基于灵敏度排序的焊点布置鲁棒性分析方法研究*

doi:10.19562/j.chinasae.qcgc.2020.12.019

汽车工程 ›› 2020, Vol. 42 ›› Issue (12): 1751-1757.doi: 10.19562/j.chinasae.qcgc.2020.12.019

• • 上一篇

基于灵敏度排序的焊点布置鲁棒性分析方法研究^*

宋海生^1,2, 陈志勇¹, 杨娜², 杨昌海¹, 史文库¹

1.吉林大学,汽车仿真与控制国家重点实验室,长春 130022;
2.一汽—大众汽车有限公司技术开发部,长春 130022

收稿日期:2020-03-23 出版日期:2020-12-25 发布日期:2021-01-13
通讯作者: 杨昌海,高级工程师,博士,E-mail:ych@jlu.edu.cn
基金资助:
*国家重点研发计划项目(2018YFB0106200)资助。

Research on the Analysis Method of Welding Spot Layout Robustness Based on Sensitivity Ranking

Song Haisheng^1,2, Chen Zhiyong¹, Yang Na², Yang Changhai¹, Shi Wenku¹

1. Jilin University, State Key Laboratory of Automotive Simulation and Control, Changchun 130022;
2. Technology Development Department, Faw-Volkswagen Automotive Co.,Ltd., Changchun 130022

Received:2020-03-23 Online:2020-12-25 Published:2021-01-13

摘要/Abstract

摘要： 鉴于目前焊点布置的鲁棒性分析常用的蒙特卡洛鲁棒性分析方法存在成本高、效率低和精度严重依赖抽样数量的缺点,本文中借鉴蒙特卡洛重要抽样理论,提出了一种基于焊点灵敏度排序的鲁棒性分析方法,并以某国产轻型客车的焊点布置方案为例,将两种方法进行了对比验证。结果表明,本文提出的方法效率高、成本低,仅需要较少的抽样即可获得较高的精度。

关键词: 焊点, 布置, 鲁棒性, 灵敏度排序

Abstract: In view of the defects of Monte-Calo robustness analysis method commonly used at present for robustness analysis for welding spot layout, i.e. high cost, low efficiency and the heavy dependance of accuracy on sample number, a novel robustness analysis method based on welding spot sensitivity ranking is proposed with Monte-Calo important sampling theory as reference. Taking a domestic light bus as example, two methods are comparatively verified. The results show that the method proposed in this paper has higher efficiency, lower cost and higher accuracy with fewer samples needed compared with Monte-Calo one

Key words: welding spot, layout, robustness, sensitivity ranking

宋海生, 陈志勇, 杨娜, 杨昌海, 史文库. 基于灵敏度排序的焊点布置鲁棒性分析方法研究^*[J]. 汽车工程, 2020, 42(12): 1751-1757.

Song Haisheng, Chen Zhiyong, Yang Na, Yang Changhai, Shi Wenku. Research on the Analysis Method of Welding Spot Layout Robustness Based on Sensitivity Ranking[J]. Automotive Engineering, 2020, 42(12): 1751-1757.

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基于灵敏度排序的焊点布置鲁棒性分析方法研究^*

Research on the Analysis Method of Welding Spot Layout Robustness Based on Sensitivity Ranking

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