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Petri network-based clothing production line behavior model establishment method

A model building and clothing technology, applied in the field of clothing production, can solve the problems of less attention to the optimization of clothing production lines, and no technology and cases related to the digital twin of clothing production lines, etc., to achieve the effect of intuitive description and improved intelligence

Pending Publication Date: 2022-01-04
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the field of textile and clothing, although industrial Internet platforms such as Hubble Smart Cloud, Haier CosmoPlat, and Hongdou Textile and Garment have emerged, they mainly focus on the sales of finished products and the customization of clothing, and pay less attention to the optimization of clothing production lines. There are no technologies and cases related to the digital twin of the garment production line

Method used

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  • Petri network-based clothing production line behavior model establishment method
  • Petri network-based clothing production line behavior model establishment method
  • Petri network-based clothing production line behavior model establishment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for establishing a behavior model of a clothing production line based on Petri nets, comprising the following steps;

[0038] Step 1: Determine the process elements of the model; the process elements in the Petri net include place elements and transition elements, map the garment production line to a behavior model based on Petri nets, and determine the process elements of the model.

[0039] The place element represents the state of the clothing production line on the time axis, and the state in the place element will affect the subsequent operations; the change element represents the consumption, use of resources and the behavior that changes the state of the production system, which is mapped to the clothing production line. for the actual process.

[0040]Step 2: Determine the logical relationship of the model; after determining the process elements of the model, connect the place elements and transition elements according to the actual process flow to dete...

Embodiment 2

[0048] On the basis of embodiment one, to the correctness analysis method of the behavior model of clothing production line, adopted correlation matrix method for the correctness analysis method of the clothing production line behavior model establishment method based on the clothing production line behavior model establishment method of Petri net and invariant analysis to verify the feasibility of the model.

[0049] Specifically, the correctness analysis method of the behavior model of the clothing production line includes the following steps;

[0050] The correctness analysis method of the behavior model of the garment production line comprises the following steps;

[0051] Step 1, determine the correlation matrix of the clothing production line behavior model, and its correlation matrix is ​​expressed as A=[a ij ] m×n ; where, a ij is the element in row i and column j in the matrix, i∈{1, 2,...,m} j∈{1, 2,...,n}; m is the number of place elements in the clothing produ...

Embodiment 3

[0059] Such as Figure 1 ~ Figure 3 As shown, taking a garment production line as an example, the production line is summarized into 18 processes, and the name and specific operation of each process are as follows image 3 As shown, describe in detail how to transform the production line into a model described by Petri nets, and verify its feasibility and correctness. According to the modeling method proposed in Example 1, establish as figure 1 The structure diagram of the clothing production line behavior model based on Petri net is shown. figure 1 The middle circle represents the place element of the Petri net, and the box represents the transition element of the Petri net. The meanings of the place element and the transition element are as follows figure 2 shown.

[0060] Specifically, such as figure 1 The procedures in the behavioral model structure of the clothing production line based on Petri nets are as follows: PO order arrives, T0 takes the raw materials from th...

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PUM

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Abstract

The invention relates to a petri network-based clothing production line behavior model establishment method. The method comprises the following steps: 1, determining process elements of a model; wherein the process elements in the Petri network comprise place elements and transition elements; mapping the garment production line into a Petri net-based behavior model, and determining the process elements of the model; 2, determining a logic relation of the model; and after the process elements of the model are determined, the library elements and the transition elements are connected according to the actual process flow, and the logic relation of the model is determined. The invention provides the Petri network-based clothing production line behavior model establishment method and the clothing production line behavior model system. The clothing production line behavior model can be described and modeled through the Petri network, and correctness verification is performed on the behavior model established by using the Petri network by using an incidence matrix analysis method.

Description

technical field [0001] The invention relates to the technical field of clothing production in the industrial Internet, in particular to a method for establishing a behavior model of a clothing production line based on Petri nets. Background technique [0002] As one of the important areas of new infrastructure construction, the Industrial Internet is promoting the intelligent transformation of the global industrial system. In this transformation, the value chain and life cycle of digital twins have been extended, and the industrial Internet is giving new vitality to digital twins. Due to its advantages and capabilities in models, data, services, etc., digital twins can promote the interaction and integration of the physical world and the information world, and add or expand new capabilities for physical entities. At present, digital twin technology has been applied to industrial Internet platforms in many industries, including aerospace, healthcare, electronic technology, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/04G06Q10/04
CPCG06Q10/06393G06Q10/067G06Q50/04G06Q10/04Y02P90/30
Inventor 倪萍刘国华温云华王国栋钱辰
Owner DONGHUA UNIV
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