한국전자통신학회논문지 (The Journal of the Korea institute of electronic communication sciences)

한국전자통신학회 (Korea Institute of Electronic Communication Science)
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엔센티드 칼만필터를 이용한 IPMSM의 센서리스 속도제어

Sensorless Speed Control of IPMSM Using Unscented Kalman Filter

  • 투고 : 2013.09.30
  • 심사 : 2013.12.16
  • 발행 : 2013.12.31
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초록

본 논문은 IPMSM(Interior Permanent Magnet Synchronous Motor)의 센서리스 운전을 위해 엔센티드 칼만필터를 기반으로 하는 속도와 위치 추정기의 설계방법을 제안한다. 제안된 방법은 회전축에 동기하여 설계된 관측기에 비해, 간단한 전류계측이 가능하고 관측기의 비선형 항이 포함되도록 상태 추정기를 설계하였다. 제어기는 비선형 백스텝핑 제어기법으로 구성하고, 추정된 속도와 위치정보로 속도와 전류제어를 수행하였다. 설계된 추정기의 성능은 시뮬레이션을 통해 dq축에 동기하여 설계된 추정기의 성능과 비교 검증하였다.

In this paper, a design method of speed and position estimator based on unscented Kalman filter is proposed for the no sensor control of IPMSM(Interior Permanent Magnet Synchronous Motor). The proposed method is simple more than the estimator designed with rotation axis for current measurement. Also the proposed state estimator is designed including nonlinear terms of the estimator. The controller which constructed using nonlinear back-stepping control method is operated speed and current control using the estimated speed and currents information. Through simulation, the performance of the designed estimator is compared to the estimator which is designed to synchronize d-q axis.

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참고문헌

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