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고정밀 회전 및 축방향 이송을 위한 신개념 원통형 자기부상 스테이지
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  • 고정밀 회전 및 축방향 이송을 위한 신개념 원통형 자기부상 스테이지
저자명
전정우,이창린,정연호,김종문,오현석,김성신,Jeon. Jeong-Woo,Lee. Chang-Lin,Jeong. Yeon-Ho,Kim. Jong-Moon,Oh. Hyeon-Seok,Kim. Sungshin
간행물명
전기학회논문지= The Transactions of the Korean Institute of Electrical Engineers
권/호정보
2012년|61권 12호|pp.1828-1835 (8 pages)
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대한전기학회
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정기간행물|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, a conceptual design and a detailed design of novel cylindrical magnetic levitation stage is introduced. This is came from planar-typed magnetic levitation stage. The proposed stage is composed of cylinder-typed permanent magnet array and semi-cylinder-typed 3 phase winding module. When a proper current is induced at winding module, a magnetic levitation force between the permanent magnet array and winding module is generated. The proposed stage can precisely move the cylinder to rotations and translations as well as levitations with the magnetic levitation force. This advantage is useful to make a nano patterning on the surface of cylindrical specimen by using electron beam lithography under vacuum. Two methods are used to calculate required magnetic levitation forces. The one is 2D FEM analysis, the other is mathematical modeling. This paper shown that results of two methods are similar. An assistant plate is introduced to reduce required currents of winding module for levitations in vacuum. The mathematical model of cylindrical magnetic levitation stage is used for dynamic simulation of magnetic levitations. A lead-lag compensator is used for control of the model. Simulation results shown that the detail designed model of the cylindrical magnetic levitation stage with the assistant plate can be controlled very well.