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국내 최대 정보 기계·건설 공학연구정보센터
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  • NDSL학술지

    NDSL학술지 제목 게시판 내용
    제목 능동형 위상보정을 이용한 정밀 속도리플 제어기의 개발
    저자 강석일
    정재현
    김정한
    초록 Velocity ripple in manufacturing processes reduces productivity and limits the precision of the product. In practice, the frequency and phase of velocity ripples always change minutely, which makes it impossible to compensate for the ripple by simply inserting an opposite feed-forward signal in the system. In this study, an active-phase compensation algorithm was developed to enable the velocity-ripple controller to track the phase change of the ripples in real time. The proposed controller can compensate for the velocity ripple whatever its cause, including disturbance by the torque ripple. The algorithm consists of three functional modules: the velocity-ripple extractor, the synchronized integrator, and the phase shifter. Experimental results showed that the proposed controller clearly reduces velocity ripples with phase variation.
    저널명 한국정밀공학회지 = Journal of the Korean Society of Precision Engineering
    VOL 34
    PAGE pp.265-272
    발표년도 2017
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