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A coating line-oriented digital twin spraying simulation system and method

A simulation system and simulation method technology, which is applied in the field of digital twin spraying simulation system, can solve the problems of inability to realize virtual mapping of the painting process, and the simulation performance is not delicate.

Active Publication Date: 2021-07-06
YANTAI JIERUI NETWORK TRADING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a digital twin spraying simulation system and method oriented to the painting line, to solve the problem that the real painting process and virtual mapping of the performance cannot be realized in the prior art, and to realize the real material of the workpiece and the paint The effect, painting process, and painting results are restored, what you see is what you get, and get rid of the shortcomings of previous simulations that are not delicate and can only rely on the result data to make inferences

Method used

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  • A coating line-oriented digital twin spraying simulation system and method
  • A coating line-oriented digital twin spraying simulation system and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] For the digital twin spraying simulation system oriented to the painting line, refer to the attached figure 1 , the system specifically includes

[0037] A virtual digital twin 200 corresponding to the real physical entity of the painting line 100, wherein the painting line 100 includes a state sensor 101 for obtaining the start and stop of the painting line equipment and other status data, and for obtaining the position of the painting line equipment Positioning sensor 102 of position data such as angle and angle; And the virtual digital twin body 200 is updated based on the data obtained by the state sensor 101 and the positioning sensor 102 during the simulation debugging of the painting line; The virtual digital twin body is based on the painting line according to 1:1 The virtual digital twin has the same geometric structure, size, shape and material performance as the painting line;

[0038] The three-dimensional engine 300, the three-dimensional engine is initial...

Embodiment 2

[0042] On the basis of the first embodiment above, the coating line specifically includes: production line machine tools, industrial robots, accumulation chains, stoppers, lifting equipment, cart machines and other coating line equipment. The above-mentioned devices all perform 1:1 equal-scale modeling when constructing the virtual digital twin 200 .

[0043] As a preferred technical solution, the three-dimensional engine is constructed based on the Unity3D engine. Shaders are built on top of Unity Shader.

Embodiment 3

[0045] For the digital twin spraying simulation method for the painting line, refer to the attached figure 2 , based on the digital twin spraying simulation system for the painting line mentioned above, including the following steps:

[0046] S1: Construct a virtual digital twin corresponding to the painting line, and complete the initialization of the digital twin spraying simulation system for the painting line by importing the virtual digital twin into the 3D engine;

[0047] S2: Obtain the data collected by the state sensor and the positioning sensor, and transmit it to the system background in real time;

[0048] S3: The shader renders the virtual digital twin in real time based on the 3D engine based on the data collected by the state sensor and the positioning sensor, and obtains the spraying simulation digital twin after information adaptation is completed.

[0049] The specific content that described step S3 comprises is as follows:

[0050] The shader obtains workpi...

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Abstract

The invention discloses a coating line-oriented digital twin spraying simulation system and method, and relates to the field of spraying simulation. The 1:1 real restoration of the entire painting line is carried out to construct a virtual digital twin, which lays the foundation for virtual mapping reality for the digital twin spraying simulation system oriented to the painting line. Obtain real-time sensor data and related workpiece and coating information according to the status sensor and positioning sensor, and restore the real material effect, coating process and coating result of the workpiece and coating based on the shader technology, what you see is what you get, and get rid of the previous The simulation performance is not delicate, and it can only rely on the result data to make inferences. Finally, according to the data performance results of the simulated painting line, the real painting line operation results can be truly mapped, thereby helping to make predictive inferences on possible problems and optimize the design of the entire production line.

Description

technical field [0001] The invention relates to the field of spraying simulation, in particular to a digital twin spraying simulation system and method for a painting line. Background technique [0002] Digital twin technology is to digitally create a virtual model of a physical entity, and use data to simulate the behavior of the physical entity in the real environment. As a technology that makes full use of models, data, intelligence and integrates multiple disciplines, digital twins are oriented to the product life cycle process, play the role of a bridge and link connecting the physical world and the information world, and provide more real-time, efficient, and intelligent services. The interaction and integration of the physical world and the information world provide an effective solution. [0003] The most important inspiration of the digital twin is that it realizes the feedback of the real physical system to the digital model of the virtual space. This is a feat o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00G06T15/00
CPCG06T15/005G06T17/00
Inventor 牟文青王涛李腾安士才曲洁贺业凤杨斌
Owner YANTAI JIERUI NETWORK TRADING