LU503249B1 - Digital-Twinning-Based Three-Dimensional Pipe Gallery System for Chemical Industry Park - Google Patents
Digital-Twinning-Based Three-Dimensional Pipe Gallery System for Chemical Industry Park Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/04—Constraint-based CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present disclosure discloses a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park, wherein the system generates publishing of basic geographic information services by integrating GIS data, BIM data and IoT data, and also integrates and optimizes data of sensors, cameras and sedimentation monitors. On this basis, integration of a series of service models can be formulated on a platform interface of a digital pipe gallery management system of a terminal, such as pipeline medium concentration prediction, emergency planning, process decision making, as well as the scheduling simulation of inspection personnel and emergency personnel, and emergency scheduling decision making, so that the whole system can truly prevent potential safety hazards in the chemical industry park in advance in practical application. In addition, due to a SpringBoot framework, distributed management of cloud servers, high-speed reading and backup of redundant data can be more conveniently achieved.
Description
1 LU503249
Digital-Twinning-Based Three-Dimensional Pipe Gallery System for
Chemical Industry Park
[0001] The present disclosure relates to the field of pipe galleries in the chemical industry, in particular to a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park.
[0002]In recent years, with the rapid development of the multidisciplinary modeling and the simulation technology, and thanks to the development of the Internet of Things, big data, cloud computing, artificial intelligence and other new generation information technologies, research of the digital twinning technology has become a hot spot and has been successfully applied in many fields. As the chemical industry plays a pivotal role in the national economy, it is closely related to the national economy. The development of the chemical industry will be an indispensable prerequisite and guarantee for the efficient and stable development of the national economy. At the same time, due to the particularity and danger of the chemical industry, it will also bring many safety problems. Based on this problem and the rise and improvement of the digital twinning technology, the monitoring devices in the physical world such as sensors, cameras and sedimentation monitors in the chemical industry park are combined with the digital world of computer terminals to form a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park to solve the problems of the digital twinning system that the system is imperfect, authenticity is insufficient, and security cannot be guaranteed in today 's market.
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[0003]Directing at the defects in the prior art, the present disclosure aims to provide a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park so as to solve the problems proposed in the above background.
[0004]In order to achieve the above purposes, the present disclosure provides the following technical solution: a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park, comprising a system architecture part and a system software part, wherein the system architecture part is composed of four parts of a sensing layer, an access layer, a platform layer and a display layer; the system software part is composed of six parts of three-dimensional visualization of a pipe gallery, business management, inspection management, pipe gallery management, emergency management and system management; based on a SpringBoot framework, the system achieves visualization of three-dimensional data of the pipe gallery at a front end through a Vue framework and a
Cesium library.
[0005] The sensing layer is composed of sensors, cameras and sedimentation monitors;
[0006] The access layer is a data acquisition and control interface supporting various communication protocols from a bottom layer sensor.
[0007] The platform layer is composed of a transmission layer and a data layer, the transmission layer being a network layer for transmitting data and supporting various types of wired and wireless communications; the data layer stores message-oriented middleware and a database for caching and analyzing data.
[0008] The display layer is used for performing three-dimensional model display of the pipe gallery data.
[0009] As a preferred technical solution of the present disclosure, the construction process of the whole system comprises the following steps.
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[0010]S1: constructing a digital twinning system network to complete interaction between an internal network and an external network;
[0011]S2: realizing a three-dimensional digital pipe gallery model updating architecture by
Springboot + WebSocket;
[0012] S3: displaying the pipe gallery data at the front end by the vue framework;
[0013] S4: completing modeling of a three-dimensional model of the pipe gallery by CAD + 3D MAX; and
[0014] S5: completing visualized display of the three-dimensional model of the pipe gallery by Cesium + leaflet.
