CN110221567B - Intelligent management and control system based on 5G internet of things technology - Google Patents
Intelligent management and control system based on 5G internet of things technology Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The technical scheme adopted by the invention is as follows: an intelligent management and control system based on a 5G internet of things technology is characterized by comprising a 5G intelligent instrument, a 5G intelligent control device, a 5G wireless access and transmission network, a mobile edge computing center and a group big data analysis and artificial intelligence application center. The invention aims to overcome the defects of the prior art and provides an intelligent management and control system based on the 5G Internet of things technology, which realizes the refined operation, the refined equipment management, the predictive maintenance, the control strategy optimization and the data interconnection and intercommunication of equipment by carrying out the big data analysis and the artificial intelligence application on mass data through a management and control platform to form the whole intelligent control ecosystem.
Description
Technical Field
The invention relates to the technical field of industrial control of intelligent manufacturing, intelligent factories, intelligent power plants and the like, in particular to an intelligent management and control system based on a 5G internet of things technology.
Background
The DCS is a multi-level Computer system composed of a process Control level and a process monitoring level and using a Communication network as a link, and integrates 4C technologies such as a Computer (Computer), a Communication (Communication), a display (CRT), and a Control (Control). The process control station of DCS is a complete computer system, mainly comprising power supply, DPU (process control station), network interface and input/output (I/O) card, the state signal of bottom layer local control equipment is connected into I/O card by means of hard wire or communication, and the control strategy formed by completing operation and logic analysis by DPU is passed through I/O card, and hard wire or communication and transferred into field equipment so as to form control of local equipment. And meanwhile, the results of operation and logic analysis completed by the DPU are displayed on an operator station through a human interface, so that monitoring parameters are provided for operators.
The mode of monitoring the field equipment by the PLC and the FCS is the same as that of the DCS, the state signal of the bottom layer local control equipment is accessed to an I/O card of the DCS through hard wiring or communication, a control strategy formed by finishing operation and logic analysis through the controller is transmitted to the field equipment through the DCSI/O card through hard wiring or communication, and the control of the local equipment is formed. And meanwhile, the results of operation and logic analysis completed by the controller are displayed on an operator station through a human interface, so that monitoring parameters are provided for operators. Conventional control system construction needs to build special control networks with control system as the core such as conventional DCS, PLC, FCS, need a large amount of control cables and control cable construction cost, whole control system is the confined private network simultaneously, deployment and extension are difficult, especially the arrival of intelligence thing networking era, controlgear increases with explosion formula speed, equipment monitoring information data is the magnanimity mode of growth, adopt artificial intelligence technique to carry out the analysis to equipment operation data and form control strategy optimization and promote equipment efficiency and have begun to use, traditional closed control system has more and more unsatisfied the demand in industrial control fields such as present intelligent manufacturing, intelligent factory, intelligent power plant.
There are four data bottleneck problems in conventional control systems: (1) the bottleneck that the control system has too many bottom layer instruments and control equipment interfaces and protocols, the equipment is incompatible, and the control and management platform is difficult to unify. (2) Data transmission bandwidth and transmission rate limit cause data cleaning in the data transmission process, and a large amount of equipment operation and maintenance information cannot break through the bottleneck of data gravity. (3) The control and management platform is based on the defect of insufficient data mining capability of a closed system, and the data is difficult to find the bottleneck of a profit mode. (4) After the limitation of data transmission bandwidth and transmission rate is broken through, a large amount of data oceans cannot analyze big data, and the combination of big data analysis and artificial intelligence is not tight, so that the bottleneck of intelligent decision and predictive maintenance is difficult to form.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent management and control system based on the 5G internet of things technology, which realizes the fine operation, fine equipment management, predictive maintenance, control strategy optimization and data interconnection and intercommunication of equipment by carrying out large data analysis and artificial intelligence application on mass data through a management and control platform to form a whole control ecosystem.
