According to the problem that the data processing center of common vehicle monitoring system in the remote server, users must ensure that the system is connected to the Internet.A set of commercial vehicle monitoring system is designed, whose data processing center is located in Android client.The CAN messages token by the lower computer Cortex-A8 are transmitted to the Android client by wireless WiFi, then the messages will be parsed and showed, the personal location and vehicle information is connected by wireless 3G.Test result shows that diagnosis and monitoring are fast and accurate, the wireless data is transmitted real-timely, and this system also applies in net broken conditions.%针对车辆监控系统数据处理中心位于远程服务器,用户必须进行联网操作的问题,设计并实现了一套数据处理中心位于Android客户端的商务车监控系统.利用无线WiFi通信将下位机Cortex-A8端采集的车辆CAN报文传送至Android端,在Android端参照SAEJ-1939协议进 行故障与发动机状态的报文解析并显示结果.利用3G无线传输技术,实现对个人信息和车辆信息的 远程管理与存储.测试结果表明,该系统诊断与监测结果快速准确,无线数据传输实时性强,断网 状况同样适用.
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