遗传算法在冲击隔振中的应用研究  

APPLICATION OF GENETIC ALGORITHM TO ANTI-SHOCK ISOLATION

作　　者：班书昊[1] 李晓艳[1] 蒋学东[1] 胡爱萍[1] 

机构地区：[1]常州大学机械工程学院,常州213016

出　　处：《力学与实践》2011年第6期40-44,共5页Mechanics in Engineering

基　　金：常州大学青年人才基金(JQ201001);江苏省青蓝工程资助(QLG1102003);科技基础设施建设计划(BM2010167)资助项目

摘　　要：借助泰勒级数给出了钢丝绳隔振器的一阶近似非线性数学模型,选用遗传算法对系统固有频率进行二进制编码;然后建立了相应的冲击仿真模型,并对冲击载荷作用下装有钢丝绳隔振器的移动硬盘进行仿真实验.理论分析与仿真结果表明,采用遗传算法的仿真模型能够适应脉冲宽度的多变性,克服隔振效果与最大允许变形之间的矛盾,良好地反演出钢丝绳隔振系统的固有频率.A nonlinear mathematical model expansion, the genetic algorithm is adopted of the first-order approximation is proposed based on Taylor series for the natural frequency of the system, and the simulation model of the corresponding system is constructed. Simulations of the system of an active hard-disk with a wireless isolator are carried out under the action of a half-sine impulse. From the theoretical analyses and simulated results, it can be seen that the simulation model can be used for different impulse widths, can have the effect of isolation with the permissible maximum of deformations, and effectively inverse the natural frequency of the system with wireless isolators.

关 键 词：振动与波 钢丝绳隔振器 遗传算法 非线性 半正弦脉冲 

分 类 号：O322[理学—一般力学与力学基础] TB301[理学—力学]