The technical scheme adopted by the invention is as follows: an intelligent management and control system based on a 5G internet of things technology is characterized by comprising a 5G intelligent instrument, a 5G intelligent control device, a 5G wireless access and transmission network, a mobile edge computing center and a group big data analysis and artificial intelligence application center;
the 5G intelligent instrument is used for collecting the body and the measurement information and sending the body and the measurement information to the 5G wireless access and transmission network in real time;
the 5G intelligent control equipment is used for acquiring the body information, transmitting the body information to the 5G wireless access and transmission network in real time, receiving the control information and changing the control state of the equipment according to the control information;
the 5G wireless access and transmission network is used for realizing the connection, access safety management, data acquisition and control instruction transparent transmission of the 5G intelligent instrument and the 5G control equipment with the 5G network; the management of 5G network resources, network slice differentiation service, wireless resource dynamic allocation and wireless bearing control are realized to ensure that data acquisition and control instructions are transmitted in place within a specified time delay;
the mobile edge computing center consists of a control module and a management module;
the group big data analysis and artificial intelligence application center is used for data acquisition of a plurality of mobile edge centers of projects of the whole group, carrying out big data analysis and artificial intelligence application on the data and guiding the production and operation optimization of the projects of the whole group.
In the technical scheme, in order to guarantee the time delay requirement of the intelligent management and control system, a 5G chip and a communication control module (the device encodes and transmits control and management data in memories of the 5G intelligent instrument and control device body according to the requirement of a 5G communication protocol) are integrally designed with the 5G intelligent instrument and control device, full IP access is achieved, A/D and D/A conversion time is avoided, 5G signals are automatically monitored, automatic registration is achieved, an optimal transmission link is automatically selected, and the device has running state information of network disconnection, signal disconnection, power disconnection and the like, so that the intelligent management and control system is safe and reliable, the 5G intelligent instrument and control device have two 5G frequency band data transmission capacities, and when the working frequency band receives interference, the device is seamlessly switched to a standby frequency band to work; each 5G intelligent instrument and each 5G intelligent control device have globally unique device identification codes, and a unified data register data storage format and a transmission protocol are adopted.
In the technical scheme, the 5G intelligent instrument is used for collecting technological parameters and storing collected information in a data collecting area of a body register; acquiring manufacturer information, maintenance information and a body running state of the 5G intelligent instrument, and storing the acquired information in a management data area of a body register; meanwhile, the collected data and the management data are sent to a 5G wireless access and transmission network in real time; and transmitting the collected data and the management data to a 5G wireless access and transmission network in real time.
In the technical scheme, the 5G intelligent control equipment is used for collecting the running state parameters of the intelligent control equipment and storing the collected information in a collected data area of the body register; processing the control information sent by the intelligent control system, storing the control information in a control data area of a body register, changing the control state of control equipment and realizing the change of process parameters; acquiring information such as manufacturer information, maintenance information, body running state and the like of the intelligent control equipment, and storing the acquired information in a management data area of an instrument register; and transmitting the acquired data and the management data to the 5G wireless access and transmission network in real time, and receiving the control data transmitted by the 5G wireless access and transmission network in real time.
In the above technical solution, the 5G wireless transmission and access network is composed of a 5G antenna array access unit and a 5G transmission unit; the 5G antenna array access unit module realizes the connection, access safety management, data acquisition and transparent transmission of control instructions of 5G intelligent instruments and control equipment in a factory with a 5G network; the 5G transmission unit module realizes management of 5G network resources, network slice differentiation service, dynamic allocation of wireless resources and wireless bearing control to ensure that data acquisition and control instructions are transmitted in place within a specified time delay; the 5G antenna array access unit and the 5G transmission unit have two 5G frequency band working capacities, when the working frequency band receives interference, the working frequency band is seamlessly switched to a standby frequency band to work, meanwhile, the wireless transmission and access network is configured according to the number and distribution of field 5G intelligent instruments and control equipment, the wireless transmission and access network can be mutually standby in a 5G signal coverage range, and at least one wireless link is ensured to carry out data transmission; 5G wireless transmission and access network converges 5G data to 5G data bus for edge computing center to monitor and manage data; the 5G wireless transmission and access network can use a 5G operator public network or an enterprise self-established 5G private network.
