Saturated robust control with regional pole placement and application to car active suspension

Hisham M. Soliman, Abdellah Benzaouia, Hassan Yousef

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this paper a new saturated control design for uncertain systems is proposed. The developed saturated control scheme is based on linear matrix inequality (LMI) optimization to achieve prescribed dynamic performance measures e.g., settling time and damping ratio. In this design, the closed-loop poles are forced to lie within a desired region. The proposed design provides robustness against system uncertainties. The existence of the saturated robust control with regional pole placement is shown using LMI and Lyapunov function analysis. Simulation results of two illustrative examples are given to validate the effectiveness of the proposed controllers. Application to car active suspension to achieve comfortable dynamic performance by pole placement and avoiding actuator saturation is also considered.

Original languageEnglish
Pages (from-to)258-269
Number of pages12
JournalJVC/Journal of Vibration and Control
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 1 2016

Keywords

  • active suspensions
  • guaranteed cost control
  • linear matrix inequality (LMI)
  • regional pole placement
  • robust control
  • Saturated control

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)
  • Aerospace Engineering
  • Automotive Engineering

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