papers

2021

Robust Data-Driven Output Feedback Control via Bootstrapped Multiplicative Noise

B. Gravell, I Shames, T. Summers
submitted, 2022 Conference on Learning for Dynamics and Control

Stochastic Stability via Robustness of Linear Systems

B. Gravell, T. Summers
accepted, IEEE Conference on Decision and Control

Anomaly Detection Under Multiplicative Noise Model Uncertainty

V. Renganathan, B. Gravell, J. Ruths, T. Summers
submitted, IEEE Control Systems Letters and American Control Conference

Risk-Averse RRT* Planning with Nonlinear Steering and Tracking Controllers for Nonlinear Robotic Systems Under Uncertainty (extended version)

S. Safaoui, B. Gravell, V. Renganathan, T. Summers
IEEE/RSJ International Conference on Intelligent Robotics and Systems

Shared Reality: Detecting Stealthy Attacks Against Autonomous Vehicles

R. Quinonez, S. Safaoui, T. Summers, B. Thuraisingham and A.A. Cardenas
Joint Workshop on CPS and IoT Security and Privacy, in conjunction with the ACM Conference on Computer and Communications Security

A Convex Optimization Framework for Robust-Feasible Series Elastic Actuators

E. Bolívar-Nieto, T. Summers, R. Gregg, S. Rezazadeh
Mechatronics

Identification of Linear Systems with Multiplicative Noise from Multiple Trajectory Data

Y. Xing, B. Gravell, X. He, K. Johansson, T. Summers
submitted, Automatica

Approximate Midpoint Policy Iteration for Linear Quadratic Control (extended version)

B. Gravell, I. Shames, T. Summers
2021 Conference on Learning for Dynamics and Control

Performance bounds for robust estimation using the H-infinity filter

K. Ganapathy, T. Summers
European Control Conference

Robustness of variance suppression in channel flows with imperfect transverse wall oscillations

D. Hewawaduge, T. Summers, A. Zare
American Control Conference

Centralized Collision-Free Polynomial Trajectories and Goal Assignment for Aerial Swarms (extended version)

B. Gravell, T. Summers
accepted, Control Engineering Practice

Actuator Placement under Structural Controllability using Forward and Reverse Greedy Algorithms

B. Guo, O. Karaca, T. Summers, M. Kamgarpour
accepted, IEEE Transaction on Automatic Control

Revisiting the Water Quality Sensor Placement Problem: Optimizing Network Observability and State Estimation Metrics

A. Taha, S. Wang, Y. Guo, T. Summers, N. Gatsis, M. Giacomoni, A. Abokifa
accepted, Journal of Water Resources Planning and Management

Sensor selection for dynamics-driven user-interface design

A. Vinod, A. Thorpe, P. Olaniyi, T. Summers, M. Oishi
accepted, IEEE Transactions on Control Systems Technology

Spoof resilient coordination in distributed and robust robotic networks

V. Renganathan, K. Fathian, S. Safaoui, T. Summers
accepted, IEEE Transactions on Control Systems Technology

Performance bounds for optimal feedback control performance and robustness in networks

K. Ganapathy, J. Ruths, T. Summers
accepted, IEEE Transactions on Control of Network Systems

Learning Optimal Controllers for Linear Quadratic Systems with Multiplicative Noise via Policy Gradient

B. Gravell, P. Mohajerin Esfahani, T. Summers
accepted, IEEE Transaction on Automatic Control

Robust Distributed Planar Formation Control for Higher-Order Holonomic and Nonholonomic Agents

K. Fathian, S. Safaoui, T. Summers, N. Gans
accepted, IEEE Transactions on Robotics

2020

Control Design for Risk-Based Signal Temporal Logic Specifications

S. Safaoui, L. Lindemann, D.V. Dimarogonas, I. Shames, T. Summers
IEEE Control Systems Letters

Policy Iteration for Linear Quadratic Games with Stochastic Parameters

B. Gravell, K. Ganapathy, T. Summers
IEEE Control Systems Letters

Optimal Pump Control for Water Distribution Networks via Data-based Distributional Robustness

Y. Guo, S. Wang, A. Taha, T. Summers
submitted, Automatica

Optimal Power Flow with State Estimation In-the-Loop for Distribution Networks

Y. Guo, X. Zhou, C. Zhao, L. Chen, T. Summers
submitted, IEEE Transactions on Power Systems

Robust Learning-Based Control via Bootstrapped Multiplicative Noise

B. Gravell, T. Summers
2020 Conference on Learning for Dynamics and Control, Berkeley, CA

Distributionally Robust Stochastic Optimal Water Flow and Risk Management

Y. Guo, T. Summers
2020 IFAC World Congress, Berlin, Germany

Robust Control Design for Linear Systems via Multiplicative Noise

B. Gravell, P. Mohajerin Esfahani, T. Summers
2020 IFAC World Congress, Berlin, Germany

Towards Integrated Perception and Motion Planning with Distributionally Robust Risk Constraints

