Visible to the public Resilient Distributed Control of Multi-agent Cyber-Physical SystemsConflict Detection Enabled

TitleResilient Distributed Control of Multi-agent Cyber-Physical Systems
Publication TypeConference Paper
Year of Publication2013
AuthorsQuanyan Zhu, University of Illinois at Urbana-Champaign, Linda Bushnell, University of Washington, Tamer Başar, University of Illinois at Urbana-Champaign
Conference NameWorkshop on Control of Cyber-Physical Systems
Date Published03/2013
Conference LocationBaltimore, MD
Keywordscoupled riccati differential equations, Cyber-physical systems, differential games, games-in-games, multi-resolution games, Network security, NSA SoS Lablets Materials, resilient control sytems, science of security, secure control, Systems, Toward a Theory of Resilience in Systems: A Game-Theoretic Approach, UIUC

Abstract. Multi-agent cyber-physical systems (CPSs) are ubiquitous in modern infrastructure systems, including the future smart grid, transportation networks, and public health systems. Security of these systems are critical for normal operation of our society. In this paper, we focus on physical layer resilient control of these systems subject to cyber attacks and malicious behaviors of physical agents. We establish a cross-layer system model for the investigation of cross-layer coupling and performance interdependencies for CPSs. In addition, we study a twosystem synchronization problem in which one is a malicious agent who intends to mislead the entire system behavior through physical layer interactions. Feedback Nash equilibrium is used as the solution concept for the distributed control in the multi-agent system environment. We corroborate our results with numerical examples, which show the performance interdependencies between two CPSs through cyber and physical interactions.

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Resilient Distributed Control of Multi-agent Cyber-Physical Systems