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新能源汽车底部碰撞安全测评技术研究

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通过对复杂底部碰撞场景的分析,并基于托底工况,结合试验和仿真手段搭建出底部防护安全测评技术方案,揭示了底部磕碰障碍物和电池系统的作用机理.基于试验和仿真的联动分析,创建涵盖不同损伤因子的多工况、可结构设计优化的最优测评方案,为复杂场景工况合理提取、有效表征新能源汽车底部碰撞安全问题提供重要支撑.
Research on bottom collision safety assessment technology for new energy vehicles
This article analyzes complex bottom collision sce-narios and builds a bottom protection safety evaluation technology scheme based on bottom collision conditions,combined with ex-perimental and simulation methods,revealing the mechanism of bottom collision obstacles and battery systems.Based on the link-age analysis of experiments and simulations,an optimal evalua-tion plan covering multiple damage factors for structural design optimization was created,which provides important support for the reasonable extraction of complex scene working conditions and effective characterization of bottom collision safety issues in new energy vehicles.

green developmentnew energy vehiclesbottom col-lisionlinkage analysisdamage factor

闫鹏飞、何兴、高妍、刘祎帆

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中国汽车技术研究中心有限公司,天津 300300

中汽研新能源汽车检验中心(天津)有限公司,天津 300300

绿色发展 新能源汽车 底部磕碰 联动分析 损伤因子

国家重点研发计划

2021YFB2501500

2024

消防科学与技术
中国消防协会

消防科学与技术

CSTPCD北大核心
影响因子:0.846
ISSN:1009-0029
年,卷(期):2024.43(5)
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