含有弹性支撑的压电层合悬臂梁振动模态控制
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摘要
工程中有一些结构可将其简化为含有弹性支撑的悬臂梁结构,采用解析法与模态叠加法相结合推导了含有一个弹性支撑的压电层合悬臂梁的主动控制方程和传感方程,采用线性二次型模态空间控制法设计控制器,对分布有一个弹性支撑的压电层合悬臂梁的振动响应进行了控制,并分析了弹性支撑在梁上的位置对控制效果的影响,为舰船上类似结构的振动主动控制提供一定参考。
Some structures in ship can be simplified into elastic beams with elastic spring supports The analytical method and modal superposition method are combined to form the active control equation of the piezoelectric laminated beam with an elastic support. Based on the Linear Quadratic modal space control method, the controller is designed to control the piezoelectric laminated cantilever with a spring. This paper provides a useful reference for the active vibration control of the similar structures of the ship.
引文
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