112 分散制御による多自由度振動系の共振点駆動 : 大型構造物の多点加振試験への適用(解析・動設計,OS-9 モード解析とその応用関連技術,総合テーマ「伝統を,未来へ!」)

概要

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For the forced excitation of a large structure such as airplanes using one actuator, natural vibration mode cannot be excited because the vibration doesn't spread in the entire structure. On the other hand, when a lot of actuator is used, the excitation frequencies of the actuators must coincide and the magnitude and phase of the excitation force must be minutely adjusted for every vibration mode. Thus, we used a method for driving at resonance point by using the self-excited vibration generated by the local feedback control. A desired mode of vibration can be excited by adding a sine wave signal within the local feedback controller.
一般社団法人日本機械学会の論文
2010-09-14