车载CAN总线故障诊断仪的设计  

Design of Diagnosing Equipment of Breakdown in CAN-BUS of Cars

作　　者：黄涛[1] 钟明[1] 

机构地区：[1]武汉理工大学信息工程学院,湖北武汉430070

出　　处：《武汉理工大学学报（信息与管理工程版）》2006年第11期117-121,共5页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：武汉市重点科技攻关资助项目(20033001005-5-3)

摘　　要：提出了一种车载CAN总线故障诊断仪方案;针对方案设计所涉及到的相关技术,论述了采用该技术的原因,然后详细介绍了该方案工作原理和系统流程,以及该系统中的硬件电路模块。基于各电路模块,介绍了其相应的下位机软件模块,包括CAN总线数据采集模块、USB固件程序模块,并给出了2个模块详细流程图。最后阐述了上位机软件整体结构,并介绍了相应的软件模块。A design of diagnosing equipment of CAN - BUS in cars is introduced. Reasons to use those techniques involved in this design are described. The working principle, flow chart of the system and electric circuit modules of hardware are introduced. The electric circuit modules are introduced which include a CAN data gathering module,a firmware program module, and their detailed flow charts are presented. The whole software structure of the system and its software modules are described.

关 键 词：车载 故障诊断 CAN USB KWP2000 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]