Event‐triggered stabilization for systems with an unknown control direction

Author:

Zhu Lijun1ORCID,Chen Zhiyong2ORCID

Affiliation:

1. School of Artificial intelligence and Automation Huazhong University of Science and Technology Wuhan China

2. School of Engineering University of Newcastle Callaghan New South Wales Australia

Abstract

AbstractIn this article, we present an event‐triggered control law for systems with an unknown control direction, where the adaptation dynamics of the Nussbaum gain are sampled. Specifically, we employ the emulation method and introduce a specific set of sampling errors. This approach enables the design of an event‐triggered law without encountering Zeno behavior. Additionally, we introduce a lemma to address the non‐integrability issue of the Nussbaum gain dynamics during the event‐triggered law design. We apply this design philosophy to co‐design both the continuous‐time controller and the event‐triggered law, aiming to achieve the global stabilization of systems with an unknown control direction. Finally, we validate the theoretical results through a numerical example.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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