[0015] As a preferred technical solution of the present disclosure, S1: constructing a digital twinning system network to complete interaction between an internal network and an external network, comprises specific steps as follows:
[0016] S11: acquiring data through the lowest sensing layer, monitoring real-time data via the sensor, and then transmitting the data to the access layer; in the access layer, using an
RS-485 serial communication interface to connect various types of sensors, cameras and sedimentation monitors, and constituting a physical layer of this digital twinning system network system by an RS-485 serial communication interface bus, which completes the task of transmitting bit streams between nodes;
[0017]S12: uniformly converting data transmitted by the physical layer into a Modbus protocol format by STM32 so that a data link layer of the network system is constructed, namely, the task of transmitting data between the nodes is completed,
[0018] S13: using a highly integrated multimedia network router as RTU of the whole system, so that data transmitted from the data link layer completes the interaction between the internal network and the external network via an NAT interface by using an “IP address
4 LU503249 + port number”, thus completing a network layer architecture of the system in a “routing” method; and
[0019] S14: delivering the data to the transmission layer by the network layer and then delivering the data to a terminal, so that the whole digital twinning system can be operated by a host computer to complete monitoring and early warning of the whole digital twinning pipe gallery system for a chemical industry park.
[0020]As a preferred technical solution of the present disclosure, S2: realizing a three- dimensional digital pipe gallery model updating architecture by Springboot + WebSocket, comprises specific steps as follows:
[0021] S21: updating the pipe gallery data, firstly recording a specific update position thereof to form a pipeline update record table, and then sending, by a client, an update response request to a server end according to the pipeline update record table, after receiving the request by the server end, updating the three-dimensional model data of the pipe gallery according to the client request, determining an update range, and reconstructing the three-dimensional model data of the pipe gallery within the range;
[0022] S22: updating, indexing and ranking the three-dimensional data again by the server end according to a searched object;
[0023] S23: actively notifying the client of the update situation of the three-dimensional model data of the pipe gallery by the server end via a WebSocket protocol; and
[0024] S24: at the same time, realizing a multi-user update operation for a plurality of clients by invoking a three-dimensional update service at the server end, and performing data exchange between the server end and the client by using SpringBoot + WebSocket to support local update and overall update of the three-dimensional model of the pipe gallery; after finishing updating the three-dimensional pipe gallery data, delivering the data to the front end for display and update.
[0025]As a preferred technical solution of the present disclosure, S3: displaying the pipe gallery data at the front end by the vue framework, comprises specific steps as follows:
[0026]S31: firstly, creating Vue 3.0 engineering via a Vue-cli scaffold; entering an engineering project, and by importing a bootstrap style, making the layout of a page more beautiful and performing an operation of the page layout more conveniently; by importing a cesium style, performing a three-dimensional visualization operation; and
[0027] S32: completing switching in components in the current page and switching between components under the content of the current page by using a Vue-router function, so as to avoid frequent page refresh and page jump when switching the content in the component or between the components, which can further shorten the response time and reduce the power consumption of a browser.
[0028] As a preferred technical solution of the present disclosure, S4: completing modeling of a three-dimensional model of the pipe gallery by CAD + 3D MAX, comprises specific steps as follows:
[0029] S41: based on the classification, characteristics, geometric characteristics and semantic elements of piping, designing and defining the data structure of pipelines, that is, defining pipe points, surface vertices, pipe segments and buildings of the pipeline respectively by a struct, respectively defining structural features thereof in the struct, and then by data constraints, making the whole modeling process more standardized,
[0030] S42: completing two-dimensional modeling of the pipe gallery data via CAD, then exporting a result to 3D MAX, and continuing to complete modeling of the whole three- dimensional pipe network by 3D MAX;
[0031] S43: after the 3D MAX modeling is completed, acquiring coordinates of an insertion point via a cesiumlab tool, and moving the axis of a model in 3D MAX software to a
6 LU503249 corresponding position point, setting coordinates of the corresponding position point as (0, 0, 0), and then exporting a file as a fbx format; and
[0032] S44: returning to the cesiumlab tool, selecting a slicing mode of “general model slicing”, and adding the fbx format file previously exported using 3D MAX, and delivering the fbx format file to the cesiumlab tool for automatic parameter processing and file format conversion operations, so as to convert fbx file data into data in a 3D Tiles format; after the file format conversion is completed, selecting an output path and submitting a result.
