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Korea Institute of Electronic Communication Science (한국전자통신학회)
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Position Control for Solenoid Valve using the Fractional Order Controller

분수차수제어기를 이용한 솔레노이드밸브 위치제어

  • 강정욱 (안양대학교 정보통계학과) ;
  • 전용호 (중원대학교 항공정비학과)
  • Received : 2018.01.28
  • Accepted : 2018.02.15
  • Published : 2018.02.28
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Abstract

This study proposes a method of controller design for precise position control in the use of solenoid which is widely used in industrial field. First, we design a Luenberger's observer that can accurately estimate the disturbance and set the appropriate gain. Based on the observed state, a fractional PD controller is designed and applied to the position control. As a result, the fractional order controller can obtain almost the same control performance even if the target position is different. In addition, it was confirmed that the position error of the steady state is within 0.1 [%] and the rising time is within about 0.05 second.

본 연구는 산업현장에서 많이 사용되는 솔레노이드의 사용함에 있어서, 정밀한 위치 제어를 위한 제어기 설계의 방법을 제안한다. 먼저 관측기는 외란을 적극 반영하여 상태추정을 할 수 있는 루엔버거 관측기를 설계하고 적절한 이득을 설정한다. 관측된 상태를 바탕으로 분수차수 PD제어기를 설계하여, 위치제어에 적용한 결과 분수차수제어기는 목표량이 다르더라도 거의 동일한 제어성능을 얻을 수 있었다. 또한, 정상상태의 위치 오차가 0.1[%]이내이고, 기동시간이 약 0.05초 이내의 정밀한 위치제어성능 가짐을 확인할 수 있었다.

Keywords

References

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