新能源汽车电池管理系统多目标优化设计

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中图分类号：U463.63 文献标识码：A 文章编号：1003-8639（2026）01-0017-03

Multi-objective Optimization Design of Battery Management System for New Energy Vehicles

Li Chunyan

(Yunnan Forestry Vocational and Technical College,Kunming 65O224,China)

【Abstract】Aiming at the technical bottenecks of traditional new energy vehicle batery management systems (BMS)interms of monitoringaccuracy,thermal management performance,energy balancing efficiencyandoperational reliability,thispaper conductsmulti-objective optimization design.Bybuilding a precise monitoring system,developing an air-coled-liquid-cooled coupled thermal management system,optimizing the bidirectional DC/DC energy balancing technology and modularredundant architecture,and combining simulationanalysis andreal vehicle testing to verify the optimization effect.The results show that after optimization,the fault diagnosis accuracy of BMS has increased to 95.3% ， the maximum battery temperature has decreased by 15.2∘C ,the energy balancing efficiency has increased by 41.6% ,the system communication bit error rate has decreased to below 10-6 ,and the operational reliability has increased by 23% ： The researchresults have passedthe ISO 26262 functionalsafetycertification,whichcan providetheoreticalandpractical support for the technological upgrade of BMS and meet the conditions for industrial promotion.

【Key words】new energy vehicles; battery management system; multi-objective optimization

0 引言

近年来，全球新能源汽车产业在“双碳”目标驱动下呈爆发式增长，2023年全球销量突破1400万辆，中国市场产销量连续9年位居世界首位（IEA，2024）。（剩余5501字）