Digital twinning rapid development platform for production line roaming and linkage

Abstract

A digital twinning rapid development platform oriented to production line roaming and linkage comprises an application layer, a fusion layer, a driving layer and a sensing layer, and the sensing layer is located at the bottommost layer of the platform and used for collecting real-time dynamic physical information data of production line equipment; the driving layer is used as a bridge between the sensing layer and the fusion layer, and realizes transmission, serialization and storage of production line real-time information data based on a multi-source production line data acquisition and transmission technology; the fusion layer comprises a digital twinning module, a middleware module, a collaborative management and control module and a data bus module, and is used for performing visual management and secondary processing analysis, packaging and statistical fusion on the production line information data; and the application layer is used for carrying out deep mining and visual presentation on data generated after processing of the fusion layer by taking an application as a purpose. According to the method, the virtual workshop roaming configuration threshold can be reduced, the production line roaming development time is shortened, the software use flexibility and the user experience are improved, and access to various site acquisition devices is supported.

Description

Technical Field

[0001] The present invention relates to the field of digital twin technology, and in particular to a digital twin rapid development platform for production line roaming and linkage. Background Art

[0002] Modern production lines have requirements such as dynamic processing operation paths, variable operation time, and discrete distribution of production factor information. Digital twins, as the fusion of connections between the physical world, the virtual world, and the physical-virtual world, are the preferred method to realize the interaction and integration of physical entities and digital information in digital workshops and production lines of intelligent manufacturing. They can meet people's pursuit of new demands and new trends in the development of the manufacturing industry such as innovation, intelligence, greenness, and sharing, and have natural advantages in the model expression, quality control, fault prediction, production control, and predictive scheduling of complex products.

[0003] The existing virtual production line roaming adopts code customization configuration. The code development has high requirements for users, long development time, and great difficulty in later adjustments. At the same time, the production line equipment comes from multiple manufacturers, and the communication protocols of the manufacturers are not unified, resulting in the data between the production line equipment being independent of each other and serious information islands. Summary of the invention

[0004] The technical problem to be solved by the present invention is to address the deficiencies in the existing technology and to provide a digital twin rapid development platform for production line roaming and linkage that can lower the threshold for virtual workshop roaming configuration, shorten the development time of production line roaming, improve software usage flexibility and user experience, and support access to various site acquisition devices.

[0005] The technical problem to be solved by the present invention is achieved through the following technical solutions. The present invention is a digital twin rapid development platform for production line roaming and linkage, which includes an application layer, a fusion layer, a driver layer and a perception layer. The perception layer is located at the bottom layer of the platform and is used to collect real-time dynamic physical information data of production line equipment; The driver layer is used as a bridge between the perception layer and the fusion layer, and realizes the transmission, serialization and storage of real-time information data of the production line based on multi-source production line data acquisition and transmission technology; The fusion layer includes the digital twin module, middleware module, collaborative management and control module, and data bus module, which are used for visual management and secondary processing analysis, packaging, and statistical fusion of production line information data; The application layer is the highest layer of the platform and is used for deep mining and visualization of the data generated after processing by the fusion layer for application purposes.

[0006] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the digital twin module integrates the production line scene fast roaming method based on JariRoam.js and the multi-source production line data acquisition and transmission bus method, and completes the production line scene roaming configuration in a visual way, thereby lowering the threshold for production line roaming configuration, and supports access to a wide range of detection equipment to ensure the real-time, accuracy and security of the data.

[0007] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the production line scene rapid roaming method based on JariRoam.js includes: When the 3D scene model of the production line is successfully imported into the platform, the platform automatically reads and stores the device running animation that comes with the model. When the device is roaming configured, the platform automatically loads the animation list for users to choose to play.

[0008] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the production line scene rapid roaming method based on JariRoam.js includes: When the user chooses adaptive playback, the platform automatically configures the playback speed of the voice, video, and animation associated with the device during roaming according to the playback duration configured by the user, so that it can adapt to the overall workshop roaming.

