基于模糊层次分析法的纯电动汽车冷却系统的研究

Research on Cooling System of Pure Electric Vehicles Based on Fuzzy Analytic Hierarchy Process

当前纯电动汽车高压电池热失控事故,已经成为影响纯电动汽车技术发展和市场接受度的主要影响因素之一。为了减少纯电动汽车的发展障碍,提升纯电动汽车的市场接受度,为纯电动汽车冷却系统的设计提供思路,从纯电动汽车的使用环境和高压电池的热特性角度出发,分析了当前主要的纯电动汽车的冷却系统的种类、特点、使用特性和环境特性。然后,通过引用综合影响因素数学分析方法—模糊层次法,对当前纯电动汽车的高压电池冷却系统进行了优化分析,优选出了当前纯电动汽车冷却系统的最佳使用方法。

At present,the thermal runaway accident of pure electric vehicle in high-voltage battery has become one of the main factors affecting the technical development and market acceptance of pure electric vehicle.In order to reduce the development obstacles of pure electric vehicles,improve the market acceptance of pure electric vehicles,and provide ideas for the design of pure electric vehicle cooling system,this paper analyzes the types,characteristics,using characteristics and environmental characteristics of the main pure electric vehicle cooling system from the perspective of the using environment on pure electric vehicles and the thermal characteristics of high-voltage batteries.Then,by quoting the mathematical analysis method of comprehensive influencing factors fuzzy analytic hierarchy process,the optimization analysis of the current high-voltage battery cooling system of pure electric vehicle is carried out,and the optimal using method of the current pure electric vehicle cooling system is optimized as well.