In the technical scheme, the control module of the mobile edge computing center comprises a wireless resource and link management module, a production process monitoring module, a data processing and storage module, a production information safety protection module, a control man-machine interface module and a corresponding man-machine interface, so that the real-time monitoring of the production process, the management and the allocation of wireless resources, the display and the management of alarm information and the processing and the storage of control data, the safety protection of production information and the like are realized through the man-machine interface; and meanwhile, a safety protection module is arranged in the control module.
In the technical scheme, the mobile edge computing center management module comprises a management information safety protection module, a management data processing and storing module, a production management module, an energy management module, an asset management module, a data analysis and optimization module, a management man-machine interface module, a corresponding man-machine interface and an information publishing module, production and management data communication is achieved, a production operation state, energy management and asset management are mastered in real time through the man-machine interface, management data are stored in a database, an operation optimization suggestion is provided through data analysis and modeling, and a logic configuration priority scheme and a whole plant control and management optimization scheme are controlled to be used for a management layer to make decisions.
In the technical scheme, the process of establishing the data uploading and downloading link between the 5G intelligent instrument and control equipment and the mobile edge computing center control module comprises the following steps:
(1) when the 5G intelligent instrument and the intelligent control equipment are powered on and started, automatically searching 5G network signals in an area range, and after searching the 5G wireless access and transmission network with the strongest signal in the range, sending a random access application to the 5G wireless access and transmission network;
(2) after automatically monitoring the access application of the 5G intelligent instrument and the intelligent control equipment, the 5G wireless access and transmission network agrees to access the 5G intelligent instrument and the intelligent control equipment, requires the 5G intelligent instrument and the intelligent control equipment to finish second-step link registration within specified time delay, needs to provide information such as equipment types during link, and waits for second-step link requests of the 5G intelligent instrument and the 5G intelligent control equipment;
(3) after receiving the second link request, the 5G intelligent instrument and the 5G intelligent control equipment prepare related data and initiate a second link request for registration;
(4) after automatically monitoring the second-step link request and the attached related equipment data of the 5G intelligent instrument and the 5G intelligent control equipment by the 5G wireless access and transmission network, sending the related equipment data to the wireless resource and link management module, automatically judging the network transmission configuration parameter range of the 5G intelligent instrument and the 5G intelligent control equipment by the wireless resource and link management module according to the equipment information and parameters such as the previous two-step access and transmission time delay, and sending the parameters to the data processing and storage module for confirmation; the 5G intelligent instrument and the 5G intelligent control equipment are required to complete the third step of link registration within the specified time delay, parameter information such as the size of equipment register data is required to be provided during the link, and a third step link request of the 5G intelligent instrument and the 5G intelligent control equipment is waited;
(5) after receiving the third link request, the 5G intelligent instrument and the 5G intelligent control equipment prepare related data and initiate a third link request for registration;
(6) after automatically monitoring a third-step link request and attached related equipment data of the 5G intelligent instrument and the 5G intelligent control equipment by the 5G wireless access and transmission network, sending the related equipment data to the data processing and storage module, comparing a received receipt with the data sent by the wireless resource and link management module after calculation by the data processing and storage module, taking the optimal parameters of the two as configuration parameters of the 5G intelligent instrument and the 5G intelligent control equipment, generating a unique core authentication code and related configuration parameters of the whole factory, taking the unique core authentication code and related configuration parameters as identity authentication and parameter configuration files of the 5G intelligent instrument and the 5G intelligent control equipment, and sending the identity authentication and parameter configuration files to the 5G intelligent instrument and the 5G intelligent control equipment;
(7) and after the 5G intelligent instrument and the 5G intelligent control equipment receive the core authentication code and the relevant configuration parameters, immediately updating the equipment configuration, and linking with a 5G wireless access and transmission network according to the configuration to prepare for next transmission.
