WU Di, GE Ting-wu, QIN Wen-bin etc. Fault Mode Analysis on Fiber Laser[J]. Chinese Journal of Luminescence, 2018,39(7): 1002-1007 DOI: 10.3788/fgxb20183907.1002.
In order to meet the needs of professional and nonprofessional personnel about fast repairing the fault fiber laser in the practical engineering and production applications
a fast fault mode and fault cause analysis system was reaearched. First
the fault mode and fault cause of the damaged laser in actual use were collected as samples. The extended fault tree of fiber laser was established by the fault tree analysis and failure mode effect criticality analysis
i.e
. the corresponding relationship between failure mode and fault cause was constructed. Then
Bayesian network was used to analyze and obtain the prior probability and posterior probability of each failure mode and fault cause. Using Python to write interactive window and call database data
the corresponding probability was calculated. Finally
the possible fault mode and correspond probability were output through interactive interface
so as to achieve rapid analysis of fiber laser fault. The analysis system simulation results coincide with the reality
calculating less than 1 s
so the system can basically meet the relevant personnel to guide the rapid troubleshooting and repair requirements.
关键词
Keywords
references
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