Gain-scheduling H∞ control to improve ride comfort and driving stability of vehicle active suspension

Shoichi Hiraoka, Takuma Suzuki, Masaki Takahashi

Research output: Contribution to conferencePaper

Abstract

This research aims at establishing an integrated control design method for the full-vehicle active-suspension system which can adapt to driving conditions and improve both ride comfort and driving stability. In order to improve driving stability, the proposed method is considered not only changes in vehicle body attitude but also vehicle motion in horizontal direction, such as yaw rate and lateral acceleration. Additionally, based on findings from a research of the driver's feeling characteristics, new control method for vehicle attitude is proposed. Moreover, the gain-scheduling algorithm that decides the balance of frequency weights with evaluation of driving condition based on several state quantities on vehicle is proposed. The numerical simulations with different road surface and operation conditions are carried out. As a result, it is confirmed that the proposed method has superior controlled performance compared with the passive suspension and.

Original languageEnglish
Publication statusPublished - 2010 Aug 16
Event10th International Conference on Motion and Vibration Control, MOVIC 2010 - Tokyo, Japan
Duration: 2010 Aug 172010 Aug 20

Other

Other10th International Conference on Motion and Vibration Control, MOVIC 2010
CountryJapan
CityTokyo
Period10/8/1710/8/20

Keywords

  • Active suspension
  • Driving stability
  • Gain-scheduling control
  • H∞ control
  • Ride comfort

ASJC Scopus subject areas

  • Control and Systems Engineering

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