Sampled-data output voltage regulation for a DC–DC buck converter nonlinear system with actuator and sensor failures

Jing Zhang, Shi Li, Choon Ki Ahn, Zhengrong Xiang

Research output: Contribution to journalArticlepeer-review

Abstract

This paper considers the regulation problem for a DC–DC buck converter nonlinear system with uncertain components and actuator and sensor failures. We establish a novel reduced-order observer to estimate the unmeasured state. Then, a new fault-tolerant sampled-data controller with an allowable sampling period is constructed to guarantee that the output voltage of the DC–DC buck converter nonlinear system can tend to the desired voltage. Finally, simulation results are presented to demonstrate the effectiveness of the proposed method.

Original languageEnglish
Pages (from-to)1243-1252
Number of pages10
JournalNonlinear Dynamics
Volume99
Issue number2
DOIs
Publication statusPublished - 2020 Jan 1

Keywords

  • DC–DC buck converter
  • Fault-tolerant control
  • Nonlinear system
  • Reduced-order observer
  • Sampled-data control

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Aerospace Engineering
  • Ocean Engineering
  • Mechanical Engineering
  • Applied Mathematics
  • Electrical and Electronic Engineering

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