[0009] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the production line scene rapid roaming method based on JariRoam.js also includes: Support users to configure the initial perspective of equipment roaming by themselves, help users to configure production line roaming paths in a diversified manner, and combine production line equipment production animation to achieve the purpose of production process display; It supports multiple roaming mode options, including straight lines, curves and even complex multi-segment combinations.

[0010] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the production line scene rapid roaming method based on JariRoam.js also includes: Integrate advanced GSAP.js methods to add smooth transition animations to key frames during the roaming process, making the entire production line roaming process more natural; Provides data interaction function. During roaming, users are supported to set interaction points. Clicking the interaction points can trigger additional information display or other actions, thus enhancing user immersion and interactivity.

[0011] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the multi-source production line data acquisition and transmission bus method includes: Provide interface gateway module to support the connection of various test data on site, and select gateway devices from different manufacturers according to the different communication bus forms used by the acquisition hardware; Provide interface development and integration modules, conduct secondary software development and integrate relevant site data for acquisition equipment and OPC server site data according to different protocol types.

[0012] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the multi-source production line data acquisition and transmission bus method includes: Provide data collection and transmission module, use the data collected by interface gateway module, interface development and integration module to define a unified and standardized upper-layer data packet structure, use reliable binary encoding rules to encode parameters, and perform data packet compression to ensure the security of data after transmission.

[0013] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the multi-source production line data acquisition and transmission bus method also includes: Provides a data publishing and subscription module, uses the data transmission bus basic operating environment to manage various data producers and data consumers connected to the bus, allocates publishing and subscription channels for various data topics, controls the access rights of each channel, and ensures the operation of the data transmission bus.

[0014] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the above-mentioned digital twin rapid development platform for production line roaming and linkage, the multi-source production line data acquisition and transmission bus method also includes: A real-time data operation monitoring module is provided to monitor the data of each site, the control center data, and the environmental data in real time during the real-time data transmission process, including the data transmission rate and the amount of data temporarily cached in the current data queue, to achieve management during system runtime, and provide a variety of icon styles as needed to display the real-time status of data from different dimensions.

[0015] Compared with the prior art, the present invention, based on the imported production line equipment model, completely and realistically depicts the direction and layout of the entire production line equipment. Through the deep integration of key technologies such as production line scene fast roaming based on JariRoam.js and multi-source production line data acquisition and transmission bus, the production line roaming configuration and storage are performed in a visual way, replacing the traditional code editing and debugging, so that users without code development experience can also perform production line roaming configuration according to their own ideas. At the same time, the platform can realize the full process management of production line data from collection, storage, mining to visual display, breaking the data information island of workshop equipment, and providing important data support for production line managers to obtain the latest production line situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A platform architecture diagram of the present invention; Figure 2 A flowchart for realizing production line roaming of the present invention; Figure 3 This is a diagram of the multi-source production line data acquisition and transmission bus architecture of the present invention. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Reference Figure 1 , a digital twin rapid development platform for production line roaming and linkage, including; Perception layer: The perception layer is located at the bottom layer of the platform, where the real-time dynamic physical information data of production line equipment is collected; Driver layer: The driver layer is the bridge between the perception layer and the fusion layer. In this module platform, the transmission, serialization and storage of real-time information data of the production line are realized based on multi-source production line data acquisition and transmission technology; Fusion layer: The fusion layer includes modules such as digital twins, middleware, collaborative management and control, and data bus. On this module platform, production line information data is visualized and analyzed, packaged, and statistically integrated; Application layer: The application layer is the highest layer of the platform. It conducts in-depth mining and visualization of the data generated after processing by the fusion layer for application purposes.

