电动汽车动力电池管理系统的研究  

Study of battery management system of electric vehicle

作　　者：马斌强[1] 张宏伟 冯朝岭[1] 郭洁[3] 

机构地区：[1]河南农业大学,河南郑州450002 [2]郑州中鑫数码信息技术有限公司,河南郑州450002 [3]河南教育学院,河南郑州450046

出　　处：《河南农业大学学报》2010年第4期428-431,共4页Journal of Henan Agricultural University

基　　金：河南省教育厅自然科学基金项目(20049230101)

摘　　要：设计了一种以PICl8FXX8系列单片机为核心的电池管理系统.该系统引入CAN总线技术,采用主从式结构设计方法,利用PWM技术对动力电池恒电流充电过程中的电流进行调整,且各单体电池实行单点控制,通过PWM分流法实现充电过程中对各单体电池的电压均衡控制.该系统具有分布式、易嵌入的结构,硬件电路简单,外围器件较少,处理速度较快,抗干扰性能和实时检测可靠性较高.The design of master-slave control mode battery management system based on CAN bus technology that uses PICl8FXX8 MCU as the core is introduced in this paper.Each battery of the system is controled individually.The system is provided with the function of adjusting the current value with the PWM technology and governing the battery voltage equilibrium with the PWM distributing method during constant current charging.It has distributed structure with the advantages of easy embedding,simple circuit,fewer external devices,strong anti-jamming capability,and high reliability.

关 键 词：电动汽车 动力电池 CAN总线 充电均衡 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]