基于NSGA-Ⅱ算法的悬架结构硬点多目标优化Multi-objective Optimization for Suspension Structure Hard Points Based on NSGA-Ⅱ Algorithm
冯金芝;杨涛;郑松林;
摘要(Abstract)：
建立了悬架结构硬点优化设计流程,以车轮定位参数(车轮外倾角、车轮前束角、主销内倾角和主销后倾角)随轮跳的变化范围为目标对悬架结构硬点进行优化设计。考虑车轮定位参数中车轮前束角和车轮外倾角的关联性,采用直接加权法将二者随轮跳的变化范围进行整合,减少目标函数个数,提高趋向帕累托最优集的收敛性。优化后各目标值均得到不同程度减小,证明了该方法的可行性。
关键词(KeyWords)： 悬架;结构硬点;优化设计;定位参数;NSGA-Ⅱ算法
基金项目(Foundation): 国家“十二五”863重大项目(基金号:2011AA11A265&2012AA110701)
作者(Authors): 冯金芝;杨涛;郑松林;
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