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High-speed train fault handling method

A fault handling method, high-speed train technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., to achieve the effect of saving maintenance costs and reducing fault maintenance costs

Inactive Publication Date: 2014-05-14
INST OF SOFTWARE - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the existing fault cause processing method based on Bayesian network is no longer applicable

Method used

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  • High-speed train fault handling method
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Embodiment Construction

[0027] The following will clearly and completely describe the technical solution in that embodiment of the present invention in conjunction with the accompanying drawings in the embodiment of the present invention. It should be understood that the described embodiments are only some of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Principle of invention

[0029] The present invention uses association rules to mine and obtain the association relationship between faults. At the same time, the present invention uses rule matching to find the causal relationship among massive faults. First, the principles and steps are described in detail as follows:

[0030] (1) Mining the association rules for the failure sets of high-speed trains within the spe...

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Abstract

The invention relates to a high-speed train fault handling method. The method comprises the steps of 1) querying faults and fault codes in a fault list, which occur during a user set time, to compose a fault set; 2) scanning the fault set to obtain a frequent item set meeting the minimum support level and then obtain a legal fault association rule set; 3) expresses the legal fault association rule set in a rule diagram, and matching the faults in the fault list in the step 1) with the nodes of the rule diagram; 4) traversing the routes to be matched of all the nodes in the matched rule diagram, computing the importance of the faults represented by the nodes on the routes to be matched and performing sequence sorting; 2) according to the importance sequence of the faults to perform treatment. The high-speed train fault handling method can support fault reason analysis under the condition of lack of expert knowledge and meanwhile find out cause and effect in massive faults through rule matching, so that maintenance can be performed preferentially on high-importance source faults, and further the fault maintaining cost of high-speed trains can be greatly reduced.

Description

technical field [0001] The patent of the present invention relates to fault diagnosis technology, in particular to a method for analyzing and processing the fault causes of high-speed trains. Background technique [0002] The complex causal relationship between faults in the network control system of high-speed trains has brought great difficulties to train maintenance. Therefore, finding the cause of the failure and locating the root cause of the failure are of great significance to saving the cost of train maintenance. [0003] The current fault cause analysis and processing methods usually use Bayesian network to model the causal relationship between faults based on expert experience, and obtain possible root faults by solving the Bayesian network. Bayesian network is a kind of probabilistic network, which is a graphical network based on probabilistic reasoning, and Bayesian formula is the basis of this probabilistic network. Bayesian network is a mathematical model bas...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 乔颖张克铭王宏安赵琛
Owner INST OF SOFTWARE - CHINESE ACAD OF SCI
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