电流变夹层振动控制和拓扑优化研究

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (21) : 137-142.

论文

电流变夹层振动控制和拓扑优化研究

陈春强, 陈前

作者信息 +

TOPOLOGY OPTIMIZATION OF SEMIACTIVE VIBRATION CONTROL AN ELECTRORHEOLOGICAL SANDWICH PLATE#br# #br#

Chen Chunqiang, Chen Qian

Author information +

文章历史 +

摘要

为电流变夹层板设计了半主动的变刚度控制算法，并对其进行了夹层结构的拓扑优化。首先，建立了电流变夹层结构的动力学模型，基于开关控制策略发展了适用于ER夹层板的模态控制算法。随后，构造了电流变夹层结构的单阶模态和综合模态的频率变化率为优化目标函数，再采用粒子群优化方法，以这两个函数为目标，对结构进行了拓扑优化，并且得到了一定材料使用率限制下相应的拓扑布置构形。最后，采用变刚度控制的等效阻尼比和多种激励下的时域响应对比两种手段对拓扑优化的结果进行了验证，数值算例证实了该拓扑优化结果以及变刚度控制的有效性。

Abstract

Semi-active controller design methodology and topology optimizations for an electrorheological sandwich plate under semiactive variable modality stiffness vibration control are investigated. A semi-active modal control algorithm adapt to infinite degree of freedom system was designed. Subsequently, on the basis of topological particle swarm optimization (PSO)，the topological configurations of maximum a single or multiple modal frequence mobility of the ER sandwich plate structure under certain needed amount of ER material were obtained. Lastly, two kinds of comparisons of equivalent modal damping ratio and time responses with the optimal and fully covered configurations were adopted. Numerical examples demonstrate the validity of the proposed optimal problem and modal control algorithm.
validate the effectiveness of proposed semiactive controller and topology optimized approach.

导出引用

陈春强, 陈前. 电流变夹层振动控制和拓扑优化研究[J]. 振动与冲击, 2016, 35(21): 137-142

Chen Chunqiang, Chen Qian. TOPOLOGY OPTIMIZATION OF SEMIACTIVE VIBRATION CONTROL AN ELECTRORHEOLOGICAL SANDWICH PLATE#br# #br#[J]. Journal of Vibration and Shock, 2016, 35(21): 137-142

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