(8) And the 5G intelligent instrument and the 5G intelligent control equipment send configuration modification completion.
(9) And the edge computing center control module receives the confirmation signals sent by the 5G intelligent instrument and the 5G intelligent control equipment, and the reliable data uploading and downloading links of the edge computing center control module, the 5G intelligent instrument and the 5G intelligent control equipment are established.
In the above technical solution, the processing process of the real-time data of the 5G intelligent instrument and the intelligent control device includes the following steps:
1) after the establishment of the uploading and downloading links between the 5G intelligent instrument and the intelligent control equipment and the mobile edge computing center module is completed, the intelligent management and control system establishes a unique core authentication code of the equipment to be identified in the intelligent management and control system; the mobile edge center control module can read equipment operation and management data stored in memories such as a data acquisition region, a control data region, a management data region and the like from a 5G intelligent instrument and an intelligent control equipment register in real time according to a unique core authentication code of the equipment;
2) the data processing and storage module divides the 5G intelligent instrument and the intelligent control equipment into different control logic subgroups according to the production participation function of the 5G intelligent instrument and the intelligent control equipment, wherein the 5G intelligent instrument and the intelligent control equipment in the control logic subgroups are determined according to the scale requirement of a production system; meanwhile, a core authentication code which takes the unique equipment as an index is established for each logic subgroup, and a unique register is distributed for the acquired data and the control data of each 5G intelligent instrument and the intelligent control equipment;
3) the data processing and storing module configures a logic database corresponding to each 5G intelligent instrument and intelligent control equipment in the corresponding control logic subgroup, configures a storage unit corresponding to the data of the control logic subgroup register, and stores the data in the register in the storage unit corresponding to the logic database; the control logic subgroup and the logic database are virtual parts which are dynamically distributed in the mobile edge center data processing and storing module according to the production process and the operation requirement, and after the logic operation and the data storage are virtualized, a large-scale computing center and a large-scale database are configured according to the requirement;
4) the data processing and storing module of the management data area establishes a non-logical database which takes a unique core authentication code of the equipment as an index, and directly stores the data of the management data area into the non-logical database; the non-logical databases are virtual parts which are dynamically allocated in the mobile edge center data processing and storing module according to the production process and the operation requirement, and after the data storage of the non-logical databases is virtualized, the large-scale computing center and the large-scale database are respectively configured according to the data function;
5) after the data processing and storage module sets the control logic subgroup and the corresponding logic database according to the process control requirement, the wireless resource and link management module slicing function is called to set equipment required by operation and production in the control logic subgroup in the same logic slice;
6) after the initial configuration of the data processing and storage module is completed, the modules of the mobile edge computing center work and work cooperatively to monitor the production process as follows:
a) the data processing and storing module reads data of a data area register acquired by the 5G intelligent instrument equipment in real time, stores the data in the logic subgroup register and the logic database data storage unit, performs logic judgment on the data in the control logic subgroup register, and writes a logic judgment value into a control data register of the logic subgroup 5G intelligent control equipment and the corresponding logic database data storage unit;
b) the data processing and storage module calls a 5G wireless access and transmission network, control data of the 5G intelligent control equipment in the logic subgroup register are transmitted to a register of the 5G intelligent control equipment, and the 5G intelligent control equipment adjusts the control state of the equipment according to the content of the control data in the register;
c) the production process monitoring module reads the data in the logic subgroup register in real time and reflects the data on a human-computer interface in real time through controlling the human-computer interface module for monitoring by an operator; the operator can also manually modify the logic subgroup register data in the production process monitoring module through the human-computer interface and the human-computer interface module.