[0019] Specific: System organizational structure module: The system's organizational structure is set up according to the actual situation of the production line. Teams and users are mounted under the organizational structure. The administrator can perform daily maintenance on the organizational structure. The production line scene fast roaming technology based on JariRoam.js has significantly expanded the 3D visualization roaming function on the basis of core function encapsulation based on WebGL; When the finished equipment model of the production line is imported into the platform, the platform can automatically read the model's built-in animation list and store it, including data information such as animation playback duration; When users configure roaming, they first configure the preset viewing angle, device roaming duration, associated voice, and associated monitoring for a single device, and support configuration saving and preview; After the roaming configuration of a single device is successful, the user can configure the roaming path and complete the customized roaming configuration by selecting the playback order of the roaming devices. The roaming route storage and preview are supported. After the production line roaming configuration is successful, click Preview to play the platform operation process as follows Figure 1 As shown, the platform roams the production line by cyclically reading the configuration parameters of each equipment point in the specified roaming route; During the production line roaming process, the system supports the adaptive playback of voice, animation, and video associated with the device. It can automatically adjust the playback speed of the associated playback media according to the configured playback duration, making the production line roaming smoother and more fluent. The roaming path planning in the production line scene fast roaming technology based on JariRoam.js supports multiple style options, and can realize straight lines, curves, and even complex multi-segment combined roaming display solutions during the roaming process; The preset perspective in the roaming path planning of the production line scene fast roaming technology based on JariRoam.js supports users to pre-set the camera's perspective, focal length and rotation angle to ensure the best display effect; The animation effect in the production line scene fast roaming technology based on JariRoam.js can add smooth transition animations to the key frames in the roaming process, making the entire roaming process more natural; The interactive function in the production line scene fast roaming technology based on JariRoam.js can set interaction points. Clicking these points can trigger additional information display or other actions, further enhancing the user's immersion and interactivity.

[0020] like Figure 2 As shown in the figure, the production line roaming implementation process is as follows: 1. Get the virtual production line roaming configuration list, i=0, i represents the number of devices; 2. Initialize the roaming environment of the i-th device in the list; 3. The interface feedback device starts roaming; 4. Determine whether voice playback is needed. If yes, play the voice. If not, determine whether animation playback is needed. 6. If yes, play the device animation; if no, determine whether the device label needs to be displayed; if yes, display the device label; if no, determine whether video surveillance needs to be linked; 7. If yes, the front-end interface is called to play the real-time video, i=i+1; if no, the interface feedback device ends roaming, i=i+1; 8. Return to step 2 until all devices are connected and roaming ends.

[0021] Figure 3 This is a data architecture diagram of the multi-source production line data acquisition bus technology, which includes an interface gateway module, an interface development and integration module, a data acquisition and transmission module, a data publishing and subscription module, and a data real-time operation monitoring module; The interface gateway module is a key component in the digital twin rapid development platform. It serves as a bridge between field devices and upper-level information systems. Used to connect various test data on site. According to the different communication bus forms adopted by the acquisition hardware, gateway devices from different manufacturers can be selected to adapt to the diversity of acquisition hardware and ensure that data can be smoothly transmitted between different systems and devices; The interface development and integration module conducts secondary software development according to different protocol types, integrates relevant site data, and forms data packages for this site; The data collection and transmission module uses the data collected by the interface gateway module and the interface development and integration module to define a unified and standardized upper-layer data packet structure, use reliable binary encoding rules to encode parameters, and perform data packet compression to ensure the security of data after transmission and ensure the efficiency of network bandwidth use; The data publishing and subscription module uses the basic operating environment of the data transmission bus to manage various data producers and data consumers connected to the bus. For various data topics, it allocates publishing and subscription channels, controls the access rights of each channel, and ensures the operation of the data transmission bus.

[0022] The data real-time operation monitoring module monitors various topics such as site data, control center data, environmental data, etc. during the real-time data transmission process, including data transmission rate, the amount of data temporarily cached in the current data queue, etc., to facilitate the management of the system during operation. It can provide a variety of icon styles as needed to display the real-time status of data from different dimensions.

[0023] The present invention provides a digital twin rapid development platform for production line roaming and linkage. Based on the imported production line equipment model, it fully and realistically depicts the direction and layout of the entire production line equipment. Through the deep integration of key technologies such as production line scene rapid roaming based on JariRoam.js and multi-source production line data acquisition and transmission bus, the production line roaming configuration and storage are performed in a visual way, replacing the traditional code editing and debugging, so that users without code development experience can also perform production line roaming configuration according to their own ideas. At the same time, the platform can realize the full process management of production line data from collection, storage, mining to visual display, breaking the data information island of workshop equipment, and providing important data support for production line managers to obtain the latest production line situation; Compared with the existing technology, the present invention can lower the threshold for virtual workshop roaming configuration, shorten the production line roaming development time, and improve the flexibility of software use and user experience. At the same time, it supports access to various site acquisition devices, including but not limited to PLCs and OPC servers from mainstream manufacturers, with a scale of no less than 500 channels.

