Fault diagnosis method and device based on action current curve of switch machine

Abstract

The embodiment of the invention provides a fault diagnosis method and device based on an action current curve of a switch machine. According to the method, feature data corresponding to current curvesamples marked with a fault type is pre-stored, target feature data of the action current curve of the switch machine about to be subject to fault diagnosis is acquired, target current curve samples similar to the current curve are screened out of the current curve samples according to the target feature data and the feature data corresponding to all the current curve samples marked with the faulttype, a target fault type is determined according to the fault type corresponding to all the target current curve samples, and the target fault type is the type of a fault of the switch machine. Through comparison with the current curve samples marked with the fault type, automatic recognition of the fault of the switch machine is realized, the accuracy of fault recognition is improved, the possibilities of missing judgment and misjudgment are lowered, and fault recognition efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of switch machine maintenance, in particular to a fault diagnosis method and device based on the operating current curve of a switch machine. Background technique [0002] The failure of urban rail signal equipment is one of the main factors that interfere with the normal transportation order of railways. If the failure of rail signal equipment can be quickly dealt with and restored, it can greatly reduce the impact on the order of subway transportation passengers. Turnout switch machine (for example, ZDJ9 type turnout switch machine) is one of the three outdoor components maintained by the rail power department (the three outdoor components include switch switch machine equipment, track circuits and signal machines), and is used to realize signal The basic equipment of the interlocking relationship. According to statistics, turnout switching equipment is already the equipment with the highest failure rate ...

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a fault diagnosis method and device based on the operating current curve of the switch point machine, which is used to solve the problem in the prior art that the identification of the fault of the switch point machine mainly relies on manual participation, and the possibility of missed judgment and misjudgment The problem of high reliability and low efficiency of fault identification

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