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CN-122023638-A - Verification method suitable for digital twin model configuration of gas station

CN122023638ACN 122023638 ACN122023638 ACN 122023638ACN-122023638-A

Abstract

The invention designs a verification method suitable for the configuration of a digital twin model of a gas station, which is used for solving the problems of time and human resources waste caused by complex layout and complicated adjustment of equipment of the gas station and mismatching among key equipment. The method comprises the following functional modules of an import module, a list module, a scene equipment information and deletion module, a scene model parameter modification module and the like, and the superiority of the configuration idea is fully utilized to test the built workshop. Based on the configuration idea, the component concept is introduced into the method, and each key equipment of the digital workshop is abstracted into component units which encapsulate models, motions, events and logic. In order to improve the loading speed of the system, a grid model edge folding simplification algorithm introducing vertex curvature, key area and angle errors is provided. The method can help to detect the rationality of the station layout, discover and correct problems in time, and optimize equipment matching.

Inventors

  • HU YI
  • Feng Zhanglong
  • WU DI
  • ZHANG XIYANG
  • TAO ZENG
  • ZHAO YANQING
  • MA YONGZE

Assignees

  • 沈阳中科数控技术股份有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (7)

  1. 1. The verification method suitable for the digital twin model configuration of the gas station is characterized by comprising the following steps of: 1) Constructing a configuration idea, constructing a digital twin model of the gas station, and packaging key equipment of a digital workshop of the gas station into different units; 2) Analyzing consumption and supply relations among natural gas, condensed water and an internal combustion engine based on parameters of a gas station; 3) Adjusting parameters of a configuration unit in the digital twin model of the gas station according to the analysis result, and re-executing the step 2); 4) And (3) circulating the steps 2) and 3), and obtaining an optimal testing scheme of the gas station by continuously adjusting parameters, calculating and replacing, thereby completing verification of the digital twin model of the gas station.
  2. 2. The method for verifying digital twin model configuration of gas station according to claim 1, wherein the step 1) comprises the steps of: 1.1 Dividing the model characteristics of the digital twin model of the gas station into a three-dimensional model configuration, an equipment motion configuration, a production event configuration and a workshop logic configuration; 1.2 Based on the three-dimensional model configuration, constructing a grid model edge folding simplification algorithm; 1.3 Abstracting each key equipment of the digital twin model into component units encapsulating the model, motion, event, logic.
  3. 3. The method for verifying the digital twin model configuration of the gas station according to claim 2, wherein the different states in the step 1.1) are respectively expressed as: the three-dimensional model configuration is used for representing three-dimensional model descriptions of different equipment in the gas station; the equipment motion configuration is used for representing motion state descriptions of different equipment in the gas station; The production event configuration is used for representing production event descriptions of different equipment in the gas station; The workshop logic configuration is used for representing logic control descriptions of different action nodes in the motion configuration.
  4. 4. The method for verifying the digital twin model configuration of a gas station according to claim 2, wherein the step 1.2) comprises the steps of: 1.2.1 Vertex curvature weighting Taking a triangular patch T 0 of the three-dimensional model, and respectively marking 3 vertexes of the patch as V i-1 ,V i and V i+1 , wherein the unit normal vector n i of the triangular patch T 0 is as follows: Taking a triangular surface patch T 0 of the three-dimensional model, respectively marking 3 vertexes of the surface patch as V i-1 ,V i and V i+1 , and vector-marking And The included angle of (a) is denoted as θ, and the area S i of the triangular patch is: The normal vector area of the vertex V i first-order neighborhood triangle patch is weighted and calculated to obtain the vertex normal vector of V i The method comprises the following steps: Further, the curvature c vi of the vertex is calculated as: Wherein, the The included angles between the vertex normal vector and k related triangular patches; 1.2.2 Area weighting of critical areas Taking a vertex v of the three-dimensional model, and assuming that the first-order neighborhood triangle of the vertex is T1, T2, T3, T4, T5, the first-order domain area SLR (v) of the vertex v is: wherein S avg is the average value of the areas, and Sign is an intermediate variable; 1.2.3 Angle error weighting Defining the angle error as the maximum angle change value of the normal vector of the first-order neighborhood triangle after the edge L i is folded, and recording as a max , wherein the maximum angle change value is: a max ＝max{cos -1 (n i0 .n′ i0 ),cos -1 (n i1 .n′ i1 ),....,cos -1 (n in .n′ in )} Where n i0 ,n i1 ,...,n in represents the unit normal vector of its first order neighborhood triangle before the edge L i is folded, and n' i0 ,n′ i1 ,...,n′ in represents the unit normal vector of its first order neighborhood triangle after the edge L i is folded.
  5. 5. The method for verifying digital twin model configuration of gas station according to claim 1, wherein the step 2) comprises the steps of: 2.1 Based on parameters of the gas station, analyzing the relationship between the transportation capacity of the natural gas pipeline and the natural gas consumption of the internal combustion engine; 2.2 Based on the parameters of the gas station, analyzing the matching condition of the condensate water consumption of the internal combustion engine and the condensate water pipeline.
  6. 6. The method for verifying a digital twin model configuration for a gas station according to claim 5, wherein the step 2.1) comprises the steps of: 2.1.1 According to the output power, the thermal efficiency and the natural gas calorific value of the internal combustion engine, the natural gas consumption in unit time is calculated and used as the standard value of natural gas consumption: 2.1.2 In combination with the inlet and outlet pressures of the pipes, calculate the traffic Q per unit time: Wherein P 1 、P 2 is the inlet and outlet pressure of the pipeline, D is the diameter of the pipeline, f is the friction factor, L is the length of the pipeline, P is the natural gas density, v is the flow velocity, A is the cross-sectional area of the pipeline; 2.1.3 And judging whether the pipeline meets the requirement or not by comparing the transportation quantity with the standard consumption quantity.
  7. 7. The method for verifying a digital twin model configuration for a gas station according to claim 5, wherein the step 2.2) comprises the steps of: 2.2.1 When the natural gas concentration changes, the change in the combustion heat is calculated: Q At present =heating value×consumption Q Increase the number of =heating value x increase consumption after that Q Multiple ones ＝Q Increase the number of -Q At present Wherein, Q At present is the heat before the increase, and Q Increase the number of is the heat after the increase; 2.2.2 Calculating the amount of consumption M of condensed water required to maintain the temperature of the internal combustion engine stable, and taking it as a standard value of the condensed water: Wherein Q Multiple ones is redundant heat, deltaT is the temperature change of condensed water, and c is the specific heat capacity of water; 2.2.3 According to the standard value of the condensed water, calculating the transportation quantity Q in unit time by combining the inlet pressure and the outlet pressure of the pipeline, and comparing the two to judge the compliance of the condensed water pipeline.