[0033]As a preferred technical solution of the present disclosure, S5: completing visualized display of the three-dimensional model of the pipe gallery by Cesium + leaflet, comprises specific steps as follows: performing three-dimensional rendering and visualized display on the above data in a Cesium + leaflet method; and based on a vue technology of the front end and a SpringBoot technology of a back end, displaying the three-dimensional pipe gallery model on a terminal device in a visualized mode.
[0034]The present disclosure has the beneficial effects that the system generates publishing of basic geographic information services by integrating GIS data, BIM data and loT data, and also integrates and optimizes data of sensors, cameras and sedimentation monitors; on this basis, integration of a series of service models can be formulated on a platform interface of a digital pipe gallery management system of a terminal, such as pipeline medium concentration prediction, emergency planning, process decision making, as well as the scheduling simulation of inspection personnel and emergency personnel, and emergency scheduling decision making, so that the whole system can truly prevent potential safety hazards in the chemical industry park in advance in practical application.
[0035]In addition, due to a SpringBoot framework, distributed management of cloud servers, high-speed reading and backup of redundant data can be more conveniently achieved, which provides a large number of reliable data support for the operation of data
7 LU503249 parsing algorithms, and maintains the whole digital twinning system. Through the acquisition, transmission, storage, processing, application and governance of this series of data, a complete digital twinning system is formed. The present disclosure improves and optimizes the acquisition and transmission of the data, and uses a SpringBoot framework at a back end to update a three-dimensional model architecture, and uses a vue framework at a front end to realize three-dimensional visualization of a simulation model at the front end by combining CAD + 3D MAX. In the future, a Hadoop + spark framework can be introduced, on the basis of the digital twinning system, a big data technology can be introduced to provide support for parallel algorithms, so that the system can effectively process data streams, so as to achieve high-performance and highly reliable operations of the data throughout the life cycle.
[0036]FIG. 1 is an architecture view of a digital pipe gallery management system of the present disclosure;
[0037]FIG. 2 is a functional module view of the digital pipe gallery management system of the present disclosure;
[0038]FIG. 3 is a master-slave mode view of the present disclosure; and
[0039]FIG. 4 is a module view of a three-dimensional update service of the present disclosure.
[0040] The preferred embodiments of the present disclosure will be described in detail below in combination with the drawings, so that the advantages and features of the present disclosure can be more easily understood by those skilled in the art, thereby more clearly defining the scope of protection of the present disclosure.
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[0041]Embodiment: please refer to FIG. 1 and FIG. 2, the present disclosure provides a technical solution: a digital-twinning-based three-dimensional pipe gallery system for a chemical industry park, wherein the system generates publishing of basic geographic information services by integrating GIS data, BIM data and loT data, and also integrates and optimizes data of sensors, cameras and sedimentation monitors. On this basis, integration of a series of service models can be formulated on a platform interface of a digital pipe gallery management system of a terminal, such as pipeline medium concentration prediction, emergency planning, process decision making, as well as the scheduling simulation of inspection personnel and emergency personnel, and emergency scheduling decision making, so that the whole system can truly prevent potential safety hazards in the chemical industry park in advance in practical application. In addition, due to a SpringBoot framework, distributed management of cloud servers, high-speed reading and backup of redundant data can be more conveniently achieved, which provides a large number of reliable data support for the operation of data parsing algorithms, and maintains the whole digital twinning system. Through the acquisition, transmission, storage, processing, application and governance of this series of data, a complete digital twinning system is formed. The present disclosure improves and optimizes the acquisition and transmission of the data, and uses a SpringBoot framework at a back end to update a three-dimensional model architecture, and uses a vue framework at a front end to realize three-dimensional visualization of a simulation model at the front end by combining CAD + 3D MAX. In the future, a Hadoop + spark framework can be introduced, on the basis of the digital twinning system, a big data technology can be introduced to provide support for parallel algorithms, so that the system can effectively process data streams, so as to achieve high-performance and highly reliable operations of the data throughout the life cycle.
