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International Journal of Sensors, Wireless Communications and Control

Editor-in-Chief

ISSN (Print): 2210-3279
ISSN (Online): 2210-3287

Event-based Semi-global Consensus of Discrete-time Multi-agent Systems via Low-gain Control

Author(s): Liangyin Zhang and Michael Z. Q. Chen

Volume 5, Issue 2, 2015

Page: [81 - 94] Pages: 14

DOI: 10.2174/2210327905666150608225731

Price: $65

Abstract

This paper investigates the problem of event-based consensus of discretetime multi-agent systems with general linear dynamics subject to actuator saturation. Leader-following and leaderless semi-global consensus are achieved by a distributed event-trigger strategy for the multi-agent systems. In spite of the input saturation constraint, it is shown that feedback control updating is unnecessary until an event is triggered. The combinational-state variables and the Riccati equation are used to construct a Lyapunov function and to design the event-triggering conditions and the low-gain control laws. Numerical examples are provided to illustrate the theoretical results.

Keywords: Event-triggered control, Input saturation, Riccati equation, Semi-global consensus.

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