V. Renganathan, I. Shames, T. Summers
2020 IFAC World Congress, Berlin, Germany

Hierarchical MPC with Coordinating Terminal Costs

V. Raghuraman, V. Renganathan, T. Summers, J. Koeln
2020 American Control Conference, Denver, CO

Linear System Identification under Multiplicative Noise from Multiple Trajectory Data

Y. Xing, B. Gravell, X. He, K. Johansson, T. Summers
2020 American Control Conference, Denver, CO

Solving Optimal Power Flow for Distribution Networks with State Estimation Feedback

Y. Guo, X. Zhou, C. Zhao, Y. Chen, T. Summers, L. Chen
American Control Conference, Denver, CO

Distributionally Robust Tuning of Anomaly Detectors in Cyber-Physical Systems with Stealthy Attacks

V. Renganathan, N. Hashemi, J. Ruths, T. Summers
2020 American Control Conference, Denver, CO

Stochastic Dynamic Programming for Wind Farm Power Maximization

Y. Guo, M. Rotea, T. Summers
2020 American Control Conference, Denver, CO

2019

Sparse optimal control of networks with multiplicative noise via policy gradient

B. Gravell, Y. Guo, T. Summers
IFAC Workshop on Distributed Estimation and Control in Networked Systems (NecSys), Chicago, IL

Actuator Placement for Optimizing Network Performance under Controllability Constraints

B. Guo, O. Karaca, T. Summers, M. Kamgarpour
IEEE Conference on Decision and Control, Nice, France

Robust Linear Quadratic Regulator: Exact Tractable Reformulation (extended version)

W. Jongeneel, T. Summers, P. M. Esfahani
IEEE Conference on Decision and Control, Nice, France

Distributed Formation Control via Mixed Barycentric Coordinate and Distance-Based Approach (video)

K. Fathian, D. Rachinskii, M. Spong, T. Summers, N. Gans
American Control Conference, Philadelphia, PA

A Performance and Stability Analysis of Low-inertia Power Grids with Stochastic System Inertia

Y. Guo, T. Summers
American Control Conference, Philadelphia, PA

Robust 3D Distributed Formation Control with Collision Avoidance and Application to Multirotor Aerial Vehicles (video)

K. Fathian, S. Safaoui, T. Summers, N. Gans
IEEE International Conference on Robotics and Automation, Montreal, Canada

Performance guarantees for greedy maximization of non-submodular set functions in systems and control

T. Summers, M. Kamgarpour
European Control Conference, Naples, Italy

Robust Optimal Design of Series Elastic Actuators: Application to a Powered Prosthetic Ankle

E. Bolivar, S. Rezazadeh, T. Summers, R. Gregg
IEEE/RAS-EMBS International Conference on Rehabilitation Robotics, Toronto, Canada

Data-based distributionally robust stochastic optimal power flow, Part I: Methodologies

Y. Guo, K. Baker, E. Dall'Anese, Z. Hu, T. Summers
IEEE Transactions on Power Systems

Data-based distributionally robust stochastic optimal power flow, Part II: Case Studies

Y. Guo, K. Baker, E. Dall'Anese, Z. Hu, T. Summers
IEEE Transactions on Power Systems

Algorithms for joint sensor and control nodes selection in dynamic networks

S. Nugroho, A. Taha. N. Gatsis, T. Summers, R. Krishnan
Automatica

2018

Robust distributed formation control for agents with higher-order dynamics

K. Fathian, T. Summers, N. Gans
IEEE Control Systems Letters (L-CSS) and IEEE Conference on Decision and Control, Miami, FL

Time-varying sensor and actuator selection for uncertain cyber-physical systems

A. Taha, N. Gatsis, T. Summers, N. Nugroho
IEEE Transactions on Control of Network Systems

Distributionally robust sampling-based motion planning under uncertainty

T. Summers
IEEE/RSJ International Conference on Intelligent Robots & Systems, Madrid, Spain

Minimax Iterative Dynamic Game: Application to Nonlinear Robot Control Tasks

O. Ogunmolu, N. Gans, T. Summers
IEEE/RSJ International Conference on Intelligent Robots & Systems, Madrid, Spain

Distributed formation control and navigation of fixed-wing UAVs at constant altitude

K. Fathian, T. Summers, N. Gans
International Conference on Unmanned Aircraft Systems, Dallas, TX

Concurrent goal assignment and collision-free trajectory generation for multiple aerial robots

B. Gravell, T. Summers
IFAC Workshop on Networked & Autonomous Air & Space Systems, Santa Fe, NM

Performance bounds for optimal feedback control in networks

T. Summers, J. Ruths
American Control Conference, Milwaukee, WI

Stochastic optimal power flow based on data-driven distributionally robust optimization