9 LU503249
[0042] The specific steps are as follows.
[0043] S1: Constructing a digital twinning system network to complete interaction between an internal network and an external network;
[0044] In this digital pipe gallery management system, the lowest sensing layer is used for acquiring data, and is mainly composed of hardware devices such as sensors, cameras and sedimentation monitors. These sensors are used for monitoring real-time data, and then the data is transmitted to an access layer; in the access layer, we use an RS-485 serial communication interface to connect various type of sensors, cameras, and sedimentation monitors; an RS-485 serial communication interface bus constitutes a physical layer of the digital twinning system network system, which completes the task of transmitting bit streams between nodes. Then, through STM32, the data transmitted by the physical layer is uniformly converted into a Modbus protocol format, so that a data link layer of the network system is constructed, that is, the task of transmitting data between the nodes is completed. After that, a highly integrated multimedia network router is used as
RTU of the whole system, so that data transmitted from the data link layer completes the interaction between the internal network and the external network via an NAT interface by using an “IP address + port number”, and then a network layer architecture of the system is completed in a “routing” method. Finally, the data is delivered to the transmission layer by the network layer and then the data is delivered to a terminal, so that the whole digital twinning system can be operated by a host computer to complete monitoring and early warning of the whole digital twinning pipe gallery system for a chemical industry park.
[0045]S2: Realizing a three-dimensional digital pipe gallery model updating architecture by Springboot + WebSocket.
[0046] With regard to update of the pipe gallery data, we need to firstly record a specific update position thereof to form a pipeline update record table, and then by a client, an update response request is sent to a server end according to the pipeline update record table; after receiving the request by the server end, the three-dimensional model data of the pipe gallery is updated according to the client request, an update range is determined, and the three-dimensional model data of the pipe gallery within the range is reconstructed; at the same time, the three-dimensional data is updated, indexed and ranked again by the server end according to a searched object; Finally, actively notifying the client of the update situation of the three-dimensional model data of the pipe gallery by the server end via a
WebSocket protocol.
[0047] At the same time, a multi-user update operation is realized for a plurality of clients by invoking a three-dimensional update service at the server end, and data exchange between the server end and the client is performed by using SpringBoot + WebSocket to support local update and overall update of the three-dimensional model of the pipe gallery.
After finishing updating the three-dimensional pipe gallery data, the data is delivered to the front end for display and update.
[0048] S3: Displaying the pipe gallery data at the front end by the vue framework.
[0049] The system firstly creates Vue 3.0 engineering via a Vue-cli scaffold, enters an engineering project, and by importing a bootstrap style, makes the layout of a page more beautiful and performs an operation of the page layout more conveniently; by importing a cesium style, thereby a three-dimensional visualization operation can be performed
[0050]Then, we complete switching in components in the current page and switching between components under the content of the current page by using a Vue-router function, so as to avoid frequent page refresh and page jump when switching the content in the component or between the components, which can further shorten the response time and reduce the power consumption of a browser.
11 LU503249
[0051] S4: Completing modeling of a three-dimensional model of the pipe gallery by
CAD + 3D MAX.
[0052]Based on the classification, characteristics, geometric characteristics, semantic elements, etc. of piping, we design and define the data structure of pipelines, that is, pipe points, surface vertices, pipe segments and buildings of the pipeline are defined respectively by a struct, structural features thereof, such as the respective pipeline length, pipe point coordinates, identification number, etc., are respectively defined in the struct.
Then by data constraints, the whole modeling process is made to be more standardized.
Two-dimensional modeling of the pipe gallery data is completed via CAD. Then, a result is exported to 3D MAX, and modeling of the whole three-dimensional pipe network continues to be completed by 3D MAX.
[0053]After the 3D MAX modeling is completed, we acquire coordinates of a point which we want to insert via a cesiumlab tool, and move the axis of a model in 3D MAX software to a corresponding position point, set coordinates of the corresponding position point as (0, 0, 0), and then export a file as a fbx format.
