Oil delivery pump fault identification method, device and system based on multi-source information fusion

A multi-source information fusion and fault identification technology, which is applied in pump testing, liquid variable displacement machinery, machines/engines, etc., can solve the problem of less parameter redundancy considerations, fault identification data biased towards redundant information, Problems affecting the accuracy of fault diagnosis of oil pumps, etc., to improve comprehensiveness and accuracy, achieve accurate diagnosis, and reduce redundancy

Active Publication Date: 2019-10-29
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

This makes the data finally used for fault identification unable to guarantee the characterization ability of the system state, which in turn affects the accuracy of oil pump fault diagnosis
Secondly, the existing fault identification methods have less consideration for the redundancy between parameters
There is often a certain redundancy between the parameters. For

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  • Oil delivery pump fault identification method, device and system based on multi-source information fusion
  • Oil delivery pump fault identification method, device and system based on multi-source information fusion
  • Oil delivery pump fault identification method, device and system based on multi-source information fusion

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[0066] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below in conjunction with the drawings in one or more embodiments of this specification Obviously, the described embodiments are only some of the embodiments in the description, not all of them. Based on one or more embodiments in the description, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the embodiments of the description.

[0067] At present, in the process of oil pump fault identification, due to the arrangement of a large number of sensors of different types and types, the collected oil pump state characterization parameters (such as vibration, temperature and other response signals) and process parameters (such as conveying medium, flow and pr...

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Abstract

The embodiment of the invention discloses an oil delivery pump fault identification method, device and system based on multi-source information fusion. The method comprises the following steps that amulti-source heterogeneous risk scene database corresponding to an oil delivery pump is constructed; a target risk scene is screened from the multi-source heterogeneous risk scene database according to the scene importance degree of the risk scenes in the multi-source heterogeneous risk scene database; monitoring parameters corresponding to the target risk scene are acquired, wherein the monitoring parameters at least comprise one or more kinds of a degradation state characterization parameter and a process parameter; and fusion parameters of the oil delivery pump are determined according to the monitoring parameters corresponding to the target risk scene, and the fusion parameters are utilized to perform fault identification on the oil delivery pump. By utilizing the embodiments of the specification, the accuracy of fault identification of the oil delivery pump can be improved.

Description

technical field [0001] The present invention relates to the technical field of pipeline oil transportation equipment diagnosis, in particular, to a method, device and system for identifying failures of oil transportation pumps based on multi-source information fusion. Background technique [0002] With the development of the national economy, pipeline transportation has occupied an increasingly important position in modern industry. As the key equipment for pipeline oil transportation, the oil pump is an important factor to ensure the normal operation of pipeline transportation. With the continuous advancement of the digitalization process, more and more sensors such as vibration sensors, temperature sensors, and pressure sensors are applied to the on-site status monitoring of oil pumps, and a large amount of monitoring data is generated every day. How to use a large amount of monitoring data to realize accurate and efficient diagnosis of fuel pump component failures is of ...

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Application Information

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IPC IPC(8): F04B51/00
CPCF04B51/00
Inventor 王金江王柯博张兴张来斌梁元元
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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