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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Distributed Diagnostic Monitoring and Fault Tolerant Control of Vehicle Electrical and Electronic Devices
verfasst von : Shanshan Fan, Diange Yang, Tao Zhang, Xiaomin Lian
Erschienen in: Proceedings of the FISITA 2012 World Automotive Congress
Verlag: Springer Berlin Heidelberg
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Abstract
To ensure the normal operation of the vehicle electrical and electronic device system (VEEDS), this paper presented a distributed on-line fault diagnostic method for the VEEDS, and also designed the fault tolerant control (FTC) system for it. All the vehicle electrical and electronic devices (VEEDs) are divided into two classes: backbone device and subnet device, which are connected by the CAN/LIN bus, forming a distributed network. The electrical devices have the function of self-diagnosis, and can feedback the diagnostic information through the bus in real time. There is a central coordinator to receive the state information of all the devices and carry out the fault tolerant control of VEEDS. The distributed fault diagnostic and tolerant control method was implemented on an automotive electrical system, and the test results show that this method is available for the monitoring of the vehicle electrical system in real time, and can obviously improve the performance of the VEEDS whenever faults occur.