CN116384092A - Modeling system for digital twin of manufacturing equipment and real-time interaction method - Google Patents
Modeling system for digital twin of manufacturing equipment and real-time interaction method Download PDFInfo
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Abstract
The invention discloses a modeling system and a real-time interaction method for digital twin of manufacturing equipment. The processes of data acquisition, processing, transmission, synchronization and the like are simplified through the virtual and real control system module, and the instantaneity of the digital twin monitoring service of the manufacturing equipment is improved. Meanwhile, the problem of single applicable object is solved, and the digital twin modeling is widely applicable to objects. After the three-dimensional model of the virtual manufacturing equipment is imported, a virtual controller is established to map a real controller, and the digital twin model is directly driven to act after the virtual controller receives the real controller data; the virtual manufacturing equipment in the Process Simmulate software can be conveniently and rapidly driven to run by simply programming the controller to establish data transmission and control logic of the virtual and real control system. The links of data passing are reduced, and the real-time performance of digital twinning is further improved from the acquisition end to the driving end.
Description
Technical Field
The invention relates to the technical field of digital twinning, in particular to a modeling system and a real-time interaction method for manufacturing equipment digital twinning.
Background
Along with the rapid development of new generation information technology, the realization of the transformation to a digitalized and networked workshop by using a digital twin technology at the level of a discrete manufacturing workshop is an important direction of future manufacturing industry development, and manufacturing equipment is a constituent unit of the discrete manufacturing workshop, so that the digital twin modeling method and the service system of the manufacturing equipment are of great significance. The current digital twin model construction of real manufacturing equipment is mainly the establishment of a three-dimensional model, the construction of a control system is hardly considered, the construction method is single in object-oriented, the modeling method is often not effectively applicable to different real manufacturing equipment, the most critical and most difficult steps in the modeling process are that complex communication programs are required to be written for realizing data transmission of the virtual manufacturing equipment and the real manufacturing equipment, most of the constructed digital twin models only have monitoring functions, the real-time performance and accuracy of monitoring have a close association relation with the communication programs, and the correctness of the communication programs and data processing logic directly influence the real-time performance and accuracy of monitoring.
The Process simultaneous software and the S7-PLCSIM are two software widely applied to manufacturing equipment digital twin, and a digital twin model and a service system with good real-time performance and accuracy can be simply and quickly built. The Process simulation software is a tool for simulating the running state of the manufacturing equipment, and by constructing a three-dimensional model of the manufacturing equipment, the appearance, control, actions and the like of the manufacturing equipment are mapped in an all-around manner, a real simulation environment is provided, control logic, behaviors and reactions of various manufacturing equipment are simulated, the running situation of the manufacturing equipment under various conditions is tested and evaluated, and the behaviors of the manufacturing equipment when faults occur are predicted. S7-PLCSIM is a software program for constructing a virtual PLC, is used as an external controller of a Process simulation, drives a digital twin model online, and can perform virtual debugging offline, and in industrial manufacturing, a traditional debugging method is often required to be performed on real manufacturing equipment, so that a large amount of time and cost are consumed, and safety risks and the risk of damage to the manufacturing equipment are possibly brought. And the virtual debugging is to Simulate the operation of manufacturing equipment in a digital twin model of a Process simulation, so that the verification and the debugging of the S7-PLCSIM on the control program and the operation flow of the manufacturing equipment are realized, the debugging time is greatly shortened, and the cost and the risk are reduced. In addition, the virtual debugging can optimize the model and the PLC program logic based on the virtual debugging result, so that the reliability and the accuracy of communication programs of the virtual manufacturing equipment and the real manufacturing equipment can be improved.
