基于GPRS与CAN总线的纯电动汽车无线监测平台的开发

山东大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (6): 109-114.

基于GPRS与CAN总线的纯电动汽车无线监测平台的开发

刘杨1,程勇1*,纪少波1,黄万友1,李闯2,张笑文2

1. 山东大学能源与动力工程学院, 山东济南 250061; 2. 济南市电动汽车运营有限公司, 山东济南 250014

收稿日期:2011-05-07 出版日期:2011-12-16 发布日期:2011-05-07
作者简介:刘杨(1986- ), 男, 山东潍坊人, 硕士研究生, 主要研究方向为电动汽车动力总成技术. E-mail:lysdu@126.com
基金资助:
国家高技术研究发展计划(863计划)重大项目(2009AA11A118)

Wireless monitoring platform development for electric vehicles based on GPRS and CAN bus

LIU Yang1, CHENG Yong1*, JI Shao-bo1, HUANG Wan-you1, LI Chuang2, ZHANG Xiao-wen2

1. School of Energy ＆ Power Engineering, Shandong University, Jinan 250061, China;
2. Jinan Electric Vehicle Operations Ltd., Jinan 250014, China

Received:2011-05-07 Online:2011-12-16 Published:2011-05-07

摘要/Abstract

摘要：

为考核电动汽车在实际道路工况运行时车辆性能及各关键部件匹配情况,基于GPRS／GPS与CAN总线开发了无线监测平台。车载监测终端通过CAN总线接口及预留接口可得到车辆、电动机、电池组的实时工作参数及故障信息,并通过GPRS无线网络传回监控中心,监控中心按通讯协议解析后实现车辆运行状态的实时监测。依据无线监控平台技术需求,开发了以双核MC9S12XET256微处理器为核心的车载监测终端,制定了车载监测终端与监控中心以数据包为基本单位的数据传输协议。实验室试验及实车道路测试结果表明通讯速率为5kb／s时,数据传输速率及准确率可满足对纯电动汽车实时运行参数监测的需求。

关键词: CAN总线, 电动汽车, 无线监测

Abstract:

A wireless monitoring platform based on GPRS and CAN bus was developed to evaluate electric vehicles real-time operating performance and the matching of vehicle’s key components under real road conditions. The vehicle motor’s and battery set’s working parameters as well as their fault messages were collected by the platform’s monitoring terminal with CAN bus, RS485, analog or digital interface and sent to the monitoring center by GPRS, and the monitoring center could monitor real-time data by transmission protocol analysis. To meet the requirements of the wireless monitoring platform, the terminal system was designed using MC9S12XET256, and the system’s transmission protocol was constituted with data frames. Laboratory experiment and road test results showed that the transfer accuracy could meet the demands of vehicle parameters’ real-time monitoring at 5kb／s communication speed.

Key words: CAN bus, electric vehicle, wireless monitoring

中图分类号:

U469.72

刘杨1,程勇1*,纪少波1,黄万友1,李闯2,张笑文2. 基于GPRS与CAN总线的纯电动汽车无线监测平台的开发[J]. 山东大学学报(工学版), 2011, 41(6): 109-114.

LIU Yang1, CHENG Yong1*, JI Shao-bo1, HUANG Wan-you1, LI Chuang2, ZHANG Xiao-wen2. Wireless monitoring platform development for electric vehicles based on GPRS and CAN bus[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2011, 41(6): 109-114.

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