| 智能桁架机电耦合动力分析与振动控制 |
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| 引用本文： | 聂润兔,邵成勋,邹振祝. 智能桁架机电耦合动力分析与振动控制[J]. 振动工程学报, 1997, 0(2) |
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| 作者姓名： | 聂润兔 邵成勋 邹振祝 |
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| 作者单位： | 哈尔滨工业大学航天工程与力学系，石家庄铁道学院运输系 |
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| 摘 要： | 把作为主动杆全部或部分的压电陶瓷作动／检测元件视为多层迭合体，从机电耦合弹性理论出发，利用Ｈａｍｉｌｔｏｎ原理建立了智能桁架结构机电耦合有限元动力分析模型，可用于机械／电载荷共同作用下的结构静／动力分析和振动控制系统设计。同时给出了元件的作动／检测方程，并以压电作动元件输入电压作为控制量，利用结构状态空间方程进行振动系统最优反馈控制律设计。算例表明该分析方法是可行的。
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| 关 键 词： | 耦合；振动；动力分析；振动控制；智能桁架结构 |
Mech Electric Coupling Dynamic Analysis and Vibration Control of Intelligent Truss Structures |
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| Nie Runtu Shao Chengxun. Mech Electric Coupling Dynamic Analysis and Vibration Control of Intelligent Truss Structures[J]. Journal of Vibration Engineering, 1997, 0(2) |
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| Authors: | Nie Runtu Shao Chengxun |
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| Abstract: | A theoretical formula of calculating the Rayleigh wave dispersion curve from vertical short period microtremor data is drived, using the coherent theory of two dimensional stationary stochastic waves. An inversion technique considering the effects of higher modes is also presented for determining the S wave velocity profiles. Finally, an example is given, which indicates that the use of microtremors for V S profiling is feasible. |
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| Keywords: | rock soil dynamics wave velocity short period microtremors rayleigh wave dispersion curve |
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