Description

Verification method suitable for digital twin model configuration of gas station Technical Field The invention belongs to the field of gas station optimization equipment matching, and particularly relates to a verification method suitable for digital twin model configuration of a gas station. Background The manufacturing industry is used as an important support of national economy, various manufacturing workshops play a crucial role therein, and the manufacturing workshops are foundation stones for promoting industry development. For example, in a gas station, various equipment in an actual gas station is complex in layout and complicated in adjustment, and mismatch among key equipment often results in waste of time and human resources, which becomes one of important factors for preventing development of the gas station. Under the background, the digital twin technology has been developed, and a corresponding digital model can be constructed according to physical entities, and on the basis of the configuration thought, each key equipment of the digital workshop is abstracted into a component unit which encapsulates the model, the motion, the event and the logic. And analyzing consumption and supply relations among the natural gas, the condensed water and the internal combustion engine based on parameters of the gas station. And adjusting parameters of a configuration unit in the digital twin model of the gas station according to the analysis result, and obtaining an optimal testing scheme of the gas station through continuously parameter adjustment, calculation and replacement. Disclosure of Invention Aiming at the defects of the existing gas station optimizing equipment matching, the invention provides a verification method suitable for the configuration of a digital twin model of a gas station, and the method can help to detect the rationality of the station layout, discover and correct problems in time and optimize equipment matching. The technical scheme adopted by the invention for achieving the purpose is as follows: a verification method suitable for digital twin model configuration of a gas station comprises the following steps: 1) Constructing a configuration idea, constructing a digital twin model of the gas station, and packaging key equipment of a digital workshop of the gas station into different units; 2) Analyzing consumption and supply relations among natural gas, condensed water and an internal combustion engine based on parameters of a gas station; 3) Adjusting parameters of a configuration unit in the digital twin model of the gas station according to the analysis result, and re-executing the step 2); 4) And (3) circulating the steps 2) and 3), and obtaining an optimal testing scheme of the gas station by continuously adjusting parameters, calculating and replacing, thereby completing verification of the digital twin model of the gas station. Said step 1) comprises the steps of: 1.1 Dividing the model characteristics of the digital twin model of the gas station into a three-dimensional model configuration, an equipment motion configuration, a production event configuration and a workshop logic configuration; 1.2 Based on the three-dimensional model configuration, constructing a grid model edge folding simplification algorithm; 1.3 Abstracting each key equipment of the digital twin model into component units encapsulating the model, motion, event, logic. The different groups in step 1.1) are respectively expressed as: the three-dimensional model configuration is used for representing three-dimensional model descriptions of different equipment in the gas station; the equipment motion configuration is used for representing motion state descriptions of different equipment in the gas station; The production event configuration is used for representing production event descriptions of different equipment in the gas station; The workshop logic configuration is used for representing logic control descriptions of different action nodes in the motion configuration. Said step 1.2) comprises the steps of: 1.2.1 Vertex curvature weighting Taking a triangular patch T 0 of the three-dimensional model, and respectively marking 3 vertexes of the patch as V i-1,Vi and V i+1, wherein the unit normal vector n i of the triangular patch T 0 is as follows: Taking a triangular surface patch T 0 of the three-dimensional model, respectively marking 3 vertexes of the surface patch as V i-1,Vi and V i+1, and vector-marking AndThe included angle of (a) is denoted as θ, and the area S i of the triangular patch is: The normal vector area of the vertex V i first-order neighborhood triangle patch is weighted and calculated to obtain the vertex normal vector of V iThe method comprises the following steps: Further, the curvature c vi of the vertex is calculated as: Wherein, the The included angles between the vertex normal vector and k related triangular patches; 1.2.2 Area weighting of critical areas Taking a vertex v of