Thus, digital twin model and system construction has the following problems: the first is that the digital twin model establishment is only a three-dimensional solid model, and the manufacturing equipment controller is not subjected to digital twin modeling. And secondly, establishing virtual and real data transmission requires programming complex data preprocessing, data transmission, receiving, analyzing, driving and other programs, establishing connection with a digital twin model in a Unity3D software platform or a virtual engine software platform, and driving model virtual and real synchronization. Thirdly, the digital twin construction method and the service function are single in object-oriented manner, and are not applicable to different manufacturing equipment digital twin modeling methods and service functions. Fourthly, the data of the driving digital twin model is required to be subjected to complex steps of acquisition, database storage, data extraction from the database and the like, so that the operation accuracy and the real-time performance of virtual and actual manufacturing equipment are affected. The digital twin modeling is required to be simple and quick at present, the digital twin model and the service function of the digital twin model can be built for various manufacturing equipment, and the accuracy requirement is higher and the real-time requirement is better.
In the technical scheme of the patent number ZL202210573131.3, a digital twin system of a machine tool is provided, real-time visualization and detection of machine tool processing are realized, but synchronization is still established from the perspective of a three-dimensional entity through Unity3D software, and the problems of complexity of digital twin modeling, inaccurate data and real time exist.
Disclosure of Invention
The invention aims to: the invention aims to provide a modeling system and a real-time interaction method for digital twinning of manufacturing equipment, which are applicable to manufacturing equipment driven by a real controller in a workshop, and solve the problem of single applicable object. After the three-dimensional model of the virtual manufacturing equipment is imported, a virtual controller is built to map a real controller, and the virtual controller has the advantages that after receiving the data of the real controller, the digital twin model is directly driven to act; the virtual manufacturing equipment in the Process Simmulate software can be conveniently and rapidly driven to run by simply programming the controller to establish data transmission and control logic of the virtual and real control system. The links of data passing are reduced, and the real-time performance of digital twinning is further improved from the acquisition end to the driving end.
The technical scheme is as follows: the invention provides a modeling system for digital twinning of manufacturing equipment, which comprises a manufacturing equipment information module, a virtual-real control system module, a data management system module and a visual service module;
the manufacturing equipment information module is used for providing real manufacturing equipment information and virtual manufacturing equipment information, the real manufacturing equipment information is modeling data after processing integration, the modeling data is used for modeling a manufacturing equipment digital twin model, the modeling data comprises geometric model information, production state information and action behavior information of the manufacturing equipment, the manufacturing equipment digital twin model is virtual manufacturing equipment, and the virtual manufacturing equipment information comprises virtual geometric model information, logic resource information and action path information;
the virtual-real control system module is used for providing a real controller and a virtual controller, the real controller controls the real manufacturing equipment to operate and transmits modeling data to the virtual controller so as to drive the virtual manufacturing equipment, and the virtual controller receives the modeling data and controls the virtual manufacturing equipment to change the production state and the simulation of parts, and meanwhile, controls the virtual manufacturing equipment to be consistent with the real manufacturing equipment in action;
the data management system module is used for collecting modeling data of the manufacturing equipment information module, converting semantic text information into digital information and storing the digital information, transmitting Boolean data and digital data between the real controller and the virtual controller, and simultaneously assisting in controlling the movement of the virtual manufacturing equipment and the real manufacturing equipment to be consistent;
the visual service module is used for performing visual service, converting all information contained in the manufacturing equipment information module into behavior actions of the virtual manufacturing equipment, and assisting in analyzing the data provided by the data management system module.
Further, the manufacturing device information module comprises a three-dimensional model data set, an operation state data set and an action behavior data set;
the three-dimensional model dataset contains model information for the parts required for manufacturing the equipment;
the operation state data set comprises operation state information of dynamic parts of manufacturing equipment, wherein the parts with obvious action behaviors are dynamic parts;
the action behavior data set contains action behavior information for manufacturing equipment dynamic parts.
Further, the virtual controller of the virtual-real control system module is simulation software running on an upper computer to simulate a real PLC, is used for connecting the real PLC and monitoring the running condition of the real PLC, is also used for establishing the virtual PLC, is connected with the virtual manufacturing equipment, and is used as an external controller of the virtual manufacturing equipment to control the virtual manufacturing equipment to generate actions.
Further, in the virtual-real control system module, the virtual controller and the real controller have the characteristics of full duplex communication mode, same network, same data transmission address and simple program writing.
