电动车电池管理系统软件设计与SOC预测研究  

Software Design of FCEV Battery Management System and Prediction of SOC

作　　者：邓坚[1] 江慧[1] 全书海[1] 

机构地区：[1]武汉理工大学自动化学院,湖北武汉430070

出　　处：《仪表技术》2010年第12期12-15,共4页Instrumentation Technology

基　　金：国家863计划资助项目(2006AA11A133)

摘　　要：文章针对燃料电池电动车的特点,提出了一种监测燃料电池电动车电池状态的电池管理系统的软件设计方案。该系统通过对燃料电池单体电压、温度的采集和电池包总电压、总电流的测量,实现电池荷电状态(SOC)的计算,以及与上位机、整车的通信功能。该系统提出一种新方案来提高SOC估计值的精度,采用CAN总线的分布式结构,以嵌入式实时操作系统μC/OS-Ⅱ为系统软件平台,进行多任务设计,提高了系统运行的可靠性,有利于系统功能的扩展。In view of the characteristic of the fuel cell electric vehicle,the software of a kind of battery management system is design.Through measurement of single battery＇s voltage,temperature and battery pack＇s total voltage,the battery state of charge（SOC） calculations,as well as communicating with the host computer and the whole vehicle are achieved.The system comes up with a new program to improve the accuracy of SOC estimation.Based on the CAN bus distributed structure,the embedded real-time operating system μC/OS-Ⅱ is used for the system software platform to carry on the battery management system＇s multi-duty design.This design enhances the reliability of the system.It＇s helpful for the system function＇s expansion.

关 键 词：电池管理 μC/OS-Ⅱ SOC预测 卡尔曼滤波 

分 类 号：TP271[自动化与计算机技术—检测技术与自动化装置]