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Natural gas pipeline compressor unit fault analysis method based on matching degree calculation

A fault analysis method and matching degree calculation technology, applied in computer parts, computer-aided design, calculation, etc., can solve problems such as insufficient rules, low diagnostic accuracy, and narrow scope of application, and achieve strong communication, high applicability, The effect of convenient fault monitoring

Active Publication Date: 2022-01-28
PIPECHINA SOUTH CHINA CO
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Problems solved by technology

[0004] The existing technical solutions mentioned above have the following defects: the failure analysis models of natural gas pipeline compressor units are mostly based on the expert rule base, that is, for specific working conditions or specific models The operating conditions of the compressor unit are diagnosed and early-warned through the explicit rule definition, description and combination of the behavior of the sensors. In practical applications, there will be insufficient rules, low diagnostic accuracy, and narrow application range (rules cannot be used between different units and working conditions). General) and other issues

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  • Natural gas pipeline compressor unit fault analysis method based on matching degree calculation
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Embodiment Construction

[0045] The method of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0046] refer to figure 1 , a fault analysis method for natural gas pipeline compressor units based on matching degree calculation, the steps are as follows:

[0047] S1: Configure the fault model. Configuring the fault model is a pre-step to calculate the fault matching degree. The process of configuring the fault model involves multiple core concepts and their combination relationships. The related concepts and combination relationships are as follows:

[0048] A1: Set the fault model, which is the smallest independent unit for equipment fault monitoring. The fault model is a virtual logic concept, and its function is to logically combine and configure the entity objects used in the equipment early warning and diagnosis process;

[0049] A2: Set monitoring points, each monitoring point corresponds to an actual equipment sensor measurement poin...

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Abstract

The invention discloses a natural gas pipeline compressor unit fault analysis method based on matching degree calculation, relates to the technical field of pipe network compressor fault detection, and aims to solve the problems of insufficient rules, low diagnosis precision, narrow application range and the like of a fault analysis model of a natural gas pipeline compressor unit in practical application. According to the technical scheme, key points of the method comprise: configuring a fault model, i.e., setting a fault model, setting a monitoring point, setting a fault mode, starting the fault model and inputting monitoring; and then carrying out fault matching degree calculation, i.e., inquiring a strongly-correlated alarm record set, finding out a corresponding fault model set according to the strongly-correlated alarm record set, removing repeated fault modes, carrying out fault matching degree calculation on each fault mode, and calculating the matching degree value of each fault mode. The effects of convenient fault monitoring and high applicability are achieved.

Description

technical field [0001] The invention relates to the technical field of pipeline network compressor failure detection, in particular to a natural gas pipeline compressor unit failure analysis method based on matching degree calculation. Background technique [0002] Natural gas pipeline refers to the pipeline that transports natural gas (including associated gas produced in oil fields) from mining sites or processing plants to urban gas distribution centers or industrial enterprise users, also known as gas pipelines. Compressor units are required during the operation of gas pipelines Carrying out compressed transportation and using natural gas pipelines to transport natural gas is a way to transport large quantities of natural gas on land. Natural gas pipelines account for about half of the total length of pipelines in the world. Natural gas compressor units are an indispensable and important component in the pipeline network. [0003] Among the published literature and paten...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/00G06Q50/06G06K9/62G06F30/20G06F113/14
CPCG06Q10/20G06F30/20G06Q50/06G06F2113/14G06F18/241
Inventor 梁怿李佳鹏王刚刘东亮姚红亮郑双杰王多才任永磊马铁量
Owner PIPECHINA SOUTH CHINA CO
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