制动工况下主动卷收器参数对乘员离位位移影响的分析*

doi:10.19562/j.chinasae.qcgc.2020.05.008

汽车工程 ›› 2020, Vol. 42 ›› Issue (5): 615-620.doi: 10.19562/j.chinasae.qcgc.2020.05.008

制动工况下主动卷收器参数对乘员离位位移影响的分析^*

胡远志¹, 朱鸿旭¹, 曾宪菁², 王振飞³, 徐紫红³, 蒋成约¹

1.重庆理工大学,汽车零部件先进制造技术教育部重点实验室,重庆 400054;
2.泛亚汽车技术中心有限公司,上海 201201;
3.天合汽车科技(上海有限公司,上海 201814

出版日期:2020-05-25 发布日期:2020-06-17
通讯作者: 蒋成约,教授,E-mail:jiangchengyue@cqut.edu.cn
基金资助:
*国家自然科学基金(51405050)、汽车噪声振动和安全技术国家重点实验室2019年度开放基金课题(NVHSKL-201908)和重庆市教委科学技术研究项目(KJQN201901141)资助。

An Analysis on the Effect of Active Retractor Parameters on Occupant's Out-of-position Displacement Under Braking Condition

Hu Yuanzhi¹, Zhu Hongxu¹, Zeng Xianjing², Wang Zhenfei³, Xu Zihong³, Jiang Chengyue¹

1.Chongqing University of Technology, Key Laboratory of Advanced Manufacturing Technology for Automobile Parts, Ministry of Education, Chongqing 400054;
2.Pan Asia Technical Automotive Center Co., Ltd., Shanghai 201201;
3.TRW Automotive Technologies (Shanghai) Co., Ltd., Shanghai 201814

Online:2020-05-25 Published:2020-06-17

摘要/Abstract

摘要： 主动控制卷收器(ACR)能改善乘员的离位位移并降低二次碰撞的风险。为探究制动工况下ACR对乘员的影响,首先进行志愿者实车道路试验和试验数据的乘员运动响应分析,并建立了包括主动人体模型的仿真模型。模型对标后搭建Kriging近似模型并采用NSGA-Ⅱ算法进行ACR参数优化。结果表明:优化后头部质心和第一胸椎(T1)的离位量分别减小了55%和73.44%,且回弹阶段各部位加速度明显减小,预紧力和乘员离位量呈负相关趋势,且与制动前触发相比,制动后触发ACR时,预紧时间的变化对乘员离位的影响较大。

关键词: 主动控制卷收器, 实车试验, 主动人体模型, 预紧参数

Abstract: The active control retractor (ACR) is beneficial to the reduction of occupant's out-of-position displacement and the minimization of secondary impact risk. In order to investigate the effect of ACR on occupants in braking conditions, a volunteer real vehicle road test is conducted with occupant kinematics responses analyzed based on test data, and a simulation model including active human model is built. After the verification of simulation model, a Kriging approximation model is set up and an optimization on ACR parameters is conducted using NSGA-II algorithm. The results show that the out-of-position displacements of head mass center and the 1st thoracic spine (T1) are reduced by 55% and 73.44% respectively, the accelerations of all parts are lowered significantly during rebound phase, the pretension force and the occupant's out-of-position displacement shows a tendency of negative correlation, and compared with triggering before braking, the pretensioning time in triggering ACR after braking has a larger effect on the out-of-position displacement of occupant

Key words: active control retractor, real vehicle test, active human model, pretension parameters

胡远志, 朱鸿旭, 曾宪菁, 王振飞, 徐紫红, 蒋成约. 制动工况下主动卷收器参数对乘员离位位移影响的分析^*[J]. 汽车工程, 2020, 42(5): 615-620.

Hu Yuanzhi, Zhu Hongxu, Zeng Xianjing, Wang Zhenfei, Xu Zihong, Jiang Chengyue. An Analysis on the Effect of Active Retractor Parameters on Occupant's Out-of-position Displacement Under Braking Condition[J]. Automotive Engineering, 2020, 42(5): 615-620.

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制动工况下主动卷收器参数对乘员离位位移影响的分析^*

An Analysis on the Effect of Active Retractor Parameters on Occupant's Out-of-position Displacement Under Braking Condition

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