Further, in the virtual-real control system module, modeling data is transmitted from the real controller to the virtual controller, the transmission process does not pass through the database, and the transmission mode is that the modeling data of the real controller is mapped into digital information of the virtual controller through the same data transmission address.
Further, in the data management system module, the acquired information of the modeling data comprises production state information and action behavior information, wherein the production state information comprises green light normal operation, yellow light alarm and red light alarm; the action behavior information comprises the appearance of parts, the disappearance of parts, the movement of parts and the rotation of parts; converting the production state information and the action behavior information into digital information, wherein the digital information comprises Boolean data and digital data; boolean data is 0/1 or True/False, and digital data is a digital sequence.
Further, in the data management system module, based on TIA Portal V16 software, a real PLC is defined as an r_plc, a virtual PLC is defined as a v_plc, all r_plcs and v_plcs are integrated into TIA Portal V16, a communication program "PUT" or "GET" program is written into r_plc or v_plc, the "PUT" program is used for the PLC to send data, and the "GET" program is used for the PLC to obtain data, so as to realize data transmission between r_plc and v_plc.
The invention also provides a real-time interaction method for manufacturing equipment digital twinning, wherein a visual service module takes Process simulation software as a basic platform to carry out simulation debugging, physical simulation and real-time monitoring, and the method specifically comprises the following steps:
1) Setting the same real controller data address and real manufacturing equipment data address, establishing the association between the real controller and the real manufacturing equipment, adopting TIA Portal V16 software to edit the real controller program in combination with the processing production requirements of the real manufacturing equipment, editing the data in the software, and observing and debugging the running condition of the real manufacturing equipment;
2) Constructing a three-dimensional model of the virtual manufacturing equipment according to the manufacturing equipment information module, and determining the relative position relation of all parts; importing the three-dimensional model into Process simulation software, formulating behavior control logic of the virtual manufacturing equipment according to the action behavior of the real manufacturing equipment, and adopting a Forced command to perform physical simulation on the dynamic parts so as to Simulate the dynamic parts; if the physical simulation of all dynamic parts is correct, establishing a complete physical simulation scene of the whole manufacturing equipment, and carrying out omnibearing mapping on the real manufacturing equipment;
3) The communication between the real controller and the virtual controller is realized through an S7 communication protocol, the integration of the manufacturing equipment information module, the virtual-real control system module and the data management system module is completed, the real-time online driving or offline simulation is carried out on the virtual-real manufacturing equipment by the data provided by the data management system module and the signals output by the virtual-real control system module, the online driving means that the running state change in the manufacturing process of parts on the real manufacturing equipment is tracked in real time, and the whole running condition of the real manufacturing equipment is mapped comprehensively; offline simulation means that the simulation device is not connected with real manufacturing equipment and cannot influence the real manufacturing equipment in real time.
The beneficial effects are that: compared with the prior art, the invention has the remarkable advantages that: the digital twin model is driven by the virtual controller to provide simulation debugging, physical simulation and real-time monitoring functions, and meanwhile, the processes of data acquisition, processing, transmission, synchronization and the like are simplified by the virtual-real control system module, so that the real-time performance of the digital twin monitoring service of the manufacturing equipment is improved. The problem of single applicable object is solved, the digital twin modeling is widely oriented to the object, the digital twin model and the service system thereof can be simply and rapidly built for manufacturing equipment controlled by the controller by adopting the method, meanwhile, production data is provided at the upper computer end, the reliability of the production data is improved, and the production decision is facilitated. The invention builds a digital twin model and provides a service system based on the Process simulation software platform and the S7-PLCSIM software, realizes the omnibearing online data synchronization and real-time mapping of manufacturing equipment in a discrete manufacturing workshop, realizes off-line simulation debugging and physical simulation, and comprehensively improves the production efficiency and the visual management level of the discrete manufacturing workshop.
Drawings
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic diagram of digital twin modeling of manufacturing equipment in the present invention;
FIG. 3 is a schematic diagram of virtual-real data interaction in the present invention;
fig. 4 is a flow chart of synchronizing virtual and real data in a virtual and real control system module according to the present invention.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
The invention provides a modeling system and a real-time interaction method for digital twinning of manufacturing equipment, which are shown in fig. 1, and comprise a manufacturing equipment information module, a virtual-real control system module, a data management system module and a visual service module.
