Decentralized event-triggered control of large-scale nonlinear systems

Tengfei Liu, Zhong Ping Jiang, Pengpeng Zhang

Research output: Contribution to journalArticle

Abstract

This paper studies the decentralized event-triggered control of large-scale nonlinear systems. We consider a class of decentralized control systems that are transformable into an interconnection of input-to-state stable subsystems with the sampling errors as the inputs. The sampling events for each subsystem are triggered by a threshold signal, and the threshold signals for the subsystems are independent with each other for the decentralized implementation. By appropriately designing the event-triggering mechanisms, it is shown that infinitely fast sampling can be avoided for each subsystem and asymptotic regulation is achievable for the large-scale system. The proposed design is based on the ISS small-gain arguments, and is validated by a benchmark example of controlling two coupled inverted pendulums.

Original languageEnglish (US)
Pages (from-to)1451-1466
Number of pages16
JournalInternational Journal of Robust and Nonlinear Control
Volume30
Issue number4
DOIs
StatePublished - Mar 10 2020

Keywords

  • decentralized control
  • event-triggered control
  • input-to-state stability (ISS)
  • large-scale systems
  • nonlinear systems
  • small-gain theorem

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Chemical Engineering(all)
  • Biomedical Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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