基于SAE J1939的燃气发动机故障自诊断系统开发  

Development of Automatic Fault Diagnosis System for Natural Gas Engine Based on SAE J1939

作　　者：杨良义[1] 甘海云[1] 邓长祯 田高洁[1] 张大志[1] 

机构地区：[1]中国汽车工程研究院汽车噪声振动和安全技术国家重点实验室

出　　处：《汽车技术》2013年第2期50-55,共6页Automobile Technology

摘　　要：参考SAE J1939相关通讯和诊断协议,结合燃气发动机电喷系统配置,开发出了燃气发动机故障自诊断系统,实现了故障诊断、关键数据标定、故障管理、系统状态监测等功能,并设计了手持诊断仪和基于LabView的PC机故障诊断软件。通过故障模拟和台架试验等验证了该诊断系统的有效性和可靠性。Taking related communication and diagnosis protocols in SAE J1939 as reference,the paper develops an automatic fault diagnosis system in combination with the electric fuel injection system configuration for natural gas engine.The system can realize numerous functions,including fault diagnosis,key data calibration,fault management,condition monitoring of the system,etc.Besides,a hand-hold diagnostic device and fault diagnosis PC software based on LabView are designed.Finally the effectiveness and reliability of the diagnosis system are verified through fault simulation and bench tests.

关 键 词：燃气发动机 SAE J1939 故障自诊断系统 

分 类 号：U464.174[机械工程—车辆工程]