Claims

1. A digital twin rapid development platform for production line roaming and linkage, characterized by: The platform includes application layer, fusion layer, driver layer and perception layer. The perception layer is located at the bottom layer of the platform and is used to collect real-time dynamic physical information data of production line equipment; The driver layer is used as a bridge between the perception layer and the fusion layer, and realizes the transmission, serialization and storage of real-time information data of the production line based on multi-source production line data acquisition and transmission technology; The fusion layer includes the digital twin module, middleware module, collaborative management and control module, and data bus module, which are used for visual management and secondary processing analysis, packaging, and statistical fusion of production line information data; The application layer is the highest layer of the platform and is used for deep mining and visualization of the data generated after processing by the fusion layer for application purposes.

2. The digital twin rapid development platform for production line roaming and linkage according to claim 1 is characterized by: The digital twin module integrates the production line scene fast roaming method based on JariRoam.js and the multi-source production line data acquisition and transmission bus method, completes the production line scene roaming configuration in a visual way, lowers the threshold for production line roaming configuration, and supports access to a wide range of detection equipment to ensure the real-time, accuracy and security of the data.

3. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The production line scene fast roaming method based on JariRoam.js includes: When the 3D scene model of the production line is successfully imported into the platform, the platform automatically reads and stores the device running animation that comes with the model. When the device is roaming configured, the platform automatically loads the animation list for users to choose to play.

4. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The production line scene fast roaming method based on JariRoam.js includes: When the user chooses adaptive playback, the platform automatically configures the playback speed of the voice, video, and animation associated with the device during roaming according to the playback duration configured by the user, so that it can adapt to the overall workshop roaming.

5. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The production line scene fast roaming method based on JariRoam.js also includes Support users to configure the initial perspective of equipment roaming by themselves, help users to configure production line roaming paths in a diversified manner, and combine production line equipment production animation to achieve the purpose of production process display; It supports multiple roaming mode options, including straight lines, curves and even complex multi-segment combinations.

6. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The production line scene fast roaming method based on JariRoam.js also includes Integrate advanced GSAP.js methods to add smooth transition animations to key frames during the roaming process, making the entire production line roaming process more natural; Provides data interaction function. During roaming, users are supported to set interaction points. Clicking the interaction points can trigger additional information display or other actions, thus enhancing user immersion and interactivity.

7. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The method based on multi-source production line data acquisition and transmission bus includes: Provide interface gateway module to support the connection of various test data on site, and select gateway devices from different manufacturers according to the different communication bus forms used by the acquisition hardware; Provide interface development and integration modules, conduct secondary software development and integrate relevant site data for acquisition equipment and OPC server site data according to different protocol types.

8. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The method based on multi-source production line data acquisition and transmission bus includes: Provide data collection and transmission module, use the data collected by interface gateway module, interface development and integration module to define a unified and standardized upper-layer data packet structure, use reliable binary encoding rules to encode parameters, and perform data packet compression to ensure the security of data after transmission.

9. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The method based on multi-source production line data acquisition and transmission bus also includes Provides a data publishing and subscription module, uses the data transmission bus basic operating environment to manage various data producers and data consumers connected to the bus, allocates publishing and subscription channels for various data topics, controls the access rights of each channel, and ensures the operation of the data transmission bus.

10. The digital twin rapid development platform for production line roaming and linkage according to claim 2 is characterized by: The method based on multi-source production line data acquisition and transmission bus also includes A real-time data operation monitoring module is provided to monitor the data of each site, the control center data, and the environmental data in real time during the real-time data transmission process, including the data transmission rate and the amount of data temporarily cached in the current data queue, to achieve management during system runtime, and provide a variety of icon styles as needed to display the real-time status of data from different dimensions.

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