[0054] Returning to the cesiumlab tool, we select a slicing mode of “general model slicing”, and add the fbx format file previously exported using 3D MAX, and deliver the fbx format file to the cesiumlab tool for automatic parameter processing and file format conversion operations, so as to convert fbx file data into data in a 3D Tiles format. After the file format conversion is completed, an output path is selected and a result is submitted.
[0055] S5: Completing visualized display of the three-dimensional model of the pipe gallery by Cesium + leaflet.
[0056] Finally, we perform three-dimensional rendering and visualized display of the above data in a method of Cesium + leaflet. Based on a vue technology of the front end and a
12 LU503249
SpringBoot technology of a back end, the three-dimensional pipe gallery model can be displayed on a terminal device in a visualized mode.
[0057]As in FIG. 1, this digital pipe gallery management system architecture is mainly composed of a sensing layer, an access layer, a platform layer and a display layer. The sensing layer is mainly composed of various sensors, such as sensors, cameras and sedimentation monitors. The access layer is a data acquisition and control interface supporting various communication protocols from a bottom layer sensor. A transmission layer, namely, a network layer, is used for transmitting data and supporting various types of wired and wireless communications. The data layer stores message-oriented middleware and a database for caching and analyzing data. The uppermost layer is the display layer and is used for performing three-dimensional model display of the pipe gallery data.
[0058]As in FIG. 2, the system software part is mainly composed of six parts of three- dimensional visualization of a pipe gallery, business management, inspection management, pipe gallery management, emergency management and system management. Based on a
SpringBoot framework, the system achieves visualization of three-dimensional data of the pipe gallery at a front end through a Vue framework and a Cesium library.
[0059] With regard to the implementation of the digital twinning system, the difficulty is not the representation of the model scene, but the inconsistency of the network where the data is located. The public network can have access to part of public resources, but some other data resources are subject to access of different VPN, and it is stipulated that cross- network access is not allowed. For example, the sensors, the cameras and the sedimentation monitors each have their own independent VPN, and cross access between each other cannot be achieved. After all, different sensor devices have different data transmission protocols and communication modes.
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[0060] Therefore, in this digital twinning system network, we introduced the Modbus communication protocol mechanism. Since the Modbus communication protocol follows the communication mode of the master-slave mode (see FIG. 3), a variety of apparatuses in different types can be cascaded by the Modbus communication protocol and an RS-485 transmission protocol, and these different types of data acquired by nodes (e.g. the sensors, the cameras and the sedimentation monitors each have different data storage formats) will be uniformly converted into data in a Modbus protocol format, and then the data will be forwarded to the upper layer for processing via STM-32.
[0061]As shown in FIG. 4, in the three-dimensional digital pipe gallery model update architecture, we adopt the method of SpringBoot + WebSocket, which is due to a defect of an HTTP protocol in the transmission protocol: the communication can only be initiated by the client, and the server end cannot actively send information to the client, so we use a
WebSocket protocol to achieve the communication between the server end and the client.
The Websocket protocol is a new network protocol based on TCP, which realizes full- duplex communication between a browser and a server, allowing the server to send information to the client actively.
[0062] The present disclosure aims to solve the problems of the digital twinning system that the system is imperfect, authenticity is insufficient, and security cannot be guaranteed in today 's market; the present disclosure improves the system in the following three aspects in sequence.
[0063] 1. With regard to the digital twinning system involved in the present disclosure, we acquire data through various types of sensors, cameras and sedimentation monitors, and a perfect digital twinning network acquisition system is formed through an RS-485 serial interface bus, STM-32, RTU, a transmission layer communication mechanism, and a database storage system to complete the monitoring and early warning of the whole digital
14 LU503249 twinning pipe gallery system for a chemical industry park. At the same time, the system uses the SpringBoot framework as the back end and the Vue framework as the front end.
By using CAD and 3D MAX as modeling software tools, the pipe gallery model is modeled, and the Cesium library at the front end is used as a visualization implementing tool for the three-dimensional pipe gallery for the chemical industry park, realizing three-dimensional visualized display and efficient simulation of the three-dimensional pipe gallery for the chemical industry park.
