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Research and Application of Fault Diagnosis System on the Center Control Equipment of 8K Electric Locomotive

Author: ZhuJianFeng
Tutor: HuangZhiWu
School: Central South University
Course: Control Theory and Control Engineering
Keywords: Troubleshooting Expert System Fault Tree Knowledge Representation
CLC: U269.6
Type: Master's thesis
Year: 2005
Downloads: 88
Quote: 2
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Abstract


8K electric locomotive central cabinet locomotive control system is the core part, which controls the entire operation of the locomotive , its fault detection and diagnosis has a very important significance. This paper analyzes the status of the central cabinet control system , combined with the development of the modern theory of fault diagnosis , research, developed a rule-based fault diagnosis system of the central cabinet . Its research and the use of 8K electric locomotive for the safe operation of great significance. According to the central cabinet fault diagnosis system to achieve different functions , the paper the entire system is divided into three units : the central cabinet fault diagnosis unit , wireless data transmission unit and ground analysis unit , and they were carried out analysis and design. Central cabinet fault diagnosis unit is the core of fault diagnosis system . Paper uses a fault tree analysis and fault diagnosis expert system combines the method of fault diagnosis system : the use of fault tree knowledge generation fault diagnosis expert system knowledge base ; application framework notation and production rule representation method are combined for fault diagnosis knowledge representation ; performed using forward and reverse mixed reasoning strategy expert knowledge reasoning ; to C builder6 the fault diagnosis system software development platform ; developed a rule-based fault diagnosis system . Wireless data transmission unit with radio and LON network set up wireless data communication network locomotive , the locomotive to achieve wireless data transmission . Surface analysis unit to server as the core , which provides locomotive fault diagnosis , failure analysis and statistical and other functions and through the local area network to achieve the locomotive fault information sharing. 8K electric locomotive central cabinet locomotive fault diagnosis system to achieve real-time fault diagnosis, online inquiries, locomotive wireless transmission of data and fault information storage, statistics, analysis and printing. System is easy to operate , stable performance during use by the users.

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CLC: > Transportation > Rail transport > Locomotive works > Depot, locomotive maintenance and repair > Electric locomotive overhaul
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