125 モードセンサ・アクチュエータの最適設計に基づく効率的振動制御

概要

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The high precise measurement of vibration and the efficient control system are indispensable to suppress the vibrations occurring to large-scale flexible structures. This paper discusses about the measurement and the control system using the modal sensor/actuator, which are composed of accelerometers and PZT. In a design of modal sensor, accelerometers are placed on the optimal locations obtained from the minimization problem observation spillover. In a design of modal actuator, a location of PZT elements is optimized by the minimization criterion of control spillover, and the optimal control gain is determined by LQR control theory to consider both the effect of control and the control energy. Numerical and experimental results of vibration measurement/control using a cantilevered CFRP plate with accelerometers and PZT elements have been demonstrated to verify the validity of the proposed modal sensor/actuator.
社団法人日本機械学会の論文
2003-10-30