[0064]2.1 With regard to the authenticity of the digital twinning system, in the digital twinning system network, we use the RS-485 transmission protocol as the data acquisition method of the sensor, the monitoring camera and the sedimentation monitor to transmit and communicate signals. RS-485 is the most commonly used serial communication interface at present. It adopts a balanced transmission mode, and can support a communication distance of 1200 meters, and can use repeaters to increase the communication distance. An RS-485 bus also has a good anti-noise interference capacity.
When carrying out sedimentation measurement and detection of various gas concentrations and temperature and humidity conditions, the RS-485 bus can directly carry out information transmission and data exchange with the sensor to ensure the timeliness and accuracy of the data.
[0065]2.2 After receiving the data transmitted in an STM-32 serial transmission mode, we use a multimedia network router as a remote terminal unit (RTU) of the whole system. RTU is a microprocessor-based device, which can sometimes be programmed through a simple web interface and is widely used in remote areas over several kilometers and extreme environments, such as offshore oil drilling platforms. The RTU we use has very good wireless performance and can support many network communications in different types. At the same time, because a digital signal processor is built in the multimedia network router, a video acquisition system can be processed with high performance.
[0066]2.3 In addition, based on the classification, characteristics, geometric characteristics, semantic elements, etc. of piping, the data structure of pipelines is designed and defined, that is, pipe points, surface vertices, pipe segments and buildings of the pipeline are respectively defined by a struct, structural features thereof, such as the respective pipeline length, pipe point coordinates, identification number, etc., are respectively defined in the struct. Then by data constraints, the whole modeling process is made to be more standardized. Then, we complete two-dimensional modeling of the pipe gallery data via
CAD, then export a result to 3D MAX, and continue to complete modeling of the whole three-dimensional pipe network by 3D MAX. At the same time, through the vue framework at the front end and the cesium library, rendering and visualized display of the three- dimensional pipe gallery data are achieved. Through the cesium library, in combination with geographic information data, the pipeline is located and queried. Through the integration of GIS data, BIM data and loT data, the system can guarantee the authenticity of the three-dimensional pipe gallery model of the chemical industry park to the maximum extent.
[0067]3. With regard to the security of the digital twinning system, we construct a digital twinning system network to complete interaction between the internal network and the external network. In addition, all node data transmitted from the RS-485 serial interface bus pass through a network address translation (NAT) engine in the router, so that the internal network data information and the external network data are converted in a manner of an ‘IP address + port number” in the form of “many to one”, and the sensors, cameras and sedimentation monitors of the internal network and a master server of the external network are controlled for mutual access. At the same time, the NAT engine effectively avoids the
16 LU503249 attacks from the external network, which can greatly improve the network security. In addition, the node data of all the sensors is independent from each other, and when an error occurs in the data or operation of a certain area, other areas at the same level will not be affected, so that the whole network system becomes more stable and reliable.
[0068] Typically, when a model is simulated, the component and the attributes of the component are created first. The components are then assembled and an analysis step is created, the analysis step is the object, angle, and type, such as heat transfer, static force, etc. that we want to analyze for the model. After determining the object to be analyzed for the model, we will define the boundary conditions and loads, that is, a threshold value is defined. When the data sensed by the sensor exceeds this threshold value, an alarm mechanism will be triggered. After the threshold value is defined, grids will be divided, and jobs will be created and submitted to a computer for operation. Finally, a post-processing operation will be performed.
[0069]According to digital twinning, the state of physical entity objects is sensed, diagnosed and predicted in real time by means of actual measurement, simulation, data analysis and the like, and the behavior of the physical entity object is adjusted through optimization instructions. In digital twins, the simulation technology is just a kind of creation and operation technology. When building a three-dimensional model system of a petrochemical pipe gallery, comprehensive modeling of the three-dimensional pipe gallery will firstly be carried out through CAD+3D MAX, that is, the components are assembled.