In the above technical solution, the workflow of the mobile edge computing center management module includes the following steps:
(1) all the 5G intelligent instruments and the control equipment adopt a unified data structure, the data of the 5G intelligent instruments and the control equipment are respectively stored in a data acquisition area, a control data area and a management data area, the three data are transmitted to a mobile edge computing center control module in real time through a 5G wireless access and transmission network, a unique non-logical database storage unit is allocated to the management data area of each 5G intelligent instrument and the control equipment, and the management data areas of all the intelligent equipment are stored in a non-logical database according to logical slices;
(2) the logic database in the data processing and storing module and the 5G intelligent instrument and control equipment information stored in the non-logic database are isolated by the production information safety protection module and then transmitted to the intelligent management and control system management area;
(3) after the information of the 5G intelligent instrument and the control intelligent equipment enters a management area, the information is isolated by the management information safety protection module and is mirrored, and then the information enters a management data processing and storing module;
(4) the production management module inputs production management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and masters the production operation state in real time;
(5) the energy management module inputs energy management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and the energy consumption condition of the whole plant is mastered in real time;
(6) the asset management module inputs asset management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and masters the asset management condition of the whole plant in real time;
(7) the data analysis and optimization module carries out data analysis and modeling on the whole plant management and control data in the management data processing and storage module, provides optimization suggestions of whole plant management such as production management, energy management, asset management and the like, and provides suggestions for production and management for decision making of a management layer
The invention has the beneficial effects that: the invention applies the 5G Internet of things technology to various types of factory control and management. The 5G intelligent instrument and the 5G intelligent equipment are used, so that the possibility of unifying data acquisition interfaces appears, and the state information and the control information of factory operation are transmitted or received through a 5G wireless access and transmission network, so that a data sea provided by vertical data transmission provides reliable guarantee for data mining and artificial intelligence application. The division and function setting of the control module and the management module of the mobile edge computing center are convenient for the invention to be applied to factory control and factory management, and meanwhile, the data in the same platform ensures the uniformity and real-time of the management and control data, thereby creating favorable conditions for intelligent data analysis. The control module and the management module are definite in labor division, the general computer server and the database server are adopted, and the configuration is performed in a virtual mode according to the logic slices, so that the computing process of the mobile edge computing center is more convenient and faster, the expansion is more convenient and faster, and the system applicability and the applicability are stronger.
According to the invention, the 5G intelligent instrument and the intelligent control equipment are adopted at the bottom layer, the management and control system with a conventional three-layer structure is simplified into a management and control system with a two-layer structure by adopting the universal computing server and the database through 5G network access and an application layer, the bottom layer information is collected more quickly and more, the real marine data support is provided for big data analysis, and the basis is provided for artificial intelligence and control optimization. The cost of special control hardware and software such as conventional DCS, PLC, FCS and the like is saved, and the cost of computer cables from bottom equipment to a management and control system and the corresponding construction cost are saved; the problem of four data bottlenecks in a traditional control system is solved, and the intelligent management and control system in the real sense is realized.
Drawings
Fig. 1 is a schematic diagram of an architecture and functions of an intelligent management and control system based on a 5G internet of things technology according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of access and authentication of a control system according to an embodiment of the present invention.
FIG. 3 is a functional diagram of a mobile edge computing center control module according to an embodiment of the present invention
FIG. 4 is a schematic diagram of a real-time data structure of a management and control system according to an embodiment of the present invention
FIG. 5 is a schematic diagram illustrating separation of management and control data of network slicing according to an embodiment of the present invention
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention thereto, so as to clearly understand the invention.
As shown in fig. 1, the intelligent management and control system architecture of the invention conforms to the four-layer architecture principle of the internet of things.
The intelligent management and control system field perception layer equipment based on the 5G internet of things technology comprises a 5G intelligent instrument 101, a 5G intelligent control device 102, a 5G protocol converter 103 is added for considering data transmission of traditional wired equipment through a 5G network, and the perception layer equipment is arranged in groups according to the functions or regional distribution of a process system in the implementation of an actual factory control system so as to realize monitoring of characteristic process system flows and production lines. The 5G smart meter may be a factory customized 5G-capable pressure transmitter, flow transmitter, etc., and this example is not limited. Similarly, the 5G intelligent control device may be a factory-made electric control valve, a pneumatic control device, a frequency converter, or other control devices, which is not limited in this example.
