Smooth output feedback stabilization for a class of nonlinear systems with time-varying powers

Chih Chiang Chen, Chunjiang Qian*, Xiangze Lin, Zong Yao Sun, Yew-Wen Liang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

This paper investigates the global asymptotic stabilization problem for a class of nonlinear systems with time-varying powers. First, adding a power integrator technique is revamped to design a smooth state feedback controller, which is implementable with only upper and lower bounds of the time-varying powers. When the system state is not fully available and the time-varying power is exactly known, a smooth output feedback controller constituted by a state feedback and a nonlinear state observer is constructed to globally stabilize the system.

Original languageEnglish
Pages (from-to)5113-5128
Number of pages16
JournalInternational Journal of Robust and Nonlinear Control
Volume27
Issue number18
DOIs
StatePublished - 1 Dec 2017

Keywords

  • adding a power integrator
  • global stabilization
  • high-order nonlinear systems
  • smooth output feedback
  • time-varying power

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