Decentralized Event-Triggered Broadcasts over Networked Control Systems

Authors:
Xiaofeng Wang;Michael D. Lemmon
Affiliations:
Department of Electrical Engineering, University of Notre Dame, Notre Dame, USA 46556;Department of Electrical Engineering, University of Notre Dame, Notre Dame, USA 46556
Venue:
HSCC '08 Proceedings of the 11th international workshop on Hybrid Systems: Computation and Control
Year:
2008

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Abstract

This paper examines event-triggered broadcasting of state information in distributed networked systems. Event-triggering has the agent broadcast its state information when its local "error" signal exceeds a given threshold. We present a decentralized approach for determining event-triggering thresholds for nonlinear subsystems with the assumption that each agent only has access to its local state. The main results of this paper show that our decentralized event triggering scheme guarantees the asymptotic stability of the entire networked control system.