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퍼지-이동슬라이딩모드 제어기를 이용한 ER 현가장치의 제어
조재완(Jaewan Cho),최승복(Seungbok Choi),정시영(Siyoung Jung) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_2
This paper presents a robust and superior control performance of a quarter-vehicle electrorheological (ER) suspension system. In order to achieve this goal, a moving sliding mode control algorithm is adopted, and its moving strategy is tuned by fuzzy logic. As a first step, ER shock absorber is designed and manufactured for a commercial suspension system, and its field-dependent damping force is experimentally evaluated. After formulating the governing equation of motion for the quarter-vehicle ER suspension system, a stable sliding surface and moving algorithm based on fuzzy logic are formulated. The sliding mode controller is then synthesized and control performance such as vertical displacement is evaluated in time domain.