An opc UA-based gateway for vertical integration of production line edge equipment and its implementation method

An edge device, vertical integration technology, applied in the direction of network connection, data exchange network, comprehensive factory control, etc., can solve problems such as lack of sharing of manufacturing data, and achieve the effect of making up for low real-time performance, reducing pressure, and improving flexibility

Active Publication Date: 2021-10-08
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an OPCUA-based vertical integration gateway of production line edge equipment and its implementation method to unify the data communication protocol of edge equipment and solve the problem of lack of sharing of production and manufacturing data in view of the above-mentioned deficiencies in the prior art , realize the bidirectional flow of data and the closed-loop control of the production line, and improve the flexibility and scalability of edge device data interaction

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  • An opc UA-based gateway for vertical integration of production line edge equipment and its implementation method
  • An opc UA-based gateway for vertical integration of production line edge equipment and its implementation method
  • An opc UA-based gateway for vertical integration of production line edge equipment and its implementation method

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Embodiment Construction

[0051] The present invention is an OPC UA-based vertical integration gateway of production line edge equipment, comprising a equipment communication interface module, a data collection module, a parameter writing module, an OPC UA server module and an external multi-protocol interface module.

[0052] The equipment communication interface module is based on the equipment-specific protocol provided by the equipment supplier, establishes a communication connection with the edge equipment of the production line, and provides a secondary development interface for the data acquisition module and parameter writing module; the equipment communication interface module supports RS232, RS422, RS485, USB, Modbus, TCP / IP, UDP, MTConnect and FOCAS communication protocols.

[0053] The data acquisition module acquires the operating data of the edge equipment in real time based on the secondary development interface of the equipment, performs data preprocessing and feature extraction on high-...

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Abstract

The invention discloses an OPC UA-based vertical integration gateway of production line edge equipment and its implementation method. Based on a special protocol supported by equipment suppliers, data communication with equipment is established, operating data is obtained, edge calculation is performed, and stored Raw data and preprocessing results; based on OPC UA, carry out information modeling on the edge devices of the production line, associate and map the model nodes with the underlying data and interfaces, build an OPC UA server, and unify the device data interfaces; realize the edge device through parameter writing Feedback control effectively solves the shortcomings of traditional gateways that can only achieve one-way data flow, and the results of upper-layer applications cannot be fed back to edge devices in a timely and correct manner; in addition, the gateway opens multiple protocol interfaces such as MQTT, TCP / IP, and UDP to the outside world, supporting The user's secondary development ensures the scalability of the gateway, and has important practical significance for the vertical integration of production line equipment and the closed-loop control of the production line.

Description

technical field [0001] The invention belongs to the technical field of networking and communication of edge devices in smart factories, and in particular relates to an OPC UA-based vertical integration gateway for edge devices of a production line and an implementation method thereof. Background technique [0002] During the processing of complex parts, the production line equipment generates a large amount of manufacturing data all the time. These data contain a lot of information about the equipment processing process, which can effectively reflect the dynamic change law of the production line precision. However, due to the many types of production line equipment and various communication protocols, the physical system and the information system are severely separated, and the manufacturing data is not shared. Data-driven processing line precision control is difficult to achieve. Therefore, how to unify the data interface of the edge equipment of the production line, and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/06H04L12/26G05B19/418
CPCG05B19/4185H04L12/66H04L43/0817H04L69/06H04L69/08H04L69/162H04L69/18Y02P90/02
Inventor 陶涛鲁旭峰赵飞杨汉博梅雪松姜歌东孙铮王莉
Owner XI AN JIAOTONG UNIV
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