基于车载网络的汽车数字仪表系统设计  

Design of a digital vehicle instrument system based on in-vehicle network

作　　者：胥军[1] 孙久强[1] 丁一[1] 杨保安[1] 

机构地区：[1]武汉理工大学机电工程学院,湖北武汉430070

出　　处：《应用科技》2013年第3期10-14,共5页Applied Science and Technology

基　　金：中央高校基本科研业务费专项资金资助项目(133204001);武汉市青年科技晨光计划资助项目(20127103141)

摘　　要：随着控制单元数目的不断增多,汽车电控系统结构日趋复杂.针对某天然气城市客车设计了一种基于车载网络的灵活性强、可靠性高的数字仪表系统,该系统开发采用了组件化设计方法,基于HCS12嵌入式处理器,通过CodeWarrior软件开发平台和Vspy3故障诊断平台实现系统的快速开发.系统中包括基于CAN的仪表信息模块和步进电机式仪表盘,不仅可以直观地显示车辆运行信息,还能够通过总线接口实现故障诊断.试车运行结果表明,该系统达到了良好的运行效果,稳定可靠.The structure of the vehicle control system is becoming more and more complex due to the increasing number of electronic control units（ECU）.A flexible and reliable digital vehicle instrument system based on in-vehicle network is designed and implemented on a new natural gas city bus.Based on HCS12 embedded processor,the instrument control system adopts modularization design method and can implement rapid development through CodeWarrior software platform and Vspy3 diagnosis platform.The vehicle control system contains an information module and a digital stepper motor panel,which can realize the visual displaying of vehicle running information and the fault diagnosis through bus interface.The instrument system has been proved to be effective and reliable through road driving test.

关 键 词：车辆控制系统 车载网络 控制器局域网 电子控制单元 数字仪表系统 Vspy3 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]