Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study on the Resolver Interface using a Rotor Position Detector Method with DFT

DFT에 의한 회전자 위치 검출 방법을 사용한 레졸버 인터페이스에 관한 연구

  • Hwang, Lark-Hoon (Dept.of Electrical Engineering, Semyoung University) ;
  • Na, Seung-Kwon (Dept.of Biomedical Engineering, korea Polytechnics III College) ;
  • Choi, Gi-Ho (Dept.of Electric Control Engineering, korea Polytechnics III College)
  • 황락훈 (세명대학교 전기공학과) ;
  • 나승권 (한국폴리텍 III대학 의용공학과) ;
  • 최기호 (한국폴리텍 III대학 전기제어학과)
  • Received : 2011.07.12
  • Accepted : 2011.10.06
  • Published : 2011.10.31
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Abstract

Generally, a optical encoder is used to detect velocity for controling the electronic motor, the resolver is used when it is hard structurally to adjust encoder to electronic motor. so, the resolver has weakness in price in compare with encoder, but in case of controling the position of a magnetic polar, the resolver has stead detecting the absolute position of a rotator. This study is about the digital programing velocity detector which uses a minimum hardware : filter for detecting the revolve speed and rotor position of the motor by means of the resolver.

전동기를 제어하기 위한 속도를 검출하는 장치로 일반적으로 광학적 엔코더가 많이 사용되고 있으며 레졸버는 구조적으로 엔코더를 전동기에 장착하기가 어려운 경우에 사용하고 있다. 따라서 레졸버는 엔코더와 비교하여 가격면에서 불리하지만 회전자의 절대위치를 검출하기 때문에 자극의 위치를 기준으로 제어하는 경우에 유용하다. 본 연구는 레졸버에 의한 전동기의 회전속도 및 위치를 검출하는 방법으로 최소한의 하드웨어인 필터를 사용하고 프로그램에 의한 디지털방법의 속도검출기에 관한 것이다.

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References

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