The intelligent management and control system network layer based on the 5G internet of things technology refers to a 5G wireless access and transmission network 2, network equipment is grouped and arranged according to the functions or regional distribution of a process system in the implementation of an actual factory control system, only three groups are drawn in the schematic diagram, and the actual management and control system can be expanded according to the scale and the distribution of actual local sensing layer equipment. The 5G wireless transmission and access network is a 5G private network established by a 5G operator for a factory, and may be a 5G outdoor macro base station, an indoor micro base station, and the like, which is not limited in this example.
The intelligent management and control system monitoring layer based on the 5G internet of things technology is functional software and hardware, a human-computer interface, a control algorithm, a control strategy, a real-time database, storage equipment and the like for realizing the mobile edge computing center control module. In the actual implementation of the plant control system, a sequence control logic diagram (SCS) is compiled according to the start-stop sequence of each device on a process system or a production line, and an analog quantity control logic diagram (MCS) is compiled for the devices which change process parameters and production capacity on the process system or the production line, and the control logic diagrams are combined with a process instrument control system diagram (P & ID diagram) or a production process instrument control system diagram (P & ID diagram) and are realized in a production process monitoring module sequence 302 of an edge computing center through a human-computer interface and configuration software on the human-computer interface, so that a monitoring person can master the running state of the devices on the process system or the production line in real time and adjust the running of the devices according to field data in real time.
The management layer of the intelligent management and control system based on the 5G internet of things technology is functional software and hardware, a human-computer interface and a human-computer interface for realizing a mobile edge computing center management module, production management, energy management, asset management, big data analysis and optimization algorithm, management database and storage equipment and the like based on a management data platform.
Assuming that the hardware and software devices in fig. 1 are installed and debugged, the present invention will be further described with reference to the following detailed drawings in order to make the technical means, creation features, achievement objectives and effects of the present invention easy to understand.
By taking a schematic diagram of control system access and identity verification in fig. 2 as an example, how a 5G intelligent instrument and control device in the embodiment of the present invention utilizes a 5G network access control system to establish a data upload and download link between the intelligent instrument and control device and an edge computing center control module is explained.
(1) When the 5G intelligent control device 102 shown in the figure is powered on, 5G network signals in the area range are automatically searched, and after the 5G wireless access and transmission network 2 with the strongest signal in the range is searched, a random access application is sent to the 5G wireless access and transmission network 2.
(2) After the 5G wireless access and transmission network 2 automatically monitors the access application of the 5G intelligent control device 102, it agrees to the access of the 5G intelligent control device 102, and requires the 5G intelligent control device 102 to complete the second step of link registration within a specified time delay, and when the link is completed, it needs to provide information such as device type, and waits for the second step of link request of the 5G intelligent control device 102.
(3) After receiving the second link request, the 5G intelligent control device 102 prepares the relevant data and initiates a second link registration request.
(4) After automatically monitoring the second-step link request and the attached related device data of the 5G intelligent control device 102, the 5G wireless access and transmission network 2 sends the related device data to the wireless resource and link management module 301, and the wireless resource and link management module 301 automatically determines the network transmission configuration parameter range of the 5G intelligent control device 102 according to the device information and the parameters such as the previous two-step access and transmission delay, and sends the parameters to the data processing and storage module 302 for confirmation. And the 5G intelligent control device 102 is required to complete the third step of link registration within a specified time delay, and parameter information such as the size of device register data needs to be provided during link, and a third step of link request of the 5G intelligent control device 102 is waited.
(5) After receiving the third link request, the 5G intelligent control device 102 prepares related data and initiates a third link request for registration.
(6) After automatically monitoring the third-step link request of the 5G intelligent control device 102 and the attached related device data, the 5G wireless access and transmission network 2 sends the related device data to the data processing and storage module 303, the data processing and storage module 303 compares the received receipt with the data sent by the wireless resource and link management module 301 after calculation, takes the optimal parameters of the two as the configuration parameters of the final 5G intelligent control device 102, generates a unique core authentication code and related configuration parameters of the whole plant, and sends the core authentication code and related configuration parameters as the identity authentication and parameter configuration file of the 5G intelligent control device 102 to the 5G intelligent control device 102.
