Data flow based car fault diagnosis method
A technology for vehicle faults and diagnosis methods, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as lack of knowledge, inability to solve new problems, affecting the accuracy of problem solving, and improve accuracy. , the effect of reducing human dependence
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[0015] see figure 1 , in this embodiment, first use the data flow algorithm to mine the real-time vehicle failure data, obtain useful information in the vehicle failure data flow, and save the mining results in the temporary vehicle failure case library as the source of the vehicle failure knowledge base ; Then utilize the temporary vehicle failure case base to update the vehicle failure knowledge base, and realize the timely updating of the vehicle failure knowledge base by similarity matching calculation; The knowledge or cases in the case base can be used to obtain the information with the most similar characteristics to the new car fault problem and use it to solve the diagnosis problem.
[0016] In the specific implementation, the improved data stream clustering algorithm is adopted. First, the clustering algorithm is used to calculate m first-level centroids. When the second group of m first-level centroids is calculated, the minimum distance principle clustering algorit...
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