Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Vibration Control of MR Suspension System Considering Damping Force Hysteresis

댐핑력 히스테리시스를 고려한 MR 서스펜션의 진동제어

  • 성민상 (인하대학교 대학원 기계공학과) ;
  • 성금길 (인하대학교 대학원 기계공학과) ;
  • 한영민 (인하대학교 기계공학부) ;
  • 최승복 (인하대학교 기계공학부) ;
  • 이호근 (대덕대학 자동차학부)
  • Published : 2008.03.20
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Abstract

This paper presents vibration control performances of a commercial magnetorheological(MR) suspension via new control strategy considering hysteresis of the field-dependent damping force of MR damper. A commercial MR damper which is applicable to high class passenger vehicle is adopted and its field-dependent damping force is experimentally evaluated. Preisach hysteresis model for the MR damper is identified using experimental first order descending(FOD) curves. Then, a feed-forward compensation strategy for the MR damper is formulated and integrated with a linear quadratic regulation(LQR) feedback controller for the suspension system. Control performances of the proposed control strategy for the MR suspension is experimentally evaluated with quarter vehicle test facility.

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References

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