대한전기학회논문지:시스템및제어부문D (The Transactions of the Korean Institute of Electrical Engineers D)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

CPLD를 이용한 2상 스테핑 모터 드라이버의 성능개선

Performance Improvement of the 2-phase Stepping Motor Driver with CPLD

  • 오태석 (강원대학교 제어계측공학과) ;
  • 전성구 (강원대학교 제어계측공학) ;
  • 김일환 (강원대학교 전기전자정보통신공학부)
  • 발행 : 2004.09.01
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초록

This paper describes the design of a 2-phase stepping motor driver using CPLD. The driver IC such as L297, which is mostly used has some difficulties in PWM current control because of the switching noise of power MOSFETs. The switching noise causes current ripple and acoustic noise. To reduce the switching noise, we designed a digital filter using VHDL. Also we designed constant current method for 1-2 phase(half step) excitation to reduce the torque ripple. Experimental results show the effectiveness of the proposed method. It is enabling further enhancements of stepping motor drive technology broadening the range of applications for the stepping motors.

키워드

참고문헌

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