CN112289107A - Industrial Internet bidirectional simulation mapping training system - Google Patents
Industrial Internet bidirectional simulation mapping training system Download PDFInfo
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- CN112289107A CN112289107A CN202011034230.1A CN202011034230A CN112289107A CN 112289107 A CN112289107 A CN 112289107A CN 202011034230 A CN202011034230 A CN 202011034230A CN 112289107 A CN112289107 A CN 112289107A
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Abstract
The invention provides an industrial internet bidirectional simulation mapping practical training system, which comprises: the system comprises an industrial internet gateway, an HMI interface and an actuator; the industrial internet gateway is connected with the actuator through an industrial bus; the industrial internet gateway is connected with the HMI interface through a serial bus; the actuator is connected with the HMI interface through a serial bus; the industrial internet gateway and the HMI interface are connected with the centralized management platform through a 5G network; the industrial internet gateway collects data of bottom layer equipment and transmits the data to the centralized management platform through the HMI interface; the centralized management platform generates a control decision by an actuator after passing through an HMI (human machine interface) according to a data calculation result of the bottom layer equipment and transmits the control decision to the bottom layer equipment through an industrial internet gateway; the beneficial effects provided by the invention are as follows: integrating data of the multidimensional physical entity, presenting the actual situation of the physical entity, controlling the physical entity through the HMI interface, realizing virtual + physical two-way mapping, and meeting the full-scene multi-dimensional practical training requirement of an operator.
Description
Technical Field
The invention relates to the field of industrial Internet of things, in particular to a bidirectional simulation mapping practical training system for an industrial Internet.
Background
Along with the manufacture industry of mat rolls of the Internet of things, intelligent production is rapidly developing. Intelligent systems and networks capable of exchanging and responding to information are increasingly being used in workshops to manage industrial processes. The convergence of virtual and physical systems has driven the development of intelligent factory concepts, which feature significant savings in quality, time, resources and cost, in addition to improved resiliency, fault tolerance and risk management.
However, in the current industrial simulation system, a digital twin system is generally adopted, namely, the digital model is used for simulating and diagnosing faults of an actual industrial production model, and the physical to virtual mapping is realized. The digital twin system has the defect that the projection of a virtual model to a physical model cannot be realized, namely, the bidirectional mapping from the physical model to the virtual model cannot be completed.
In addition, at present, no practical training equipment capable of covering a full scene exists for equipment of an industrial internet, including simulation of a management platform, simulation of an HMI and an actual physical actuator, and further, the requirement of the practical training of the full scene cannot be met.
Finally, in some special cases, such as during an epidemic situation, the mapping between the physical and virtual of the digital twin system can only be performed through the line, and the remote control cannot be realized.
Disclosure of Invention
In view of the above, the present invention provides an industrial internet bidirectional simulation mapping training system: the practical training system is teaching equipment for realizing the bidirectional mapping of a physical system and a digital model, performs data analysis and modeling on a physical entity by fully utilizing various edge layer equipment in the system, completes the simulation process of multidisciplinary, multiple physical quantities, multiple time scales and multiple probabilities, and reflects the full life cycle process of the physical system in different real scenes. Meanwhile, by means of various high-performance sensors and network communication technologies, the practical training system can display the actual situation of the physical entity in near real time by integrating data of the multi-dimensional physical entity and assisting data analysis and simulation, controls the physical entity through a virtual-real interaction interface, realizes virtual-physical two-way mapping, can meet the full-scene multi-dimensional practical training requirements of students or technical workers, and can realize remote interaction under specific conditions.
The invention provides an industrial internet bidirectional simulation mapping practical training system, which specifically comprises: the system comprises an industrial internet gateway, an HMI interface and an actuator; the industrial internet gateway is connected with the actuator through an industrial bus; the industrial internet gateway is connected with the HMI interface through a serial bus; the actuator is connected with the HMI interface through a serial bus; the industrial internet gateway and the HMI interface are connected with a centralized management platform through a 5G network;
the industrial internet gateway collects data of bottom layer equipment and transmits the data to the centralized management platform through the HMI interface; the centralized management platform performs edge calculation according to the data of the bottom layer equipment to obtain a calculation result; the calculation result is fed back to the HMI interface, and a control decision is generated on the HMI interface; the control decision is converted into a control instruction through the actuator; and the control instruction is transmitted back to the industrial internet gateway and is transmitted back to the bottom layer equipment by the industrial internet gateway, so that virtual and physical bidirectional simulation mapping is realized.
The beneficial effects provided by the invention are as follows: integrating data of the multidimensional physical entity, presenting the actual situation of the physical entity, controlling the physical entity through the HMI interface, realizing virtual + physical two-way mapping, and meeting the full-scene multi-dimensional practical training requirement of an operator.
