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A method and system for troubleshooting equipment fault components

A technology for equipment failure and components, which is applied in the field of equipment failure component troubleshooting methods and systems, and can solve problems such as waste of time and energy, low efficiency of equipment failure component troubleshooting, etc.

Active Publication Date: 2018-08-31
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, most of the faults of hydraulic press equipment are based on the subjective judgment of the fault phenomenon. This method is easily limited by the subjective consciousness of the person and the technical personnel's own skills, and the troubleshooting is based on experience, not based on a certain order. Therefore, it is easy It causes a certain waste of time and energy, which leads to low efficiency in troubleshooting equipment fault components

Method used

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  • A method and system for troubleshooting equipment fault components
  • A method and system for troubleshooting equipment fault components
  • A method and system for troubleshooting equipment fault components

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Embodiment 1

[0066] figure 1 It is a schematic flow chart of the method for troubleshooting equipment fault components in the embodiment of the present invention Figure 1 ,Such as figure 1 As shown, the equipment fault component troubleshooting method provided by the present invention specifically includes the following steps:

[0067] Step 101: Obtain abnormal component status data and equipment failure maintenance data.

[0068] Step 102: Establish a fault-component-sensor Bayesian belief network model according to the component status abnormal data and the equipment fault maintenance data; the fault-component-sensor Bayesian belief network model includes: sensors, components and Equipment setting failure; in the failure-component-sensor Bayesian belief network model, the sensor is connected to the component, and the component is connected to the equipment setting failure; the sensor is connected to the component Indicates that the sensor detects whether the component is abnormal; th...

Embodiment 2

[0080] figure 2 It is a schematic flow chart of the method for troubleshooting equipment fault components in the embodiment of the present invention Figure II ,Such as figure 2 As shown, the equipment fault component troubleshooting method provided by the present invention specifically includes the following steps:

[0081] Step 201: Obtain component state abnormality data and equipment failure maintenance data.

[0082]Step 202: Establish a fault-component-sensor Bayesian belief network model according to the component state abnormal data and the equipment fault maintenance data; the fault-component-sensor Bayesian belief network model includes: sensors, components and Equipment setting failure; in the failure-component-sensor Bayesian belief network model, the sensor is connected to the component, and the component is connected to the equipment setting failure; the sensor is connected to the component Indicates that the sensor detects whether the component is abnormal;...

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Abstract

The invention discloses a method and system for troubleshooting equipment fault components. By acquiring abnormal component state data and equipment fault maintenance data, a fault-component-sensor Bayesian belief network model is established, and based on the fault-component-sensor Bayesian belief The network model calculates the probability of the actual abnormality of the component when the sensor connected to the component detects that the component is abnormal; arrange this probability in order from large to small to obtain the probability of the actual abnormality of the arranged components, and pass the actual abnormality of the arranged components The order of abnormal probability corresponds to the arrangement of components, and the components that are arranged first are the components that are checked first. That is to say, the method or system provided by the present invention can systematically establish the relationship among faults, components and sensors, and according to this relationship, the components most likely to fail when equipment failures occur can be quickly obtained, avoiding artificial Subjectively conduct troubleshooting to improve the efficiency of troubleshooting equipment failure components.

Description

technical field [0001] The invention relates to the technical field of equipment maintenance, in particular to a method and system for troubleshooting equipment fault components. Background technique [0002] At present, most of the faults of hydraulic press equipment are based on the subjective judgment of the fault phenomenon. This method is easily limited by the subjective consciousness of the person and the technical personnel's own skills, and the troubleshooting is based on experience, not based on a certain order. Therefore, it is easy It causes a certain waste of time and energy, which leads to low efficiency in troubleshooting equipment fault components. Therefore, how to improve the troubleshooting efficiency of equipment fault components is an urgent problem to be solved in the technical field of equipment maintenance. Contents of the invention [0003] The purpose of the present invention is to provide a method and system for troubleshooting equipment fault co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62G06Q10/00
CPCG06Q10/20G06F18/24155G05B23/0262
Inventor 张强杨善林王婉莹彭张林陆效农裴军
Owner HEFEI UNIV OF TECH
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