基于多目标优化设计的主动约束层阻尼板振动控制研究

被引：4

作者：

张东东

郑玲

机构：

[1] 重庆大学机械传动国家重点实验室

来源：

汽车工程学报 | 2014年 / 4卷 / 01期

关键词：

主动约束层阻尼(ACLD); 多目标优化设计; 快速非支配排序算法(NSGA-II); FxLMS算法;

D O I：

暂无

中图分类号：

TB535 [振动和噪声的控制及其利用];

学科分类号：

083002 ; 120402 ;

摘要：

基于主动约束层阻尼(Active Constrained Layer Damping,ACLD)结构的有限元动力学方程,建立了ACLD板结构的多目标优化模型。以ACLD衬片的位置编号为设计变量,以前两阶模态损耗因子最大化为优化目标,采用改进的快速非支配排序算法(Fast and Elitist Non-Dominated Sorting Genetic Algorithm,NSGA-II)算法,对ACLD衬片的布置位置进行了优化设计。对于不同的优化方案,设计了基于FxLMS(Filtered-x Least Mean Square)算法的控制器,研究了在同一外扰激励下的振动控制效果。结果表明,采用优化后的ACLD衬片配置方案,在被动和主动振动控制中,都具有良好的振动控制效果。

引用

页码：50 / 55

页数：6

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