Drawings
FIG. 1 is a schematic structural diagram of an industrial Internet bidirectional simulation mapping training system according to the present invention;
fig. 2 is a schematic diagram of the industrial internet gateway multi-protocol bus transparent transmission data flow of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an industrial internet bidirectional simulation mapping practical training system, which specifically includes the following: .
The system comprises an industrial internet gateway, an HMI interface and an actuator; the industrial internet gateway is connected with the actuator through an industrial bus; the industrial internet gateway is connected with the HMI interface through a serial bus; the actuator is connected with the HMI interface through a serial bus; the industrial internet gateway and the HMI interface are connected with a centralized management platform through a 5G network;
the industrial internet gateway collects data of bottom layer equipment and transmits the data to the centralized management platform through the HMI interface; the centralized management platform performs edge calculation according to the data of the bottom layer equipment to obtain a calculation result; the calculation result is fed back to the HMI interface, and a control decision is generated on the HMI interface; the control decision is converted into a control instruction through the actuator; and the control instruction is transmitted back to the industrial internet gateway and is transmitted back to the bottom layer equipment by the industrial internet gateway, so that virtual and physical bidirectional simulation mapping is realized.
The bottom layer equipment data consists of entity equipment data and virtual network data; the equipment data of the entity bottom layer comprises sensor data, motor data, key data and switch data; the virtual network data includes voice data, video data, and text data.
The industrial internet gateway is connected with the bottom layer equipment through an I/O interface and a multi-type conversion protocol.
The I/O interface specifically comprises AI, AO, DI and DO; the multi-type conversion protocol specifically comprises mutual conversion of Ethernet and CAN interfaces, mutual conversion of Ethernet and RS485/232 interfaces, mutual conversion of RS485/232 and CAN interfaces, conversion of MODbus TCP to MODbus unidirectional half-duplex, and conversion of MODbus TCP to CANopen unidirectional half-duplex.
The HMI interface includes a monitor display interface and a simulation data interface.
The actuator is a control mechanism which is composed of a single chip microcomputer and a PLC.
The industrial internet gateway collects data of bottom equipment and transmits the data of the bottom equipment to the monitoring display interface for real-time display;
and feeding back the calculation result to the simulation data interface, and generating a control decision at the simulation data interface.
In the embodiment of the application, the industrial Internet of things network adopts a high-performance 32-bit ARM processor STM32F 407. By transplanting and optimizing lightweight LWip, freeMODbus and CANfestival communication protocols, the embedded multi-protocol gateway can run on an ARM processor at a high speed, and the embedded multi-protocol gateway design is realized.
Referring to fig. 2, fig. 2 shows the communication mode implemented without using the application layer protocol is mainly the bidirectional transparent transmission mode: the Ethernet is converted with CAN interface, the Ethernet is converted with RS485/232 interface, the RS485/232 interface is converted with CAN interface, the CAN and RS485/232 interface CAN set baud rate and byte size of data transmitted by the interfaces.
Under the condition of adding an application layer protocol, the realized communication mode is as follows: the MODbus-TCP-to-MODbus unidirectional half-duplex transmission design and the MODb-USTCP-to-CANopen unidirectional half-duplex transmission design. The design of the scheduling algorithm realizes multi-protocol half-duplex cross communication, solves the problems of task switching, information caching, information blocking, error codes and the like, provides a program software design scheme and an idea STM32F407 with powerful DMA functions, and supports interfaces such as Ethernet, CAN, Rs485/232, IIC, SPI and the like.
In the embodiment of the application, the HMI interface adopts a nine-thoughts easily-controlled heaven and earth platform, and is connected to an enterprise management layer (namely a centralized management platform in the application) from the monitoring of a field layer (namely an actuator in the application), so that the problem of monitoring information isolated island is solved, the function of the HMI interface has the capacity of constructing a large system, and meanwhile, the open architecture design can integrate the functions of a customer service level, and the HMI interface and the actuator combine to form the large system.
The network framework4.0 platform is based on easily controlled places, the win7/win8 is supported, each function adopts independent modular design, an IO system, a picture system and the like can independently run, the IO system and the picture system are tightly combined with a user own service system, and meanwhile, the system has better expandability and meets the requirements of a future large monitoring system or other professional systems, so that the full scene requirement of industrial internet training is supported.
In the embodiment of the application, the actuator takes a single chip microcomputer and a PLC (programmable logic controller) as a core controller, common motor, acousto-optic indication, various sensors, temperature control, physical switches, a keyboard and other edge layer modules (namely, physical devices in the application) in a basic industrial internet are arranged on the periphery of the actuator, a multi-protocol bus is supported to be connected with a gateway, and logical operation is carried out according to an external input signal to complete physical-physical end simulation of the system. The executor may also respond with virtual data (i.e., virtual network data in the present application) to the physical entity according to the virtual model of the HMI.
