轿车侧碰中车门抗撞性的快速优化

›› 2012, Vol. ›› Issue (03): 677-682.

轿车侧碰中车门抗撞性的快速优化

徐涛^1,2, 郝亮², 徐天爽², 左文杰², 郭桂凯², 程鹏²

1. 吉林大学汽车仿真与控制国家重点实验室, 长春 130022;
2. 吉林大学机械科学与工程学院, 长春 130022

收稿日期:2011-04-27 出版日期:2012-05-01
通讯作者: 左文杰(1981-),男,讲师,博士.研究方向:结构优化.E-mail:zuowenjie@jlu.edu.cn E-mail:zuowenjie@jlu.edu.cn
基金资助:
国家自然科学基金项目(50975121);吉林省科技发展计划项目(201101030);2010年度长春市科技支撑计划项目(10KZ03).

Fast crashworthiness optimization of car door during side collision

XU Tao^1,2, HAO Liang², XU Tian-shuang², ZUO Wen-jie², GUO Gui-kai², CHENG Peng²

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
2. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China

Received:2011-04-27 Online:2012-05-01

摘要/Abstract

摘要： 针对汽车侧面碰撞时吸收能量的重要部件——车门结构,进行了快速抗撞性优化设计。将提高车门结构吸能量作为优化目标,选择主要部件的板厚为设计变量,建立抗撞性优化问题的数学模型。基于均匀试验设计方法快速合理地分布样本点。根据多项式响应面方法构造原优化问题的高精度近似模型。采用粒子群优化算法对近似模型进行优化设计。优化结果证明了本文提出的快速抗撞性优化设计方案的可行性及有效性,对车辆被动安全分析具有较高的工程应用价值。

关键词: 机械设计, 抗撞性, 优化设计, 响应面法, 均匀试验设计, 粒子群优化算法

Abstract: A fast crashworthiness optimization was performed for the car door as a major energy absorber during the car side collision. A mathematical model was built for the crashworthiness optimization, selecting the plate thicknesses of the major components as the design variables, increase of the energy absorbed by the door structure as the objective function. The uniform test design was taken to distribute the sample points rapidly and reasonably. The polynominal regression response surface method(RSM)was applied to build the precise approximate model of the original optimization problem. The particle swarm optimization(PSO) algorithm was used to optimize the approximate model. The results showed that the proposed method is feasible and effective in car crask worthiness optimization which is valuable for the vehicle passive safety analysis.

Key words: mechanical design, crashworthiness, optimization design, response surface method (RSM), uniform test design, particle swarm optimization (PSO)

中图分类号:

TH123.1

徐涛, 郝亮, 徐天爽, 左文杰, 郭桂凯, 程鹏. 轿车侧碰中车门抗撞性的快速优化 [J]. , 2012, (03): 677-682.

XU Tao, HAO Liang, XU Tian-shuang, ZUO Wen-jie, GUO Gui-kai, CHENG Peng. Fast crashworthiness optimization of car door during side collision[J]. , 2012, (03): 677-682.

参考文献

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