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

Hisham M. Soliman, Abdellah Benzaouia, Hassan Yousef*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


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
Issue number1
Publication statusPublished - Jan 1 2016


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

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Aerospace Engineering
  • General Materials Science
  • Automotive Engineering


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