Abstract:Permanent Magnet linear synchronous motor (PMLSM) exist the problem of normal force fluctuation, especially in the servo feeding system of high-precision CNC machine tools. The normal force fluctuation can cause the feeding table in vibration and produce resonance with other moving components of the servo feeding system. It is produced by normal electromagnetic force wave acting on iron cores of PMLSM. In this paper, the analytical expression of normal electromagnetic force wave of single-side PMLSM is deduced… Show more
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