期刊
IEEE TRANSACTIONS ON CYBERNETICS
卷 52, 期 7, 页码 6295-6306出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2020.3041267
关键词
Event-triggered; H-infinity consensus; model recovery anti-windup (MRAW); multiagent systems (MASs); output-feedback control
类别
资金
- Postgraduate Research & Practice Innovation Program of Jiangsu Province, China [KYCX190336]
- China Scholarship Council
This article addresses the output-based event-triggered cooperative output regulation problem for constrained linear heterogeneous multiagent systems. The H-infinity leader-following consensus with respect to exogenous signals is guaranteed, and the system performance is improved through a model recovery anti-windup technique. A comprehensive system integrating various components and a unified event-triggering mechanism are proposed. The frequency of data transmission is reduced, and no Zeno-behavior occurs. The resulting output-based event-triggered controller can be directly implemented in a digital platform.
The output-based event-triggered cooperative output regulation problem is addressed for constrained linear heterogeneous multiagent system in this article. In light of the robust control theory, H-infinity leader-following consensus with respect to exogenous signals, including both disturbance to be rejected and reference state of leader to be tracked, is guaranteed. Meanwhile, the system performance alleviates degradation through a model recovery anti-windup technique while encountering input saturation. Furthermore, the follower's self-state observer, the leader-state observer, and the anti-windup auxiliary system are integrated into a comprehensive system, and a unified event-triggering mechanism of full states is addressed. A fixed lower bound of sampled interval is adopted such that the frequency of data transmission gets reduced and no Zeno-behavior happens. Both the input and output of the follower's controller and anti-windup compensator hold constant, respectively, during the event-triggered intervals such that the resulting output-based event-triggered controller can be directly implemented in a digital platform. Finally, a simulation example is provided to illustrate the effectiveness.
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