Gain-scheduled control of a semi-active suspension using an MR damper

Hidekazu Nishimura, Ryozo Kayama

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

In this paper we design a controller for a semi-active suspension using a magneto rheological (MR) damper. We formulate the linear-parameter-varying system taking account of the mechanism of a fictitious damper model includes valve stroke of the orifice and the damping coefficient restriction. The gain-scheduled controller is obtained with linear matrix inequalities and we confirm that the controller according to the varying parameters is superior to the semi-active damper utilizing the sky-hook damper theorem by simulation. Furthermore, we propose the control method using the relation between the input current and the damping coefficient of the MR damper that is experimentally obtained. By carrying out experiments it is verified that the designed controller for the semi-active suspension using the MR damper has the desired good performance.

Original languageEnglish
Pages (from-to)3644-3651
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume68
Issue number12
Publication statusPublished - 2002 Dec
Externally publishedYes

Fingerprint

Gain control
Controllers
Damping
Hooks
Orifices
Linear matrix inequalities
Experiments

Keywords

  • Gain-Scheduled Control
  • Linear-Parameter-Varying System
  • MR Damper
  • Semi-Active Suspension
  • Vibration Isolation

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AB - In this paper we design a controller for a semi-active suspension using a magneto rheological (MR) damper. We formulate the linear-parameter-varying system taking account of the mechanism of a fictitious damper model includes valve stroke of the orifice and the damping coefficient restriction. The gain-scheduled controller is obtained with linear matrix inequalities and we confirm that the controller according to the varying parameters is superior to the semi-active damper utilizing the sky-hook damper theorem by simulation. Furthermore, we propose the control method using the relation between the input current and the damping coefficient of the MR damper that is experimentally obtained. By carrying out experiments it is verified that the designed controller for the semi-active suspension using the MR damper has the desired good performance.

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