(7) After receiving the "core authentication code" and the relevant configuration parameters, the 5G intelligent control device 102 immediately updates the configuration of the device, and links with the 5G wireless access and transmission network 2 according to the configuration to prepare for the next transmission.
(8) The 5G smart control device 102 sends a configuration modification completion.
(9) The mobile edge computing center control module 30 receives the confirmation signal sent by the 5G intelligent control device 102, and the reliable data upload and download link establishment between the mobile edge computing center control module 30 and the 5G intelligent control device 102 is completed.
After the 5G intelligent instrument and the intelligent control equipment in the controlled range are accessed and authenticated according to the flow and the link with the control system is successfully established, the management and control system can virtualize the whole operation capacity and storage capacity by means of strong data logic operation capacity, data storage capacity and operation virtualization of the edge computing center control module, and the initialization and real-time data processing of the management and control system are realized according to the parameters of the on-site 5G intelligent instrument and the intelligent control equipment, so that the production process is monitored. By taking the function of the edge computing center control module in fig. 3 and the real-time data structure diagram of the management and control system in fig. 4 as an example, how the management and control system of the present invention utilizes the real-time data of the 5G intelligent device to realize the monitoring of the process parameters, the analysis of the control logic, and the issuing of the control logic, thereby realizing the monitoring of the production process and the storage of the real-time data.
1) As mentioned above, after the connection is established between the in-situ intelligent instrument and the intelligent control device and the edge computing center module 30 of the management and control system, the management and control system establishes the unique core authentication code of the device to be identified in the management and control system; the edge center control module can read the equipment operation and management data stored in the internal memories such as the data acquisition area, the control data area, the management data area and the like from the intelligent equipment register in real time according to the unique core authentication code of the equipment.
2) The data processing and storing module 303 divides the smart meters and the smart control devices into different control logic subgroups (such as a control subgroup of a water pump, a belt transmission subgroup, etc.) according to the production participation of the smart meters and the smart control devices in the smart production line or the smart factory, wherein the 5G smart meters and the smart control devices in the control subgroups are determined according to the scale requirement of the production system, which is not limited in this embodiment. Meanwhile, a core authentication code which is unique to the equipment is established for each logic subgroup as an index, and a unique register is distributed for the acquired data and the control data of each intelligent equipment.
3) The data processing and storing module 30 configures a one-to-one corresponding logic database for the corresponding control logic subset, configures a one-to-one corresponding storage unit for the data of the logic subset register, and stores the data in the registers in the storage unit corresponding to the logic database. The logic subgroup and the logic database are virtual parts which are dynamically allocated according to production process and operation requirements in the edge center data processing and storing module 303, and after the logic operation and data storage are virtualized, a large-scale computing center and a large-scale database are configured according to requirements, so that the operation and query time is saved.
4) Because the device management data does not participate in the production process control, the data processing and storing module 303 of the management data area establishes a non-logical database using the unique core authentication code of the device as an index, and directly stores the data of the management data area into the non-logical database. Similarly, the non-logical databases are virtual parts dynamically allocated in the edge center data processing and storing module 303 according to the production process and the operation requirement, and after the data storage of the non-logical databases is virtualized, the large-scale computing center and the large-scale database are respectively configured according to the data function, so that the separation of the equipment management data and the control data is realized.
5) After the data processing and storing module 303 sets the logic subset and the corresponding logic storage database according to the process control requirement, the wireless resource and link management module 303 is called to perform a slicing function to set the equipment required for operation and production in the logic subset in the same logic slice. Therefore, the data uniformity and the real-time performance of the data storage units in the field intelligent device register, the logic subgroup register and the logic database are ensured, and the real-time performance of the management and control system is ensured.