Y. Guo, K. Baker, E. Dall'Anese, Z. Hu, T. Summers
American Control Conference, Milwaukee, WI

Simultaneous sensor and actuator selection through output feedback control in dynamic networks

S. Nugroho, A. Taha, T. Summers, N. Gatsis
American Control Conference, Milwaukee, WI

2017

Mutually quadratically invariant information structures in two-team stochastic dynamic games

M. Colombino, R. Smith, T. Summers
IEEE Transactions on Automatic Control

Robustness margins and robust guided policy search for deep reinforcement learning

T. Summers, O. Ogunmolu, N. Gans
IEEE/RSJ International Conference on Intelligent Robots and Systems, Vancouver, Canada

Spoof resilient coordination for distributed multi-robot systems

V. Renganathan, T. Summers
International Symposium on Multi-Robot and Multi-Agent Systems, Los Angeles, CA, USA

The linear programming approach to reach-avoid problems for Markov Decision Processes

N. Kariotoglou, M. Kamgarpour, T. Summers, J. Lygeros
Journal of Artificial Intelligence Research

Information structure design in team decision problems

T. Summers, C. Li, M. Kamgarpour
IFAC World Congress, Toulouse, France

Infinite dimensional linear programming approach to stochastic control

M. Kamgarpour, T. Summers
IFAC World Congress, Toulouse, France

Distributed formation control under arbitrarily changing topology (video)

K. Fathian, D. Rachinskii, T. Summers, M. Spong, N. Gans
American Control Conference, Seattle, WA, USA

Actuator selection for cyber-physical systems

A. Taha, N. Gatsis, T. Summers, S. Nugroho
American Control Conference, Seattle, WA, USA

Security analysis of cyber-physical systems using H2 norm

I. Shames, F. Farokhi, T. Summers
IET Control Theory & Applications

Chance-constrained AC optimal power flow for distribution systems with renewables

E. Dall'Anese, K. Baker, T. Summers
IEEE Transactions on Power Systems

2016

Distribution-agnostic stochastic optimal power flow for distribution grids

K. Baker, E. Dall'Anese, T. Summers
North American Power Symposium, Denver, CO, USA

Convex relaxations and Gramian rank constraints for sensor and actuator selection

T. Summers, I. Shames
IEEE Multiconference on Systems and Control, Buenos Aires, Argentina

Optimal power flow for distribution systems under uncertain forecasts

E. Dall'Anese, T. Summers, K. Baker
IEEE Conference on Decision and Control, Las Vegas, Nevada, USA

Actuator placement in networks using optimal control performance metrics

T. Summers
IEEE Conference on Decision and Control, Las Vegas, Nevada, USA

Distributed control of cyclic formations with local relative position measurements

K. Fathian, D. Rachinskii, T. Summers, N. Gans
IEEE Conference on Decision and Control, Las Vegas, Nevada, USA

Stochastic control: A moment approach to sparse design

M. Kamgarpour, T. Summers
International Symposium on Mathematical Theory of Networks and Systems, Minneapolis, MN, USA

On submodularity and controllability in complex dynamical networks (correction)

T. Summers, F. Cortesi, J. Lygeros
IEEE Transactions on Control of Network Systems

Performance bounds for look-ahead power system dispatch using generalized multistage policies

P. Beuchat, J. Warrington, T. Summers, M. Morari
IEEE Transactions on Power Systems

User-interface design for MIMO LTI human-automation systems through sensor placement

A. Vinod, T. Summers, M. Oishi
American Control Conference, Boston, MA, USA

2015

Rigid network design via submodular set function optimization (correction)

I. Shames, T. Summers
IEEE Transactions on Network Science and Engineering

Stochastic optimal power flow based on conditional value at risk and distributional robustness

T. Summers, J. Warrington, M. Morari, J. Lygeros
International Journal of Electric Power and Energy Systems

Quadratic two-team games

M. Colombino, T. Summers, R. Smith
IEEE Conference on Decision and Control, Osaka, Japan

Topology design for optimal network coherence (correction)

T. Summers, I. Shames, J. Lygeros, F. Doerfler
European Control Conference, Linz, Austria

A modular AC pptimal power flow implementation for distribution grid planning

A. Hauswirth, J. Warrington, T. Summers, J. Lygeros, A. Kettner, A. Brenzikofer
IEEE PowerTech 2015, Eindhoven, The Netherlands

Conditions and strategies for uniqueness of the solutions to cooperative localization and mapping problems using rigidity theory