The manufacturing equipment information module includes two parts: real manufacturing equipment information and virtual manufacturing equipment information. The real manufacturing equipment information refers to geometric model information, production state information, action behavior information and the like of manufacturing equipment in a discrete manufacturing workshop, and is modeling data after integration is processed and used for model construction of a digital twin model of the manufacturing equipment. The manufacturing equipment digital twin model is a virtual manufacturing equipment, and the virtual manufacturing equipment information includes geometric model information, logic resource information, action path information and the like.
The manufacturing equipment information module includes a three-dimensional model dataset, an operational state dataset, and an action behavior dataset.
The three-dimensional model dataset contains model information of parts required for manufacturing equipment, and the model information is obtained by measuring tools such as ruler and scale, a three-dimensional scanner and a laser radar.
The operational state data set contains operational state information for the manufacturing equipment dynamic part, such as: normal operation, idle, suspended, alarm, etc.
The action behavior data set contains action behavior information for manufacturing equipment dynamic parts, such as: movement, rotation, gripping, loosening, and the like.
Wherein, the dynamic parts are parts which can be observed by management schedulers to have obvious action behaviors, and parts which do not have obvious action behaviors are classified as static parts.
The virtual-real control system module comprises a real controller and a virtual controller, wherein the real controller is used for controlling the starting or stopping of a servo motor of the real manufacturing equipment, the color change of a status lamp and the material grabbing action of the mechanical arm, and meanwhile, the real controller and the virtual controller establish a communication relationship and transmit data to the virtual controller so as to drive the virtual manufacturing equipment. Modeling data is transmitted from the real controller to the virtual controller, the transmission process does not pass through the database, and the transmission mode is that the modeling data of the real controller is mapped into digital information of the virtual controller through the same data transmission address.
The virtual controller is simulation software which runs on the upper computer and simulates a real PLC, and maps the real controller, wherein the virtual controller comprises a virtual controller name, an IP address, a subnet mask, a connection state and the like. The method is used for connecting a real PLC, monitoring the running condition of the real PLC, and establishing a virtual PLC which is connected with virtual manufacturing equipment. The virtual controller transmits signal data with the same address through external connection to drive the virtual manufacturing equipment to operate. The real controller refers to a PLC and a servo driver, the PLC logic program controls the on and off of the signal lamp, and the servo driver is combined to control the starting, stopping, reversing and inching of the motor.
The virtual-real control system module is the mapping of the virtual controller to the real controller, and has the following characteristics: (1) a full duplex communication mode; (2) both need to be located under the same network segment; (3) the data transmission addresses of the two are the same; (4) simple programming.
The data management system module has four functions: firstly, acquiring and processing production state information and action behavior information of a manufacturing equipment information module, wherein language and character information cannot be transmitted between manufacturing equipment, so that the character information is required to be processed into digital information; the second is to store digital information and assign the digital information mutually independent data addresses; thirdly, transmitting Boolean data and digital data between virtual and real control system modules; fourth, the consistency of the actions of the virtual manufacturing equipment and the real manufacturing equipment is ensured. The data management system module 3 performs data acquisition, data storage, data transmission and data correction between the real controller and the virtual controller, wherein the data transmission comprises Boolean data and digital data, and the data correction is used for ensuring the action consistency of the virtual and real manufacturing equipment. The boolean type data controls two digital twinning behaviors, the first is a switch or instruction boolean component map with True/False states, and the second is a multi-feature component map with start, stop, alarm, fault multi-feature actions. The digital type data control has continuous variation and digital twinning behavior with accurate digital representation, including motor rotation speed, component moving distance, mechanical arm rotation angle and the like.
The information of the modeling data collected by the data management system module comprises production state information and action behavior information, wherein the production state information comprises green light normal operation, yellow light alarm and red light alarm; the action behavior information comprises the appearance of parts, the disappearance of parts, the movement of parts and the rotation of parts; converting the production state information and the action behavior information into digital information, wherein the digital information comprises Boolean data and digital data; boolean data is 0/1 or True/False, and digital data is a digital sequence.
