Modeling and Adaptive Output Feedback Control of Butterfly-like Hysteretic Nonlinear Systems with Creep and Their Applications

Xiuyu Zhang, Hongzhi Xu, Xinkai Chen, Zhi Li, Chun Yi Su

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

This paper proposes a novel robust adaptive piecewise- indirect inverse output- feedback control scheme to mitigate butterfly-like hysteresis with creep in smart-material actuators. Piecewise-indirect inverse indicates that it is not a true hysteresis and creep inverse compensatorbut an on-line decoupling mechanism to accessing the approximately actual control signal from the designed hysteretic and creeping temporary control signal. In addition, a new butterfly-like relay operator is proposed for the first time, leading to the construction of a new model of butterfly-like hysteresis with creep. Finally, the experimental results on the dielectric elastomer actuator motion control platform illustrate the effectiveness of the proposed output-feedback control scheme.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalIEEE Transactions on Industrial Electronics
DOIs
Publication statusAccepted/In press - 2022

Keywords

  • Actuators
  • Adaptation models
  • adaptive dynamic surface control
  • adaptive indirect inverse control
  • butterfly-like hysteresis
  • Creep
  • Density functional theory
  • Hysteresis
  • Mathematical models
  • Relays

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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