機械共振を超える高帯域磁気ヘッドサーボシステムの設計 : 最適設計における同相性の重要さ

概要

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A wide range servo system for a magnetic head actuator was studied while considering the inphase property. The in-phase property can be defined for a structure system whose transfer function is described as a summation of a rigid-body mode component and flexible mode components. When impulse response of every flexible mode takes the initial derivative of the same sign as the rigid-body mode, the system is in-phase. It is demonstrated that the in-phase property brings much higher controlperformance than out-of-phase one. We examined feasibilities for a wide frequency range surpassing over resonance mode for an in-phase structure system of a magnetic head actuator. We also proposed a methodology for designing in-phase structures.
一般社団法人日本機械学会の論文
2000-04-25