Simulation modeling method and device based on graph matching identification
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A technology of simulation modeling and graphics, which is applied in the field of nuclear power, can solve the problems of low modeling accuracy, failure to provide XML files, and low modeling efficiency, so as to expand the source range, improve modeling efficiency and modeling accuracy Effect
Pending Publication Date: 2021-10-08
CHINA NUCLEAR POWER ENG CO LTD
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[0003] The premise of the automatic import modeling method based on XML files is that the drawings of I&C products must be able to be parsed into XML files containing complete configuration information. However, due to the lack of a very strict and effective drawing specification system in nuclear power plants, some departments The XML file of the finished instrument and control drawings cannot be provided, or the provided XML file does not contain complete configuration data. Therefore, automatic import modeling cannot be fully realized, and manual modeling is still required, resulting in low modeling efficiency and low modeling accuracy The problem
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Embodiment 1
[0026] Such as figure 1 As shown, this embodiment provides a simulation modeling method based on graphic matching and recognition, which is applied to the process of automatically converting the drawings of nuclear power plant instrumentation and control products into simulation models. The method includes:
[0027] Step 101, acquire the configuration information of the drawing in the source file of the first format, the configuration information includes line segment information and text information, and the first format is a format file that can read the data in the source file.
[0028] In this example, if figure 2 The format of the finished instrument and control drawings of the nuclear power plant shown is the first format (such as PDF, VISIO, CAD), and the computer information extraction processing technology is used to open the source file of the first format and extract the configuration information of the drawings from it, for example, the group The status informati...
Embodiment 2
[0054] This embodiment provides a simulation modeling device based on graphic matching recognition, including an acquisition module, a redrawing module, an identification module, a conversion module and a generation module.
[0055] The obtaining module is used to obtain the configuration information of the drawing in the source file of the first format. The configuration information includes line segment information and text information. The first format is a format file capable of reading data in the source file.
[0056] The redrawing module is connected with the acquisition module, and is used to generate a redrawing picture and a mapping table according to the obtained configuration information, wherein the redrawing picture includes a gallery composed of line segments, connecting line segments between the gallery, and the mapping table includes text content, and The mapping relationship between line segments and their position coordinates.
[0057] The identification mod...
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Abstract
The invention discloses a simulation modeling method based on graph matching identification, comprising the steps: acquiring configuration information of a drawing in a source file of a first format, the configuration information comprising line segment information and text information; generating a redrawn picture and a mapping table according to the obtained configuration information, wherein the redrawn picture comprises picture libraries composed of line segments and connecting line segments between the picture libraries, and the mapping table comprises mapping relations between the text content and the line segments and position coordinates of the line segments; according to a preset feature information base, identifying the picture library category in the redrawing picture, the attribute of the connecting line segment and the parameter attribute in the mapping table; converting the recognized picture library category, the attribute of the connecting line segment and the parameter attribute into a simulation model file; and importing the simulation model file into simulation modeling software to generate an executable simulation model. Correspondingly, the invention further provides a simulation modeling device based on graph matching identification. According to the simulation modeling method, the modeling efficiency and the modeling accuracy can be improved.
Description
technical field [0001] The invention belongs to the technical field of nuclear power, and in particular relates to a simulation modeling method and device based on graphic matching recognition. Background technique [0002] The simulation model for the I&C design of a nuclear power plant should be able to accurately reproduce the logical control functions shown in the drawings of the finished I&C products of the nuclear power plant. At present, there is an automatic import modeling method based on XML (Extensible Markup Language) text files of configuration data. This method first converts the logical configuration information of the finished instrument and control drawings into XML text file, and then convert the XML file into a format text file that the simulation modeling software can recognize through computer analysis text information technology, and automatically import it into the simulation modeling software for direct editing and compiling to generate an executable ...
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