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Sliding Mode Control of an Active Magnetic Bearing System

능동자기베어링계의 슬라이딩모드 제어

  • 강민식 (경원대학교 기계공학과)
  • Published : 2004.05.01

Abstract

Magnetic bearing is an attractive device in precision engineering field because of its non-contacting nature and controllability of its dynamic characteristics. This paper provides a method of designing a sliding mode control for an active magnetic hearing(AMB) system which is used to support the elevation axis of a target tracking sight instead of mechanical bearings to eliminate the effect of mechanical friction. In such system, the axis should be levitated and supported within a predetermined air gap while AMB is excited by base motion. Experimental results showed that the sliding mode control is effective in disturbance rejection than conventional PID-control without any additive measurements.

Keywords

References

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