Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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A Study of the Circuit for CPS Signal Using Magnetic Pickup

마그네틱 픽업 방식의 CPS 신호 해석 회로에 관한 연구

  • 주용완 (서일대학교 컴퓨터전자과) ;
  • 조봉수 (부산대학교 전자전기공학부) ;
  • 백광렬 (부산대학교 전자전기공학부)
  • Received : 2010.06.22
  • Accepted : 2010.11.16
  • Published : 2011.01.01
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Abstract

The basic signals for electronic engine control are velocity and degree of the engine cam shaft. The CPS sensor used for this signal and magnetic pick-up type CPS sensor is more popular. It is very important thing analyze this signal correctly. If there are some mistakes at the analysis, like a noise, The engine do not working at the best status, it will generate some noise, emit exhaust fumes and waste more gases. In general way to analysis this signal, you use zero-level detector circuit and in order to reduce the error you must use another sensor like a TDC sensor. In this paper, We proposed the analysis method using electronics circuits for magnetic pick-up type CPS sensor. We designed Comparison level detector circuit, Differential circuit and Full-rectifier circuit for detected the Long tooth and Short tooth level correctly without another sensor. We expected it is useful for more reliable engine control.

Keywords

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