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Off-line configuration comparison method and system for distributed control system

A decentralized control system and configuration technology, applied in general control systems, control/regulation systems, program control, etc., can solve the problems of low efficiency of configuration debugging, large number of logical configuration pages, hidden dangers of configuration and debugging, etc. , to avoid configuration inconsistencies, to display intuitive and clear results, and to avoid engineering risks.

Active Publication Date: 2021-12-10
XIAN THERMAL POWER RES INST CO LTD +2
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AI Technical Summary

Problems solved by technology

According to the rules of the currently developed configuration software, the number of function blocks under a single logical configuration page must not exceed 128, and the entire logical configuration page is huge, so the comparison workload during the configuration debugging process is huge
[0003] The existing logic configuration page local comparison method, the configuration is completed, after saving, the configuration file is generated; the configuration file is saved in the local computer; the configuration file is used for logic configuration page comparison; the existing The logic configuration page comparison method is manual comparison, but manual viewing is used for comparison, which is easy to be overlooked, resulting in low debugging efficiency of configuration debugging, and hidden safety hazards in configuration debugging

Method used

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  • Off-line configuration comparison method and system for distributed control system
  • Off-line configuration comparison method and system for distributed control system

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Embodiment Construction

[0059] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0060] Such as figure 1 , the offline configuration comparison method of the distributed control system of the present invention, comprising:

[0061] Obtain two logical configuration pages that need to be compared, and obtain the reference configuration file and the configuration file to be compared;

[0062] Restoring the content of the benchmark configuration file as the program organization unit to obtain the benchmark program organization unit; restoring the content of the configuration file to be compared to the program organization unit to obtain the program organization unit to be compared;

[0063] According to the preset connection rules, connect the reference function block in the organization unit of the reference program with the reference connection line to obtain the first ref...

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Abstract

The invention provides an off-line configuration comparison method and system for a decentralized control system. According to the invention, starting from the most basic data storage structure of the logical configuration page, the difference of the logical configuration page is efficiently compared by comparing the functional blocks and the connecting lines in the logical configuration page, and compared with a conventional manual comparison method, the method is higher in comparison efficiency. According to the method, the phenomenon of configuration inconsistency caused by a wrong configuration comparison result is avoided, meanwhile, configuration vulnerabilities caused by configuration inconsistency in the configuration process can be avoided, the configuration efficiency is improved, safe operation of a unit is guaranteed, and potential engineering risks are avoided.

Description

technical field [0001] The invention relates to a distributed control system, in particular to a method and system for offline configuration comparison of a distributed control system. Background technique [0002] Distributed Control System (DCS) is the control core of a thermal power plant. In a large thermal power plant, a million-level thermal power unit has more than forty pairs of controllers, and a single controller can have up to 1,000 logical configuration pages. During the configuration and debugging process of thermal power plants, it is necessary to frequently compare tens of thousands of logical configuration pages. By comparing the results, the differences between the two logical configuration pages are shown. According to the rules of the currently developed configuration software, the number of function blocks under a single logical configuration page must not exceed 128, and the entire logical configuration page is huge, so the comparison workload in the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865G05B2219/33273Y02P90/02
Inventor 高少华樊启祥薛建中张军李辉赵亮翟亮晶李卓
Owner XIAN THERMAL POWER RES INST CO LTD
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