电动汽车电池管理系统研究进展

Study process of battery management system in electric vehicles

电池动力汽车作为新型环保型汽车受到了广泛关注。电池管理系统作为电动汽车稳定高效运行的保障,对电动汽车的发展起着关键作用。简单介绍了电动汽车发展研究成果,基于现阶段电池管理系统的发展成果,给出了一种电池管理系统的典型结构,介绍了系统的简单模块分布。重点总结分析了现有的一些SOC估算、热管理及均衡管理的功能及实现方法。通过分析各典型电池管理模块性能特点,提出了对电动汽车电池管理系统的未来展望。

Electric vehicles, regarded as a new kind of environment friendly cars, have been widely concerned. To promise a stable and efficient operation of electric vehicles, battery management system(BMS) is necessary. The research achievements of both domestic and international electric vehicle development were introduced. A typical frame of battery management system was given based on the development achievements of the current battery management system, and the simple module distribution of the system was introduced. The functions and realization methods of SOC estimation, thermal management and balance management were summarized and analyzed. After analyzing the performance and characteristics of many typical battery management modules, the research and development direction of the electric vehicle battery management system was prospected.