| 智能板振动控制的分布压电单元法 |
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| 引用本文： | 孙东昌,王大钧.智能板振动控制的分布压电单元法[J].力学学报,1996,28(6):692-699. |
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| 作者姓名： | 孙东昌 王大钧 |
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| 作者单位： | 北京大学力学与工程科学系 |
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| 基金项目： | 国家自然科学基金,国家教委博士点专项基金,美国NASA基金 |
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| 摘 要： | 提出了一个用于振动控制的分布压电单元法，该方法中采用将分布压电传感器和致动器分割成若干相互独立的单元的方法，来设计压电模态传感器与压电模态致动器．压电模态传感器所观测的模态坐标和模态速度，可从各传感单元的输出电荷及电流中提取出来；而压电模态致动器则通过调制施加于其上的电压的空间分布来实现．在此基础上对智能板进行了模态控制
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| 关 键 词： | 智能结构 振动控制 压电模态 分布压电单元 |
DISTRIBUTED PIEZOELECTRIC ELEMENT METHOD FOR VIBRATION CONTROL OF SMART PLATES |
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| Sun Dongchang,Wang Dajun.DISTRIBUTED PIEZOELECTRIC ELEMENT METHOD FOR VIBRATION CONTROL OF SMART PLATES[J].chinese journal of theoretical and applied mechanics,1996,28(6):692-699. |
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| Authors: | Sun Dongchang Wang Dajun |
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| Abstract: | The Distributed Piezoelectric Element (DPE) method for active control of smart plates is presented in which the piezoelectric modal sensor and modal actuator are designed by means of cutting the entire piezoelectric layers into several independent elements. The modal coordinates and the modal velocities can be obtained from the charges and currents generated by the sensor elements, and the modalactuator is designed by modulating the spatial distribution of voltage applied on the piezoelectric actuator. Finally, a scheme for modal control of smart plates is given. |
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| Keywords: | smart structure vibration control piezoelectric modal sensor piezoelectric modal actuator distributed piezoelectric element |
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