The data correction ensures the consistency of the actions of the virtual and real manufacturing equipment. The boolean type data controls two digital twinning behaviors, the first is a switch or instruction boolean component map with True/False states, and the second is a multi-feature component map with start, stop, alarm, fault multi-feature actions. The digital type data control has continuous variation and digital twinning behavior with accurate digital representation, including motor rotation speed, component moving distance, mechanical arm rotation angle and the like.
The data management system module integrates all real PLCs (R_PLCs) and virtual PLCs (V_PLCs) into the TIA Portal V16 based on TIA Portal V16 software, writes a communication program 'PUT' or 'GET' program into the R_PLC or the V_PLC, uses the 'PUT' program for the PLC to send data, uses the 'GET' program for the PLC to acquire data, and realizes data transmission between the R_PLC and the V_PLC.
The visual service module operates at the upper computer end to convert the information contained in the manufacturing equipment information module into the service of the virtual manufacturing equipment behavior action, so that a user can more intuitively understand and analyze the real-time data provided by the data management system module. The visualization service includes: (1) under the control of the virtual-real control system module, the latest state and behavior of the real manufacturing equipment are tracked and monitored on line based on real-time data; (2) performing event-based simulation on the virtual manufacturing equipment offline, simulating an action path, a processing flow and the like of the manufacturing equipment; (3) the virtual controller controls the real manufacturing equipment to run so as to verify the program correctness of the virtual controller and optimize the program logic; (4) the real controller controls the virtual manufacturing equipment to run to verify whether the action behavior of the virtual manufacturing equipment is correct and to optimize the action behavior logic.
The visual service module is supported by the manufacturing equipment information module, the virtual and actual control system module and the data management system module together, and provides visual service for the upper computer. The digital twin technology performs online tracking on the manufacturing equipment, real-time mapping on-site working dynamics, and helps operation and maintenance management personnel to visually guide the operation of the manufacturing equipment on line, and simulate the virtual manufacturing equipment off line.
The digital twin implementation Process of the manufacturing equipment based on the Process Simulinate and the S7-PLCSIM is shown in fig. 2, the manufacturing equipment is measured and arranged by using a tool or technology on the basis of the Process Simulinate software to obtain data, and a three-dimensional digital model of the manufacturing equipment is built through UG NX 12.0. Converting the three-dimensional digital model file into a JT or cojt format file, importing the JT or cojt format file into Process simulation software, arranging virtual manufacturing equipment actions in the Process simulation software according to the running state of real manufacturing equipment parts, and converting physical world actions into actions in a digital twin model: the button switch on and off maps to the appearance and disappearance of Parts in the Process message; the on-off mapping of the three colors of lamps of the audible and visual alarm is the appearance and disappearance of three different colors of Parts in the Process message; the forward and reverse rotation of the motor maps to clockwise rotation of Resources. Manufacturing equipment in the physical world is controlled by r_plc (real PLC), and manufacturing equipment in the virtual world is controlled by v_plc (virtual PLC). And the two PLCs generate real-time data exchange by a full duplex communication mode.
The data management system module is a core for realizing a manufacturing equipment digital twin service system, referring to fig. 3, data names, data formats and data addresses are respectively defined in data centers of a real PLC (R_PLC) and a virtual PLC (V_PLC), the R_PLC and the V_PLC are configured under the same subnet, IP addresses under the same network segment are set, and the two controllers are respectively connected to an industrial gateway. The R_PLC is used for programming a program for controlling an audible and visual alarm and a motor by a button switch, and also is used for programming an internal integration communication connection program, wherein REQ in the internal integration communication program is used for activating a data exchange function, ID (identity) represents a partner address, DONE, ERROR and STATUS are all connection state parameters and respectively represent successful connection, connection ERROR and normal connection, ADDR represents an area address where the partner is to write data, and SD represents an area address where the data is to be sent locally. And programming a program for controlling the actions of the virtual button switch, the audible and visual alarm and the motor in the V_PLC. And writing the data at the R_PLC transmitting area address into the V_PLC receiving area address by an internal integrated communication mode. The R_PLC data center interacts with the V_PLC data center, the V_PLC running program changes data corresponding to a digital twin model data address in the Process simulation software, the control of the virtual controller on the digital twin model is realized, when the data of the virtual controller changes, a corresponding digital twin model signal changes, and further the action of the digital twin model is driven, so that the virtual and real synchronization function of manufacturing equipment is realized.
