基于行人小腿保护的保险杠结构稳健性优化设计

中国机械工程 ›› 2015, Vol. 26 ›› Issue (7): 982-987.

基于行人小腿保护的保险杠结构稳健性优化设计

钱立军;宋佳;谷先广

合肥工业大学，合肥，230009

出版日期:2015-04-10 发布日期:2015-04-24
基金资助:
中国博士后科学基金资助项目(2014M551795)；中央高校基本科研业务费专项资金资助项目(2013HGBZ0164，2013HGBH0051)

Robustness Optimization Design of Bumper Structure Based on Protection of Pedestrian Lower Leg

Qian Lijun;Song Jia;Gu Xianguang

Heifei University of Technology,Hefei,230009

Online:2015-04-10 Published:2015-04-24
Supported by:
Supported by China Postdoctoral Science Foundation（No. 2014M551795）;Fundamental Research Funds for the Central Universities( No. 2013HGBZ0164，2013HGBH0051)

摘要/Abstract

摘要：

为了增强保险杠结构的小腿保护功能，提出了将试验设计技术、径向基函数近似建模技术、全局优化算法和基于蒙特卡罗模拟技术的6σ质量设计相结合的稳健性优化设计方法，并应用该方法进行了保险杠结构的优化设计。优化结果表明，该方法大大提高了车辆的行人保护功能。由于在优化过程中考虑了设计变量的不确定影响，该方法比确定性的优化方法更具有可靠稳健性。因此，从一定程度上讲，该方法是一种求解复杂工程问题的稳健性优化设计方法，深入应用该方法能大幅提高产品的设计质量。

关键词: 行人保护, 保险杠结构, 蒙特卡罗模拟, 稳健性优化

Abstract:

In order to improve lower leg protection of bumper structure, this paper presented a systematic method combining experimental design, radial basis function approximation modeling technology, the global optimization algorithm and 6-Sigma quality design based on Monte Carlo simulation, which was applied to optimize the bumper structure. Due to taking the uncertainty of design variables into consideration, the optimization results are more reliable and robust than that of the deterministic optimization method. Therefore, to some extent, this paper proposed a robustness optimization design method for solving complex engineering problems, and further application of this method can improve the design quality of products greatly.

Key words: pedestrian protection, bumper structure, Monte Carlo simulation, robustness optimization

中图分类号:

U461.91

钱立军, 宋佳, 谷先广. 基于行人小腿保护的保险杠结构稳健性优化设计[J]. 中国机械工程, 2015, 26(7): 982-987.

Qian Lijun, Song Jia, Gu Xianguang. Robustness Optimization Design of Bumper Structure Based on Protection of Pedestrian Lower Leg[J]. China Mechanical Engineering, 2015, 26(7): 982-987.

参考文献

[1]王元博，夏勇，景谊明，等.考虑行人腿部保护和低速碰撞特性的保险杠系统概念设计[J].汽车工程, 2009, 31(12):1111-1115.
Wang Yuanbo, Xia Yong, Jing Yiming, et al.Concept Design of Bumper System with Consideration of Pedestrian Leg Protection and Low Speed Impact Characteristics[J].Automotive Engineering,2009,31(12): 1111-1115.
[2]王国春，成艾国，顾继超，等.基于混合近似模型的汽车正面碰撞耐撞性优化设计[J].中国机械工程, 2011,22(17):2136-2141.
Wang Guochun,Cheng Aiguo,Gu Jichao,et al.Design Optimization on Crashworthiness of Vehicle Front Impact Based on Hybrid Approximate Model[J].China Mechanical Engineering,2011,22 (17):2136-2141.
[3]曾宪中,章桐.序列二次规划法在行人小腿保护的保险杠系统优化中的应用[J].汽车工程, 2011,33(2):122-126.
Zeng Xianzhong,Zhang Tong.The Application of Sequential Quadratic Programming to the Optimization of Bumper System for Pedestrian Lower Leg Protection[J].Automotive Engineering,2011,33 (2):122-126.
[4]曹立波，陈杰，欧阳志高，等.基于碰撞安全性的保险杠横梁轻量化设计与优化[J].中国机械工程, 2012,23(23):2888-2893.
CaoLibo,Chen Jie,Ouyang Zhigao,et al.Lightweight Design and Optimization of Bumper Beam Based on Automotive Crash Safety[J]. China Mechanical Engineering,2012,23(23):2888-2893.
[5]Shin M K, Yi S I, Kwon O T, et al.Structural Optimization of the Automobile Frontal Structure for Pedestrian Protection and the Low-speed Impact Test[J]. Journal of Automobile Engineering ,2008,222:2373-2387.
[6]Park D K,Jang C D,Lee S B,et al.Optimizing the Shape of a Bumper Beam Section Considering Pedestrian Protection[J]. International Journal of Automotive Technology, 2010,11(4):489-494.
[7]Lee K H,Bang I K.Robust Design of an Automobile Front Bumper Using Design of Experiments[J].Journal of Automobile Engineering, 2006,220:1199-1207.
[8]Huang T J,Wu J T,Hsiao C Y,et al.Design of a Bumper System for Pedestrian Lower-leg Protection Using the Taguchi Method[J]. Journal of Automobile Engineering,2011,225:1578-1586.
[9]高伟钊，莫旭辉，付锐，等. 基于Kriging的泡沫填充锥形薄壁结构耐撞性6σ稳健性优化设计[J]. 固体力学学报, 2012, 33(4): 370-377.
Gao Weizhao,Mo Xuhui,Fu Rui,et al.Robustness Optimization Design of the Crashworthiness for Foam-filled Tapered Thin-walled Structure Based on Kriging Method [J].Journal of Solid Mechanics,2012,33(4): 370-377.
[10]李继川，程秀生. 汽车前部保险杠的耐撞性及结构优化方法[J].汽车工程，2008,33(11):984-986.
Li Jichuan,Cheng Xiusheng.Crashworthiness and Structural Optimization of Front Bumper[J]. Automotive Engineering, 2008, 33(11): 984-986.
[11]Fang H,Rais-Rohani M, Liu Z, et al.A Comparative Study of Metamodeling Methods for Multiobjective Crashworthiness Optimization[J]. Computers and Structures,2005,83:2121-2136.
[12]Hou Shujuan,Dong Duo,Ren Lili,et al.Multivariable Crashworthiness Optimization of Vehicle Body by Unreplicated Saturated Factorial Design[J]. Struct. Multidisc. Optim.,2012,46:891-905.