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基于最优碰撞波形的某电动汽车前端结构碰撞性能改进

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为实现电动汽车正面碰撞时车身结构吸能最大化,通过分析汽车最优碰撞波形构型的特点,结合理论和经验公式对汽车前端结构进行设计,同时引入弯折等变形模式,提出基于理论最优波形构型的车身结构正面碰撞性能改进方法。结果表明,改进后车体结构的碰撞波形与最优波形构型基本一致,同时乘员胸部加速度明显下降,提高了整车安全性。
Improving on Collision Performance of An Electric Vehicle Frontal Structure Based on the Optimal Collision Waveform
To maximize energy absorption of EV body structure in frontal collision,vehicle front-end structure is designed by analyzing the characteristics of the optimal collision waveform configuration,and combining theoretical and empirical formulas.Meanwhile,deformation modes such as bending are introduced,and a method to improve vehicle structure frontal collision property based on the theoretical optimal waveform configuration is proposed.The results show that the collision waveform of the improved vehicle body structure is basically consistent with the optimal waveform configuration,and there is a significant decrease in passenger acceleration,which improves the overall safety of the vehicle.

Electric vehicleOptimal collision waveformStructural improvementFrontal structure

唐洪斌、张君媛、王士彬、余雪婷

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中国第一汽车股份有限公司研发总院,长春 130013

高端汽车集成与控制全国重点实验室,长春 130013

吉林大学,长春 130022

电动汽车 最优碰撞波形 结构改进 前端结构

2024

汽车技术
中国汽车工程学会 长春汽车研究所

汽车技术

CSTPCD北大核心
影响因子:0.522
ISSN:1000-3703
年,卷(期):2024.(6)