磁歪材料と圧電材料の複合による磁気力制御素子による零パワー磁気浮上(OS.1 ロボティクス・メカトロニクス)

概要

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This paper describes a zero-power magnetic levitation using magnetostrictive (GMM)/piezoelectric (PZT) laminate devices. This magnetic force control is based on the inverse magnetostrictive effect of magnetostrictive material, where magnetization of the GMM hence a magnetic force is control by the applied voltage to PZT. Because the PZT is considered electrically capacitive in steady state, no electric energy is required to maintain constant magnetic force. We performed a magnetic levitation using a magnetic force control device with there laminations of the GMM and PZT. Zero-power consumption of the levitation system in keeping a constant gap was confirmed by the measurement of the input current to the PZT.
一般社団法人日本機械学会の論文
2004-03-03