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Fuzzy Sky-hook Control of Semi-active Suspension System Using Rotary MR Damper

회전형 MR 댐퍼를 이용한 반능동 현가장치의 퍼지 스카이-훅 제어

  • 조정목 (창원대학교 제어계측공학과) ;
  • 조중선 (창원대학교 제어계측공학과)
  • Published : 2007.10.25

Abstract

Recently, a number of researches about linear magnetorheological(MR) damper using valve-mode characteristics of MR fluid have sufficiently undertaken, but researches about rotary MR damper using shear-mode characteristics of MR fluid are not enough. In this paper, we performed vibration control of shear-mode MR damper for unlimited rotating actuator of mobile robot. Also fuzzy logic based vibration control for shear-mode MR damper is suggested. The parameters, like scaling factor of input/output and center of the triangular membership functions associated with the different linguistic variables, are tuned by genetic algorithm. Simulation results demonstrate the effectiveness of the fuzzy-skyhook controller for vibration control of shear-mode MR damper under impact force.

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