混合电动汽车电池管理系统策画.pdfVIP

第 25 卷 第 9 期 电子测量与仪器学报 Vol. 25 No. 9 2011 年 9 月 JOURNAL OF ELECTRONIC MEASUREMENT AND INSTRUMENT · 787 · DOI: 10.3724/SP.J.1187.2011.00787 混合电动汽车电池管理系统设计* 1 1 1 2 2 2 宋雪桦 吴和生 刘锦娟 孙金虎 薛小莉 张育华 (1. 江苏大学计算机科学与通信工程学院通信工程系, 镇江 212013; 2. 镇江恒驰科技有限公司 镇江 212009) 摘 要: 目前已存在的电池管理系统相对薄弱, 对电池实时工作状态和一些故障很难监控。设计了适用混合电动汽车上动 态均衡式的电池管理系统(BMS)。硬件系统采用 MC9S12XEP100 微控制器(MCU), 通过分析电池管理系统的原理和特点, 分别 进行了上、下位机软件的设计, 实现了安时法和 Kalman 两种剩余电量 SOC 算法的交互应用, 优化了 SOC 估算, 满足了系统估 算 5%以内的误差要求, 实验最终结果误差为 3.3% 。同时解决了系统硬件掉电问题, 实现上位机直接对数据的显示。测试实验 表明系统达到了预期的目标。 关键词: 电池管理系统；剩余电量 SOC ；微控制器 中图分类号: U469.72 文献标识码: A 国家标准学科分类代码: 520.40 Design of battery management system for hybrid electrical cars Song Xuehua1 Wu Hesheng1 Liu Jinjuan1 Sun Jinhu2 Xue Xiaoli2 Zhang Yuhua2 (1. Department of Computer Science and Telecommunication Engineering, Jiang Su University, Zhenjiang 212013, China; 2. Department of Research Development Hents Technologies Inc. Zhenjiang, Jiangsu, Zhenjiang 212009, China) Abstract: The existed battery management system is relatively weak in the battery real-time monitoring. The real work of the battery status, fault is difficult to monitor.This paper presents a battery management system (BMS) for hy- brid\electrical cars based on MC9S12XEP100, including hardware architecture and software development, and also analyses the principles and characteristics of battery management system. The upper computer and lower MCU soft- ware were designed, with the realization of SOC Algorithm by applications of AH metering and Kalman Filtering. Op- timizing SOC calculate. Meeting the requirements of the calculation error of SOC 5%,