Mode-Dependent State Observer-Based Prescribed Performance Control of Switched Systems

Di Cui, Choon Ki Ahn, Yani Sun, Zhengrong Xiang

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This article investigates the output feedback tracking control of switched nonlinear systems with partially unstable subsystems. Under the observation of a mode-dependent state observer, the prescribed performance tracking control is achieved using the barrier Lyapunov function method. By incorporating mode-dependent average dwell time switching stability methods, a novel switching law is designed to ensure the stability of switched systems, even when some subsystems are unstable. The proposed approach is endowed with features that allow certain parameters in the fuzzy observer to not satisfy Riccati-like inequalities and ensure the tracking error falls within a given range in a specified time. Finally, the envisioned strategy is implemented on the switched resistor-inductor-capacitor system, showcasing its efficacy and real-world applicability.

Original languageEnglish
Pages (from-to)1
Number of pages1
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
DOIs
Publication statusAccepted/In press - 2024

Bibliographical note

Publisher Copyright:
IEEE

Keywords

  • Control systems
  • Lyapunov methods
  • mode-dependent average dwell time
  • Observers
  • Power system stability
  • prescribed performance control
  • Stability criteria
  • state observer
  • Switched systems
  • Switched systems
  • Switches

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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