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A method and system for fault diagnosis of industrial equipment based on knowledge graph

A technology of industrial equipment and knowledge graph, applied in the general control system, control/regulation system, test/monitoring control system, etc., can solve the problems that cannot improve the efficiency of troubleshooting equipment failures, and achieve the effect of convenient and accurate troubleshooting and avoiding dangerous accidents

Active Publication Date: 2022-03-25
中科蓝智(武汉)科技有限公司
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Problems solved by technology

[0005] In view of this, the present invention proposes a method and system for fault diagnosis of industrial equipment based on a knowledge map, aiming to solve the technical problem that the prior art cannot improve the efficiency of troubleshooting equipment by constructing a knowledge graph for fault diagnosis

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  • A method and system for fault diagnosis of industrial equipment based on knowledge graph
  • A method and system for fault diagnosis of industrial equipment based on knowledge graph
  • A method and system for fault diagnosis of industrial equipment based on knowledge graph

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0031] like figure 1 As shown, the device may include: a processor 1001 , such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keybo...

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Abstract

The invention proposes a method and system for diagnosing industrial equipment faults based on knowledge graphs. Including: collecting maintenance data of industrial equipment and corresponding fault information, constructing a knowledge graph based on the maintenance data of the industrial equipment and corresponding fault data; obtaining the current operating data of industrial equipment to be diagnosed, and measuring the similarity of the current operating data through the knowledge graph , to obtain the similarity degree value; set the similarity degree threshold, compare the similarity degree value with the similarity degree threshold, and generate corresponding fault information according to the comparison result. The present invention builds a comprehensive and complete knowledge map by collecting various industrial equipment maintenance data and fault information combined with other knowledge information in the field, and then judges the state of the industrial equipment to be diagnosed according to the knowledge map, not only can timely judge equipment faults, but also avoid At the same time, it can trace the source of equipment failures and enhance the safety of equipment management.

Description

technical field [0001] The invention relates to the technical field of computer software, in particular to a method and system for diagnosing industrial equipment faults based on knowledge graphs. Background technique [0002] At present, the monitoring system and data acquisition system have been applied in the early development of the industry. It can feed back the information of each monitoring point in the equipment in real time through the monitoring equipment. data support is provided. However, industrial equipment is a dynamic system with complex structure and operation mode, and the causes of faults are various. Sometimes the fault signal has no direct relationship with the cause of the fault, which poses a huge obstacle to the accurate diagnosis of equipment faults. [0003] Therefore, there is an urgent need for a fault diagnosis method for industrial equipment based on knowledge graphs, so as to realize real-time monitoring, prediction and early warning analysis,...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/027
Inventor 刘伟董为徐欢盛杰
Owner 中科蓝智(武汉)科技有限公司
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