R. A. & Lynch, K. M., Nov 27 2007, 2007 IEEE International Conference on Robotics and Automation, ICRA'07. p. 405-410 6 p. 4209125. (Proceedings - IEEE International Conference on Robotics and Automation).

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

Sensors
Time measurement
Parallel algorithms
Kalman filters
Telecommunication networks
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
2006
73 Citations (Scopus)

Distributed estimation and control of swarm formation statistics

Freeman, R. A., Peng, Y. & Lynch, K. M., Dec 1 2006, Proceedings of the 2006 American Control Conference. p. 749-755 7 p. 1655446. (Proceedings of the American Control Conference; vol. 2006).

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

Statistics
Robots
Telecommunication networks
Topology
Controllers
18 Citations (Scopus)

Optimal information propagation in sensor networks

Yang, P., Freeman, R. A. & Lynch, K. M., Dec 27 2006, Proceedings 2006 IEEE International Conference on Robotics and Automation, ICRA 2006. Vol. 2006. p. 3122-3127 6 p. 1642176

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

Sensor networks
Small-world networks
Communication
Linear programming
Telecommunication links
226 Citations (Scopus)

Stability and convergence properties of dynamic average consensus estimators

Freeman, R. A., Yang, P. & Lynch, K. M., Dec 1 2006, Proceedings of the 45th IEEE Conference on Decision and Control 2006, CDC. p. 398-403 6 p. 4177692. (Proceedings of the IEEE Conference on Decision and Control).

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

Telecommunication networks
Topology
2005
1 Citation (Scopus)

Introducing a constructivist approach to applying programming skills in engineering analysis

McKenna, A. F., Nocedal, J., Freeman, R. A. & Carr, S. H., Dec 1 2005, Proceedings - Frontiers in Education, 35th Annual Conference: Pedagogies and Technologies for the Emerging Global Economy, FIE'05. Vol. 2005. 1611958

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

programming
Students
engineering
instruction
student
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

On the necessity of the small-gain theorem for nonlinear systems without fading memory

Freeman, R. A., Oct 2001, Proceedings of the 39th Annual Allerton Conference on Communication, Control, and Computing.

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