Proceedings of the KSME Conference (대한기계학회:학술대회논문집)
- 2008.11a
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- Pages.923-925
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- 2008
Linear Actuator using Magnetic Shield of Rotating Magnet Wheel
부분 자기 차폐된 마그네트 휠의 선형구동기로의 응용
- Published : 2008.11.05
Abstract
As known generally, when permanent magnets whose poles are upward and downward in order, arranged into the circumferential direction rotate under the conducting plate, the rotating force acts on the plate as well as the repulsive force. If the magnetic field by the magnet wheel(the above rotating permanent magnets) is partially shielded, the magnet wheel over open region can be a linear induction motor. The distinct feature from induction motor is that the traveling magnet field is produced by the moving permanent magnet instead of ac current. Furthermore, a variation of the open region changes the direction of the thrust force. In this paper, we introduce a concept of the linear actuator using the magnet wheel. Under the above shielding condition, a few simulation results and its verification from a simple test setup are described.
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