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이상목(Sangmok Lee),조치훈(Chihoon Jo),송한림(Hanlim Song),조연선(Yeonsun Cho),김인수(Insu Kim),현동윤(Dongyoon Hyun),김현수(Hyunsoo Kim) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
Electro-wedge brake(EWB) uses the wedge principle which provides the self-reinforcement mechanism and this offers the reduced current of the actuation motor. However, it can also lead to an unstable open-loop system. In this paper, upper wedge moving type EWB is developed and a control algorithm is suggested in order to keep the wedge stable within the push-pull range and to prevent the EWB system from jamming. The EWB performance is evaluated by the dynamometer and simulator. It is found from the test and simulation results that the EWB developed in this study shows satisfactory performance.