Referring to fig. 4, in the virtual-real synchronization process of the virtual controller, the virtual controller is first constructed, the IP address and the IP address of the real controller are modified and the port number is edited, whether the industrial networking interface establishes virtual-real control system communication is checked, and if not, the IP address and the port number need to be checked and modified correctly. After the virtual controller is successfully connected with the real controller, a ladder diagram program is required to be written for simulating real signal transmission, the virtual controller is started to simulate an analog signal, and the signal logic is checked to be consistent with the real signal logic. The virtual controller is used as external connection, sets parameters such as external connection name, connection type, service address, controller name, signal mapping mode and the like, establishes connection with the Process Simulinate software service system, and if the connection is unsuccessful, the connection mode and the signal mapping mode need to be checked, and the external connection is reestablished. After the work is finished, starting the real manufacturing equipment, changing the working state and the processing action of the real manufacturing equipment, checking whether the virtual and real data are synchronous or not, and checking and modifying program logic if the virtual manufacturing equipment does not operate according to the expected action.
Claims (10)
1. The modeling system for the digital twinning of the manufacturing equipment is characterized by comprising a manufacturing equipment information module, a virtual-real control system module, a data management system module and a visual service module;
the manufacturing equipment information module is used for providing real manufacturing equipment information and virtual manufacturing equipment information, the real manufacturing equipment information is modeling data after processing integration, the modeling data is used for modeling a manufacturing equipment digital twin model, the modeling data comprises geometric model information, production state information and action behavior information of the manufacturing equipment, the manufacturing equipment digital twin model is virtual manufacturing equipment, and the virtual manufacturing equipment information comprises virtual geometric model information, logic resource information and action path information;
the virtual-real control system module is used for providing a real controller and a virtual controller, the real controller controls the real manufacturing equipment to operate and transmits modeling data to the virtual controller so as to drive the virtual manufacturing equipment, and the virtual controller receives the modeling data and controls the virtual manufacturing equipment to change the production state and the simulation of parts, and meanwhile, controls the virtual manufacturing equipment to be consistent with the real manufacturing equipment in action;
the data management system module is used for collecting modeling data of the manufacturing equipment information module, converting semantic text information into digital information and storing the digital information, transmitting Boolean data and digital data between the real controller and the virtual controller, and simultaneously assisting in controlling the virtual manufacturing equipment and the real manufacturing equipment to act consistently;
the visual service module is used for performing visual service, converting all information contained in the manufacturing equipment information module into behavior actions of the virtual manufacturing equipment, and assisting in analyzing the data provided by the data management system module.
2. The manufacturing equipment digital twin modeling system of claim 1, wherein the manufacturing equipment information module comprises a three-dimensional model dataset, an operational state dataset, an action dataset;
the three-dimensional model dataset contains model information for the parts required for manufacturing the equipment;
the operation state data set comprises operation state information of dynamic parts of manufacturing equipment, wherein the parts with obvious action behaviors are dynamic parts;
the action behavior data set contains action behavior information for manufacturing equipment dynamic parts.
3. The modeling system of claim 2, wherein the virtual controller of the virtual-real control system module is simulation software running on an upper computer to simulate a real PLC, and is used for connecting the real PLC, monitoring the running condition of the real PLC, and establishing a virtual PLC, connecting with the virtual manufacturing equipment, and controlling the virtual manufacturing equipment to act as an external controller of the virtual manufacturing equipment.
4. The modeling system for digital twinning of manufacturing equipment according to claim 3, wherein in the virtual-real control system module, the virtual controller and the real controller have the characteristics of full duplex communication mode, same network, same data transmission address and simple programming.
