Research on fault diagnosis method of civil aircraft based on collaborative filtering theory

Abstract

Abstract:

Collaborative filtering theory is used in fault diagnosis field of civil aircrafts. Similarities between faults in the theory are calculated by Pearson method and vector cosine method. By analyzing the defects of collaborative filtering method,the concept of meta-similarity and weight are applied to solve these problems. Finally,practical instances in different conditions prove the learning ability and high accuracy of collaborative filtering theory and the optimized method,which can be applied in civil aircraft fault diagnosis,helping improve maintenance efficiency and reduce operating costs.

Key words: fault diagnosis, collaborative filtering, vector cosine, meta-similarity

CLC Number:

V231.3

XUE Peng. Research on fault diagnosis method of civil aircraft based on collaborative filtering theory[J]. .

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