Identification method for turnout faults

A technology for fault identification and turnout, which is applied in the field of rail transit, can solve the problems of missed reporting and false reporting, and achieve the effects of strong practicability, wide application range and improved accuracy

Active Publication Date: 2017-09-26
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a method for identification of turnout faults to at least solve the problem in the prior art of judging the type of turnout faults by manual experience, resulting in missed and false positives

Method used

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  • Identification method for turnout faults
  • Identification method for turnout faults
  • Identification method for turnout faults

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Embodiment 1

[0061] In this embodiment, a method for identification of a turnout fault is provided, figure 1 is a flow chart of a method for identifying a fault in a turnout according to an embodiment of the present invention, such as figure 1 As shown, the flowchart includes the following steps:

[0062] Step S11: collect each action curve of the turnout;

[0063] Step S12: Divide the obtained switch action curves into normal curves and fault curves;

[0064] Step S13: For the normal curve and the fault curve, select a curve with the most representative characteristics as the representative curve of this type of curve;

[0065] Step S14: use the similarity algorithm to calculate the similarity 1 between the curve to be identified and the normal representative curve, and the similarity 2 between the curve to be identified and the fault representative curve;

[0066] Step S15: Compare the calculated similarities. If the similarity 1 is greater than the similarity 2, the curve is a normal...

Embodiment 2

[0085] In this embodiment, a method for identifying a fault of a switch is also provided.

[0086] Figure 4 It is a flow chart of the method for identifying a fault in a turnout according to Embodiment 2 of the present invention, such as Figure 4As shown, the method includes the following steps: collecting each action current curve of the turnout in the microcomputer monitoring system; classifying the acquired action current curves of the turnout, which can be divided into normal curves and fault curves, and the fault curves can be further divided into: The disconnection curve of the starting circuit, the sudden stop rotation curve after the turnout is started, the foreign body curve in the turnout, the stator-rotor mixed line curve of the switch machine, the inflexible action curve of the automatic switch, the start-up delay curve of the switch machine, and the locking current exceeding the standard The curve and the switch action current are zigzag curves; the average val...

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Abstract

The invention provides an identification method for turnout faults. The method comprises steps as follows: a curve of each action of a turnout is collected; the obtained turnout action curves are divided into normal curves and fault curves; for the normal curves and the fault curves, one normal curve and one fault curve with the most representative characteristics are selected as representative curves of the normal curves and the fault curves respectively; similarity 1 of a to-be-identified curve and the representative normal curve and similarity 2 of the to-be-identified curve with the fault representative curve are calculated with a similarity algorithm; the similarity 1 and the similarity 2 obtained through calculation are compared, if the similarity 1 is larger than the similarity 2, the curve is a normal curve, and if the similarity 1 is smaller than the similarity 2, the curve is a fault curve. According to the identification method for the turnout faults, the problems of missing report and mistaken report caused by the fact that the turnout fault type is judged through artificial experience in the prior art are solved, so that the turnout fault category is automatically identified, repair efficiency and system reliability are improved, and traffic safety is guaranteed.

Description

technical field [0001] The invention relates to the field of rail transit, in particular to a method for identifying a turnout failure. Background technique [0002] Turnout is an essential line equipment when a train transfers from one track to or crosses another track. It is an important part of the railway track and is also the equipment with the highest failure rate. Once the turnout breaks down and cannot complete the prescribed action, it will temporarily stop for several hours, which will delay the time of a large number of passengers; [0003] At present, the microcomputer monitoring system is mainly used in my country to monitor the state of the turnout. From the actual application situation on the spot, it is mainly through manual observation of the current curve of the turnout collected by the microcomputer monitoring system to identify the fault type, which requires a large number of staff; the identification accuracy It mainly depends on whether the relevant per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06F2218/04G06F2218/12
Inventor 黄世泽张帆陈威余亮亮
Owner TONGJI UNIV
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