I. Shames, F. Farokhi, T. Summers, R. Shekhar
IEEE Conference on Decision and Control, Osaka, Japan

Upper bounds for the reach-avoid probability via robust optimization

N. Kariotoglou, M. Kamgarpour, T. Summers, J. Lygeros
arXiv manuscript

Security analysis of cyberphysical systems in the presence of impulsive attacks

I. Shames, T. Summers, F. Farokhi
Asian Control Conference, Kota Kinablu, Malaysia

2014

Submodularity of energy related controllability metrics

F. Cortesi, T. Summers, J. Lygeros
IEEE Conference on Decision and Control, Los Angeles, CA, USA

Optimal sensor and actuator placement in complex dynamical networks

T. Summers, J. Lygeros
IFAC World Congress, Cape Town, South Africa

Stochastic optimal power flow based on convex approximations of chance constraints

T. Summers, J. Warrington, M. Morari, J. Lygeros
Power Systems Computation Conference, Wroclaw, Poland

Manipulating factions evolved in signed networks

I. Shames, T. Summers, M. Cantoni
Mathematical Theory of Networks and Systems, Groningen, The Netherlands

RCopterX - Experimental validation of a distributed leader-follower MPC approach on a miniature helicopter testbed

S. Huck, M. Rueppel, T. Summers, J. Lygeros
European Control Conference, Strasbourg, France

2013

Active influence in dynamical models of structural balance in social networks

T. Summers, I. Shames
Europhysics Letters

Certifying non-existence of undesired locally stable equilibria in formation shape control problems

T. Summers, C. Yu, S. Dasgupta, B.D.O. Anderson
IEEE Multiconference on Systems and Control, Hyderabad, India

Stabilization of stiff formations with a mix of direction and distance constraints

A. Bishop, T. Summers, B.D.O. Anderson
IEEE Multiconference on Systems and Control, Hyderabad, India

Approximate dynamic programming for stochastic reachability

N. Kariotoglou, M. Kamgarpour, T. Summers, J. Lygeros
European Control Conference, Zurich, Switzerland

Fast model predictive control of miniature helicopters

K. Kunz, S. Huck, T. Summers
European Control Conference, Zurich, Switzerland

Performance bounds for constrained linear min-max control

T. Summers, P. Goulart
European Control Conference, Zurich, Switzerland

Approximate dynamic programming via sum of squares programming

T. Summers N. Kariotoglou, M. Kamgarpour, S. Summers, J. Lygeros
European Control Conference, Zurich, Switzerland

2012

Computational aspects of distributed model predictive control

C. Conte, T. Summers, M. Zeilinger, M. Morari, C. Jones
IEEE Conference on Decision and Control, Maui, HI, USA

Active influence in dynamical models of structural balance in social networks

T. Summers, I. Shames
Interdisciplinary Workshop on Information and Decision in Social Networks, Boston, MA, USA​

Control of triangle formations with a mix of angle and distance constraints

A. Bishop, T. Summers, B.D.O. Anderson
IEEE Multiconference on Systems and Control, Dubrovnik, Croatia

Distributed model predictive consensus via the alternating direction method of multipliers

T. Summers, J. Lygeros
Allerton Conference on Communication, Computing, and Control, Monticello, IL, USA

2011

Control of minimally persistent leader-remote-follower and coleader formations in the plane

T. Summers, C. Yu, S. Dasgupta, B.D.O. Anderson
IEEE Transactions on Automatic Control

Controlling rectangular formations

S. Dasgupta, C. Yu, B.D.O. Anderson, T. Summers
Australian Control Conference

2008 - 2010

Cooperative shape and orientation control of autonomous vehicle formations

T. Summers
PhD Dissertation, University of Texas at Austin, 2010

Controlling four agent formations

B.D.O. Anderson, C. Yu, S. Dasgupta, T. Summers
IFAC Workshop on Distributed Estimation and Control in Networked Systems, Annecy, France, 2010

Coordinated standoff tracking of moving targets: Control laws & information architectures

T. Summers, M. Akella, M. Mears
AIAA Journal of Guidance, Navigation, and Control, 2009

Addressing agent loss in vehicle formations & sensor networks

T. Summers, C. Yu, B.D.O. Anderson
International Journal of Robust and Nonlinear Control, 2009

Control of coleader formations in the plane

T. Summers, C. Yu, B.D.O. Anderson, S. Dasgupta
IEEE Conference on Decision and Control, Shanghai, China, 2009

Control of minimally persistent leader-remote-follower formations in the plane

T. Summers, C. Yu, B.D.O. Anderson, S. Dasgupta
European Control Conference, 2009

Robustness to agent loss in vehicle formations and sensor networks

T. Summers, C. Yu, B.D.O. Anderson
IEEE Conference on Decision and Control, Cancun, Mexico, 2008

Decentralized closing ranks in vehicle formations and sensor networks

T. Summers, C. Yu, B.D.O. Anderson
IEEE Mediterranean Control Conference, Ajaccio, France, 2008