东风汽车申请车门震颤音预测、优化方法及系统专利,解决传统设计流程中震颤音问题滞后发现的问题

市场资讯
Sep 19

国家知识产权局信息显示,东风汽车集团股份有限公司申请一项名为“一种车门震颤音预测、优化方法及系统”的专利,公开号CN120671435A,申请日期为2025年05月。专利摘要显示,本申请涉及一种车门震颤音预测、优化方法及系统,建立玻璃升降器电机总成、玻璃导轨和车门钣金总成装配后的有限元模型;对所述有限元模型分别进行刚度分析和模态分析,以得到加载点的位移值和玻璃升降器电机总成安装位置对应的局部约束...

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