After determining the object to be analyzed for the model, a threshold value is set for all kinds of sensors and sedimentation monitors used in the system as a critical value for the early warning mechanism of the chemical industry pipe gallery system. At the same time, we divide the grid by using the Cesium technology at the front end in combination with a coordinate system. After that, the data of the sensors, sedimentation monitors and other
17 LU503249 monitoring devices can be quickly delivered to the terminal for operation and processing through an efficient data acquisition and transmission system, so as to realize the advantages of real-time monitoring and efficient simulation.
[0070]The system generates publishing of basic geographic information services by integrating GIS data, BIM data and loT data, and also integrates and optimizes data of the sensors, the cameras and the sedimentation monitors. On this basis, integration of a series of service models can be formulated on a platform interface of a digital pipe gallery management system of a terminal, such as pipeline medium concentration prediction, emergency planning, process decision making, as well as the scheduling simulation of inspection personnel and emergency personnel, and emergency scheduling decision making, so that the whole system can truly prevent potential safety hazards in the chemical industry park in advance in practical application. In addition, due to the SpringBoot framework, distributed management of cloud servers, high-speed reading and backup of redundant data can be more conveniently achieved, which provides a large number of reliable data support for the operation of data parsing algorithms, and maintains the whole digital twinning system. Through the acquisition, transmission, storage, processing, application and governance of this series of data, a complete digital twinning system is formed. The present disclosure improves and optimizes the acquisition and transmission of data, and uses a SpringBoot framework at a back end to update a three-dimensional model architecture, and uses a vue framework at a front end to realize three-dimensional visualization of a simulation model at the front end by combining CAD + 3D MAX. In the future, a Hadoop + spark framework can be introduced, on the basis of the digital twinning system, a big data technology can be introduced to provide support for parallel algorithms, so that the system can effectively process data streams, so as to achieve high- performance and highly reliable operations of the data throughout the life cycle.
18 LU503249
[0071] The foregoing embodiments only describe several implementations of the present disclosure, and the description thereof is specific and detailed, but cannot therefore be understood as a limitation to the patent scope of the present disclosure. It should be noted that, a person of ordinary skill in the art may further make several variations and improvements without departing from the concept of the present disclosure, and these variations and improvements all fall within the protection scope of the present disclosure.
Claims (7)
1. A digital-twinning-based three-dimensional pipe gallery system for a chemical industry park, comprising a system architecture part and a system software part, wherein, the system architecture part is composed of four parts of a sensing layer, an access layer, a platform layer and a display layer; the system software part is composed of six parts of three-dimensional visualization of a pipe gallery, business management, inspection management, pipe gallery management, emergency management and system management; based on a springboot framework, the system achieves visualization of three-dimensional data of the pipe gallery at a front end through a vue framework and a Cesium library; the sensing layer is composed of sensors, cameras and sedimentation monitors; the access layer is a data acquisition and control interface supporting various communication protocols from a bottom layer sensor; the platform layer is composed of a transmission layer and a data layer, the transmission layer being a network layer for transmitting data and supporting various types of wired and wireless communications; the data layer stores message-oriented middleware and a database for caching and analyzing data; the display layer is used for performing three-dimensional model display of the pipe gallery data.
2. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 1, wherein the construction process of the whole system is as follows: S1: constructing a digital twinning system network to complete interaction between an internal network and an external network;
S2: realizing a three-dimensional digital pipe gallery model updating architecture by springboot + websocket; S3: displaying the pipe gallery data at the front end by the vue framework; S4: completing modeling of a three-dimensional model of the pipe gallery by CAD + 3D MAX; and S5: completing visualized display of the three-dimensional model of the pipe gallery by Cesium + leaflet.
3. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 2, wherein S1: constructing a digital twinning system network to complete interaction between an internal network and an external network, comprises specific steps as follows: S11: acquiring data through the lowest sensing layer, monitoring real-time data via the sensor, and then transmitting the data to the access layer; in the access layer, using an RS-485 serial communication interface to connect various types of sensors, cameras and sedimentation monitors, and constituting a physical layer of this digital twinning system network system by an RS-485 serial communication interface bus, which completes the task of transmitting bit streams between nodes; S12: uniformly converting data transmitted by the physical layer into a Modbus protocol format by STM32 so that a data link layer of the network system is constructed, namely, the task of transmitting data between the nodes is completed, S13: using a highly integrated multimedia network router as RTU of the whole system, so that data transmitted from the data link layer completes the interaction between the internal network and the external network via an NAT interface by using an “IP address + port number”, thus completing a network layer architecture of the system in a “routing” method; and
21 LU503249 S14: delivering the data to the transmission layer by the network layer and then delivering the data to a terminal, so that the whole digital twinning system can be operated by a host computer to complete monitoring and early warning of the whole digital twinning pipe gallery system for a chemical industry park.
4. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 2, wherein, S2: realizing a three-dimensional digital pipe gallery model updating architecture by springboot + websocket, comprises specific steps as follows: S21: updating the pipe gallery data, firstly recording a specific update position thereof to form a pipeline update record table, and then sending, by a client, an update response request to a server end according to the pipeline update record table, after receiving the request by the server end, updating the three-dimensional model data of the pipe gallery according to the client request, determining an update range, and reconstructing the three-dimensional model data of the pipe gallery within the range; S22: updating, indexing and ranking the three-dimensional data again by the server end according to a searched object; S23: actively notifying the client of the update situation of the three-dimensional model data of the pipe gallery by the server end via a websocket protocol S24: at the same time, realizing a multi-user update operation for a plurality of clients by invoking a three-dimensional update service at the server end, and performing data exchange between the server end and the client by using springboot + websocket to support local update and overall update of the three-dimensional model of the pipe gallery; after finishing updating the three-dimensional pipe gallery data, delivering the data to the front end for display and update.
22 LU503249
5. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 2, wherein S3: displaying the pipe gallery data at the front end by the vue framework, comprises specific steps as follows: S31: firstly, creating vue 3.0 engineering via a vue-cli scaffold; entering an engineering project, and by importing a bootstrap style, making the layout of a page more beautiful and performing an operation of the page layout more conveniently; by importing a cesium style, performing a three-dimensional visualization operation; and S32: completing switching in components in the current page and switching between components under the content of the current page by using a vue-router function, so as to avoid frequent page refresh and page jump when switching the content in the component or between the components, which can further shorten the response time and reduce the power consumption of a browser.
6. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 2, wherein S4: completing modeling of a three-dimensional model of the pipe gallery by CAD + 3D MAX, comprises specific steps as follows: S41: based on the classification, characteristics, geometric characteristics and semantic elements of piping, designing and defining the data structure of pipelines, that is, defining pipe points, surface vertices, pipe segments and buildings of the pipeline respectively by a struct, respectively defining structural features thereof in the struct, and then by data constraints, making the whole modeling process more standardized, S42: completing two-dimensional modeling of the pipe gallery data via CAD, then exporting a result to 3D MAX, and continuing to complete modeling of the whole three- dimensional pipe network by 3D MAX; S43: after the 3D MAX modeling is completed, acquiring coordinates of an insertion point via a cesiumlab tool, and moving the axis of a model in 3D MAX software to a
23 LU503249 corresponding position point, setting coordinates of the corresponding position point as (0, 0, 0), and then exporting a file as a fbx format; and S44: returning to the cesiumlab tool, selecting a slicing mode of “general model slicing”, and adding the fbx format file previously exported using 3D MAX, and delivering the fbx format file to the cesiumlab tool for automatic parameter processing and file format conversion operations, so as to convert fbx file data into data in a 3D tiles format; after the file format conversion is completed, selecting an output path and submitting a result.
7. The digital-twinning-based three-dimensional pipe gallery system for a chemical industry park according to claim 2, wherein S5: completing visualized display of the three- dimensional model of the pipe gallery by Cesium + leaflet, comprises specific steps as follows: performing three-dimensional rendering and visualized display on the above data in a Cesium + leaflet method; and based on a vue technology of the front end and a springboot technology of a back end, displaying the three-dimensional pipe gallery model on a terminal device in a visualized mode.
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