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문찬우(Chanwoo Moon),이영대(Youngdae Lee) Korean Society for Precision Engineering 2022 한국정밀공학회지 Vol.39 No.5
A linear motor is an actuator that has strong thrust and high controllability, and can perform linear motion without the use of a motion converter. In this study, we propose a new method to measure the position of the mover of a permanent magnet linear synchronous motor by measuring the magnetic flux density. To resolve the problem that existing methods have to spatially arrange multiple sensors, the proposed method uses a two-dimensional magnetic flux density measurement value at one point. In accordance with this, the estimation method was modified, the convergence condition of the estimation method was obtained, and the time required for the calculation was estimated. The validity of the proposed method was verified through comparative experiments with existing methods. As a result of the test, the proposed method had a small maximum absolute error compared to the existing methods, and was robust against sensor gain changes.
박원용(Won-Yong Park),유춘영(Choon-Young You),김재오(Jae-O Kim),정구민(Gu-Min Jeong),문찬우(Chanwoo Moon),안현식(Hyun-Sik Ahn) 대한전기학회 2008 정보 및 제어 심포지엄 논문집 Vol.2008 No.1
본 논문에서는 차량용 실시간 운영체제인 OSEK/VDX가 어떠한 구조로 이루어졌는지 알아보고 간단한 Application에 응용해 보았다. OSEK/VDX의 표준화 되어있는 기본 구성요소인 OS, COM. NM, OIL에 대하여 각각의 기능에 대하여 소개하고 OIL파일을 작성해서 ECU에 적용하기 위한 설계 가이드를 제시한다.