Digital twin storage research and application based on OPC UA

A warehousing and twinning technology, applied in the field of warehousing and logistics, can solve the problems of poor data timeliness, difficult equipment management and control, and difficult information system communication, and achieve the effect of fast information acquisition, wide application prospects, and improved monitoring and management capabilities.

Pending Publication Date: 2022-03-08
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned shortcomings in the existing technology, the purpose of the present invention is to provide research and application of digital twin storage based on OPC UA. The present invention combines digital twin technology and OPCUA technology to solve the problems of difficult equipment management and control, poor timeliness of data and problems in industrial storage. Information system communication difficulties

Method used

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  • Digital twin storage research and application based on OPC UA
  • Digital twin storage research and application based on OPC UA
  • Digital twin storage research and application based on OPC UA

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: Digital twin warehouse

[0028] Digital twin warehousing maps physical warehousing in digital space in real time, truly reflecting the entire life cycle of warehousing. Digital twin warehousing includes four parts: physical entity layer, twin model layer, twin data layer and information service layer, such as figure 1 shown. The layers are explained below, as follows:

[0029] The physical entity layer includes storage equipment, sensors, industrial robots, etc., and is the source of real-time data, that is, various detection equipment;

[0030] The twin model layer is a virtual storage model built through 3D modeling, which simulates physical storage with high fidelity;

[0031] The twin data layer is used to store and process data, mainly including the data collected by the physical entity layer and fed back by the information service layer;

[0032] The information service layer is to interconnect upper-layer MES, ERP, PDM and other information systems ...

Embodiment 2

[0033] Example 2: Digital twin storage based on OPC UA

[0034] Such as figure 2 shown, including the following steps:

[0035] (1) Each data collection device in the warehouse collects the data information of the corresponding monitoring device respectively.

[0036] (2) The data information of each monitoring device is transmitted to the OPC UA server through Ethernet, and the OPC UA server loads the collected data information of each monitoring device into the OPC UA server node, encodes the data, and then stores it in the database or sends it to OPC Used by UA clients.

[0037] The OPC UA server node is the mapping of each monitoring device in the address space, including all the status information of each monitoring device. Nodes can be modified, added, and deleted through node management.

[0038] The address space consists of several nodes, which build a unified data model for each monitoring device, and use the data model to manage each node.

[0039] Data encodin...

Embodiment 3

[0047] Example 3: Application of digital twin storage based on OPC UA

[0048] Such as image 3 As shown, taking a Yunnan cigarette factory as an example, a digital twin storage system based on OPC UA was designed and developed for it. The combination of OPC UA and digital twin technology can highly integrate physical warehousing and digital warehousing. In the process of transforming cigarette factory warehousing into intelligent manufacturing, the combination of warehousing operations and information data is very important. Combining two different spaces Synchronous operation, that is, real-time mapping, is more real-time, multi-dimensional, and more accurate than traditional methods.

[0049] (1) Data real-time mapping subject

[0050] The main content of physical warehouse and digital warehouse mapping is divided into the following four parts:

[0051]1) Equipment: The operating status, coordinate position, and work performed of industrial robots, conveyor belts, AGVs, ...

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Abstract

The invention relates to the technical field of warehouse logistics, in particular to digital twin warehouse research and application based on OPCUA. Comprising the following steps: (1) data acquisition devices in a warehouse respectively acquire data information of corresponding monitoring devices; (2) transmitting the data information of each monitoring device to an OPCUA server through the Ethernet, loading the acquired data information of each monitoring device into an OPCUA server node by the OPCUA server, carrying out data coding, and then storing the data information into a database or sending the data information to an OPCUA client for use; (3) making a request to the OPCUA server by the OPCUA client, acquiring data from the OPCUA server, and decoding the data; according to the invention, the digital twinning technology and the OPCUA technology are combined, and the problems of difficult equipment management and control, poor data timeliness and difficult information system communication in industrial storage are solved.

Description

technical field [0001] The invention relates to the technical field of warehousing and logistics, in particular to the research and application of digital twin warehousing based on OPC UA. Background technique [0002] With the rapid development of the Internet of Things, big data and intelligent manufacturing technology, digital twins have entered people's field of vision and are gradually applied to industrial manufacturing. Digital twin warehousing is to use 3D modeling technology to establish a digital model of warehousing, use industrial data to drive the digital model to simulate the operation of equipment in the real warehousing, product logistics, and environmental changes, map the physical warehousing to the digital warehousing in real time, and monitor the warehousing in real time. Logistics optimization, equipment health management. Real-time mapping must be established on the basis of real-time data-driven, but the automation equipment in the warehouse comes fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/08G06Q10/10G06F16/25G06F16/22
CPCG06Q10/087G06Q10/083G06Q10/103G06F16/2282G06F16/258
Inventor 鲍伟赵建军谭道桓郭鹏净李紫赚倪贤达王迎
Owner KUNMING UNIV OF SCI & TECH
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