The virtual entity monitors the state of the physical entity through sensor data to realize real-time dynamic mapping, then the control effect is verified through simulation in a virtual space, and the operation on the physical entity is realized through a control process. The interaction and the cooperation in the practical training model comprise physical-physical, virtual-virtual, physical-virtual and the like, and cover various elements such as people, machines, objects, environments and the like. The physical-physical interaction and cooperation can enable physical devices to communicate, coordinate and cooperate with each other so as to complete tasks which cannot be completed by a single device; the virtual-virtual interaction and cooperation can be connected with a plurality of virtual models to form the physical-virtual interaction and cooperation of the information sharing network, so that the virtual models and the physical objects synchronously change, and the physical objects can be dynamically adjusted according to direct commands of the virtual models.
The whole practical training model is integrated into a core frame by the full scene integration of four dimensions of 'physical integration, model integration, data integration and service integration', so that a complete and high-fidelity virtual entity mapping model is formed, and further support is provided for interaction and cooperation of a virtual-virtual layer.
The core of the present application is the structural framework and data flow communication method described in the present application; the centralized management platform can also generate a control decision according to the calculation result, and sends the control decision to the internet gateway through the network and returns the control decision to the bottom layer equipment.
This mode of connection allows the centralized management platform to remotely control the underlying equipment in certain specific situations, such as during an epidemic, rather than through the HMI interface.
The beneficial effects provided by the invention are as follows: integrating data of the multidimensional physical entity, presenting the actual situation of the physical entity, controlling the physical entity through the HMI interface, realizing virtual + physical two-way mapping, and meeting the full-scene multi-dimensional practical training requirement of an operator.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a real standard system of two-way simulation mapping of industry internet which characterized in that: the system comprises an industrial internet gateway, an HMI interface and an actuator; the industrial internet gateway is connected with the actuator through an industrial bus; the industrial internet gateway is connected with the HMI interface through a serial bus; the actuator is connected with the HMI interface through a serial bus; the industrial internet gateway and the HMI interface are connected with a centralized management platform through a network;
the industrial internet gateway collects data of bottom layer equipment and transmits the data to the centralized management platform through the HMI interface; the centralized management platform performs edge calculation according to the data of the bottom layer equipment to obtain a calculation result; the calculation result is fed back to the HMI interface, and a control decision is generated on the HMI interface; the control decision is converted into a control instruction through the actuator; and the control instruction is transmitted back to the industrial internet gateway and is transmitted back to the bottom layer equipment by the industrial internet gateway, so that virtual and physical bidirectional simulation mapping is realized.
2. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 1, wherein: the bottom layer equipment data consists of entity equipment data and virtual network data; the equipment data of the entity bottom layer comprises sensor data, motor data, key data and switch data; the virtual network data includes voice data, video data, and text data.
3. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 2, wherein: the industrial internet gateway is connected with the bottom layer equipment through an I/O interface and a multi-type conversion protocol.
4. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 3, wherein: the I/O interface specifically comprises AI, AO, DI and DO; the multi-type conversion protocol specifically comprises mutual conversion of Ethernet and CAN interfaces, mutual conversion of Ethernet and RS485/232 interfaces, mutual conversion of RS485/232 and CAN interfaces, conversion of MODbus TCP to MODbus unidirectional half-duplex, and conversion of MODbus TCP to CANopen unidirectional half-duplex.
5. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 1, wherein: the HMI interface includes a monitor display interface and a simulation data interface.
6. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 1, wherein: the actuator is a control mechanism which is composed of a single chip microcomputer and a PLC.
7. The industrial internet bidirectional simulation mapping practical training system according to claim 5, characterized in that:
the industrial internet gateway collects data of bottom equipment and transmits the data of the bottom equipment to the monitoring display interface for real-time display;
and feeding back the calculation result to the simulation data interface, and generating a control decision at the simulation data interface.
8. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 1, wherein: the industrial internet gateway and the HMI interface are connected with a centralized management platform through a network, wherein the network comprises WIFI, 4G, RJ45 and 5G.
9. The industrial internet bidirectional simulation mapping practical training system as claimed in claim 1, wherein: the centralized management platform can also generate a control decision according to the calculation result, and sends the control decision to the internet gateway through the network and returns the control decision to the bottom layer equipment.
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| CN202011034230.1A CN112289107A (en) | 2020-09-27 | 2020-09-27 | Industrial Internet bidirectional simulation mapping training system |
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| CN202011034230.1A CN112289107A (en) | 2020-09-27 | 2020-09-27 | Industrial Internet bidirectional simulation mapping training system |
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