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[전기 전자부문] 반 능동형 현가 장치를 위한 Actuator 구동방식에 관한 연구
박민기(Mingi Park) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_2
In this paper, an algorithm and method to drive step motor are introduced to control the damper in a semi-active suspension system. When PWM driving is applied to control the current of motors, several functions can be replaced by the software of micro controller and the cost of ECU can be reduced. But the entire software become more complex and need higher reliability. Therefore, a method to predict overload in PWM driving is presented.