5. The modeling system of claim 4, wherein in the virtual-real control system module, the modeling data of the real controller is mapped into the digital information of the virtual controller by the same data transmission address without passing through the database.
6. The modeling system for digital twinning of manufacturing equipment according to claim 5, wherein the information of the collected modeling data in the data management system module comprises production state information and action behavior information, wherein the production state information comprises green light normal operation, yellow light alarm and red light alarm; the action behavior information comprises the appearance of parts, the disappearance of parts, the movement of parts and the rotation of parts; converting the production state information and the action behavior information into digital information, wherein the digital information comprises Boolean data and digital data; boolean data is 0/1 or True/False, and digital data is a digital sequence.
7. The modeling system for manufacturing equipment digital twinning according to claim 6, wherein in the data management system module, based on TIA Portal V16 software, a real PLC is defined as r_plc, and a virtual PLC is defined as v_plc, all r_plcs and v_plcs are integrated into TIA Portal V16, a communication program "PUT" or "GET" program is written into r_plc or v_plc, the "PUT" program is used for PLC to send data, and the "GET" program is used for PLC to acquire data, and data transmission between r_plc and v_plc is realized.
8. A real-time interaction method using the manufacturing equipment digital twinning according to any one of claims 1 to 7, characterized in that the visualization service module is based on Process simulation software for simulation debugging, physical simulation and real-time monitoring, and specifically comprises the following steps:
1) Setting the same real controller data address and real manufacturing equipment data address, establishing the association between the real controller and the real manufacturing equipment, adopting TIA Portal V16 software to edit the real controller program in combination with the processing production requirements of the real manufacturing equipment, editing the data in the software, and observing and debugging the running condition of the real manufacturing equipment;
2) Constructing a three-dimensional model of the virtual manufacturing equipment according to the manufacturing equipment information module, and determining the relative position relation of all parts; importing the three-dimensional model into Process simulation software, formulating behavior control logic of the virtual manufacturing equipment according to the action behavior of the real manufacturing equipment, and adopting a Forced command to perform physical simulation on the dynamic parts so as to Simulate the dynamic parts; if the physical simulation of all dynamic parts is correct, establishing a complete physical simulation scene of the whole manufacturing equipment, and carrying out omnibearing mapping on the real manufacturing equipment;
3) The communication between the real controller and the virtual controller is realized through an S7 communication protocol, the integration of the manufacturing equipment information module, the virtual-real control system module and the data management system module is completed, the real-time online driving or offline simulation is carried out on the virtual-real manufacturing equipment by the data provided by the data management system module and the signals output by the virtual-real control system module, the online driving means that the running state change in the manufacturing process of parts on the real manufacturing equipment is tracked in real time, and the whole running condition of the real manufacturing equipment is mapped comprehensively; offline simulation means that the simulation device is not connected with real manufacturing equipment and cannot influence the real manufacturing equipment in real time.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method of any one of claims 1 to 8 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any one of claims 1 to 8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116700133A (en) * | 2023-08-08 | 2023-09-05 | 长春设备工艺研究所 | Assembly line digital twin method and system based on PLC data |
| CN116755416A (en) * | 2023-08-23 | 2023-09-15 | 弥费科技(上海)股份有限公司 | Virtual debugging method, device and product of production system for semiconductor production and manufacture |
| CN117631606A (en) * | 2024-01-26 | 2024-03-01 | 深圳和润达科技有限公司 | PLC analog control method and device applied to cell formation component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116700133A (en) * | 2023-08-08 | 2023-09-05 | 长春设备工艺研究所 | Assembly line digital twin method and system based on PLC data |
| CN116755416A (en) * | 2023-08-23 | 2023-09-15 | 弥费科技(上海)股份有限公司 | Virtual debugging method, device and product of production system for semiconductor production and manufacture |
| CN116755416B (en) * | 2023-08-23 | 2023-11-28 | 弥费科技(上海)股份有限公司 | Virtual debugging method, device and product of production system for semiconductor production and manufacture |
| CN117631606A (en) * | 2024-01-26 | 2024-03-01 | 深圳和润达科技有限公司 | PLC analog control method and device applied to cell formation component |
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