Online Fault Diagnosis of Hybrid Electric Vehicles Based on Embedded System
In this paper, embedded system was used to work for the online fault diagnosis of hybrid electric vehicles (HEV). This system took 32-bit embedded one as a hardware platform, customized a WinCE6.0 operation system and used Embedded Visual C++ (EVC) as the tool to design the embedded application. Through this online diagnosis device, the failure phenomenon, failure causes and failure rules on hybrid electric vehicles were put forward. CAN communication and protocol SAE J1939 were applied in this system. As for the need of Real-timing faultdiagnosis, a new method of layered fault-diagnosis theory and reasoning algorithm which based on event trigger was presented. Meanwhile, the degree of confidence was counted by uncertainty reasoning rules. Testing results show that the online fault diagnosis equipment was very accurate and effective.
HEV Embedded system On-tine fault diagnosis
Changqing Song Jun Li Dawei Qu Dongqing Zhou Luyan Fan
State Key Laboratory of Automobile Dynamic Simulation, Jilin University Chang Chun, China
国际会议
长春
英文
274-277
2010-08-24（万方平台首次上网日期，不代表论文的发表时间）