车对车斜角碰撞中灵敏因子的探究和约束系统的优化*

doi:10.19562/j.chinasae.qcgc.2018.010.006

汽车工程 ›› 2018, Vol. 40 ›› Issue (10): 1158-1165.doi: 10.19562/j.chinasae.qcgc.2018.010.006

车对车斜角碰撞中灵敏因子的探究和约束系统的优化^*

颜凌波^1,2, 张超², 许伟¹, 曹立波², 戴宏亮²

1.汽车噪声振动和安全技术国家重点实验室,重庆 400039;
2.湖南大学,汽车车身先进设计制造国家重点实验室,长沙 410082

收稿日期:2018-04-23 出版日期:2018-10-25 发布日期:2018-10-25
通讯作者: 颜凌波,博士,助理研究员,E-mail:milanylb@hotmail.com。
基金资助:
*汽车噪声振动和安全技术国家重点实验室2015年度开放基金(NVHSKL-201509)和国家自然科学基金项目(51605152)资助。

The Search for Sensitive Factors and the Optimization on Restraint System in Car-to-car Oblique Crash

Yan Lingbo^1,2, Zhang Chao², Xu Wei¹, Cao Libo², Dai Hongliang²

1.State Key Laboratory of Vehicle Noise-Vibration-Harshness and Safety Technology, Chongqing 400039;
2.Hunan University, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Changsha 410082

Received:2018-04-23 Online:2018-10-25 Published:2018-10-25

摘要/Abstract

摘要： 为寻找对斜角碰撞中有显著影响的约束系统参数,建立了SUV、中型车和小型车的驾驶员约束系统模型,采用均匀拉丁方方法进行试验设计,利用T检验筛选出不同车型车对车斜角碰撞中的灵敏因子,并针对灵敏因子进行了考虑车对车碰撞兼容性的约束系统优化。结果表明,车对车斜角碰撞中3种车型的灵敏因子大致相同;与每辆车单独优化相比,采用碰撞两车WIC值之和最小作为优化目标,除能有效减少目标车和同伴车的损伤值外,还可获得更好的车对车碰撞兼容性;不同车型在车对车斜角碰撞中的约束系统参数优化趋势有所不同,但仍有一定的共性,即优化一般会导致气体气囊质量流率的增加和安全带限力级别的降低。

关键词: 斜角碰撞, 灵敏因子, 参数优化, 碰撞兼容性

Abstract: To find the parameters of occupant restraint system having significant effects on car-to-car oblique crash, the models for driver's restraint system of SUV,mid-size car and compact car are created. The uniform Latin hypercube sampling is used for the design of experiment and T-test is utilized to get the sensitive factor of different types of vehicle in car-to-car oblique crash, based on which an optimization is conducted on restraint system with consideration of crash compatibility. The results show that the sensitive factors for three types of vehicle are roughly the same in car-to-car oblique crash. Compared with the optimization on each vehicle separately, the optimization with minimizing the sum of WIC value of both vehicles involved in crash as objective can not only effectively reduce the injury values of both vehicles, but also get better crash compatibility. Although the optimization trends of restraint system parameters for different vehicles are different, there are still some common features, i.e. optimization tends to increase the mass flow of airbag and reduce the force limit of seatbelt

Key words: oblique crash, sensitive factors, parameters optimization, crash compatibility

颜凌波, 张超, 许伟, 曹立波, 戴宏亮. 车对车斜角碰撞中灵敏因子的探究和约束系统的优化^*[J]. 汽车工程, 2018, 40(10): 1158-1165.

Yan Lingbo, Zhang Chao, Xu Wei, Cao Libo, Dai Hongliang. The Search for Sensitive Factors and the Optimization on Restraint System in Car-to-car Oblique Crash[J]. , 2018, 40(10): 1158-1165.

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车对车斜角碰撞中灵敏因子的探究和约束系统的优化^*

The Search for Sensitive Factors and the Optimization on Restraint System in Car-to-car Oblique Crash

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