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从理论和实验两方面分析了利用压电作动器进行柔性结构振动主动控制的机理,从能量的角度对施加控制时悬臂梁自由衰减振动的阻尼比进行了理论计算,得出了主动阻尼比与反馈增益之间的关系。建立相应的实验系统,对上述关系式进行了实验验证
The mechanism of active control of flexible structure vibration using piezoelectric actuator is analyzed from two aspects of theory and experiment. From the energy point of view, the damping ratio of free damping vibration of cantilever beam subjected to control is theoretically calculated, and the active damping ratio And feedback gain. Establish the corresponding experimental system, and verify the relationship above