6) After the initial configuration of the data processing and storage module 303 is completed, taking as an example that the 5G intelligent instrument device 1 (core authentication code 1) and the 5G intelligent control device 2 (core authentication code 2) in the management and control system complete the single-loop closed-loop control logic subset, it is briefly described that the monitoring process of the cooperative work of each module of the edge computing center is as follows:
a) the data processing and storing module 303 reads data of a data area register acquired by the 5G intelligent instrument device 1 (core authentication code 1) in real time, and stores the data in a logic subgroup register and a logic database data storage unit, and performs logic judgment on the data in the logic subgroup register (e.g., whether the data is in an overrun state, whether the operating state of the 5G intelligent control device 2 (core authentication code 2) needs to be adjusted, and the like, the logic judgment is according to the production and operation requirements, and the embodiment is not limited), and writes a logic judgment value into a control data register of the logic subgroup 5G intelligent control device 2 (core authentication code 2) and a corresponding logic database data storage unit.
b) The data processing and storing module 303 calls the 5G wireless access and transmission network 2, and transmits the control data of the 5G intelligent control device 2 (core authentication code 2) in the logic subgroup register to the local 5G intelligent control device 2 register, and the local device adjusts the device control state according to the control data content in the register.
c) The production process monitoring module 302 reads the data in the logic subgroup register in real time and reflects the data on the human-machine interface in real time through the control human-machine interface module 305 for monitoring by an operator. The operator can also manually modify the data of the logic subgroup register in the production process monitoring module 302 through the human-machine interface and human-machine interface module 305, thereby achieving the purpose of manual control.
The working process of the edge computing center control module is described above by taking single-loop closed-loop control as an example.
In the following, a schematic diagram of implementing separation of control data by using a 5G network slice in fig. 5 is taken as an example to explain how to implement a work flow of the edge computing center management module of the present invention, and finally achieve the function of implementing an integrated control data platform by combining the control data separation and the edge computing center control and management module.
(1) The data of the intelligent control instruments and the data of the control equipment are respectively stored in a data acquisition area, a control data area and a management data area by adopting a unified data structure, the three data are transmitted to a mobile edge computing center control module in real time through a 5G access computer transmission network, a unique non-logical database storage unit is allocated for the management data area of each intelligent equipment, and the management data areas of all the intelligent equipment are stored in the non-logical database according to logical slices.
(2) The intelligent device information stored in the logical database and the non-logical database in the data processing and storing module 303 is isolated by the production information security protection module 304 and then transmitted to the control system management area.
(3) After entering the management area, the smart device information enters the management data processing and storing module 312 after being isolated and mirrored by the management information security protection module 311, so that the data in the management data processing and storing module 312 is ensured to include the data in the data processing and storing module 303, and meanwhile, the separation of management and control data is ensured.
(4) The production management module 313 can enter production management information into a management database through the management data processing and storing module 312 via the management man-machine interface module 317 and a corresponding man-machine interface, and can also grasp production operation states (such as production efficiency loss, production personnel allocation, production plan execution conditions, etc.) in real time via the management data processing and storing module 312.
(5) The energy management module 314 can enter the energy management information into the management database through the management data processing and storing module 312 through the management man-machine interface module 317 and the corresponding man-machine interface, and can also grasp the energy consumption condition (such as energy consumption monitoring, energy consumption early warning, energy consumption benchmarking, etc.) of the whole plant in real time through the management data processing and storing module 312.
(6) The asset management module 315 may enter asset management information into a management database through the management data processing and storing module 312 via the management human-machine interface module 317 and a corresponding human-machine interface, and may also master asset management conditions (equipment predictive maintenance, asset and equipment ledger, spare part management, etc.) of the whole plant in real time via the management data processing and storing module 312.
(7) The data analysis and optimization module 316 performs data analysis and modeling on the plant management and control data in the management data processing and storage module 312, provides optimization suggestions for plant management such as production management, energy management, asset management, and the like, and provides suggestions for production and management for management layer decision making.
(8) The information of the whole plant is developed and applied APP through the information publishing module 318 according to the requirements of management personnel, the management data of the whole plant in the management data processing and storing module 312 are combed and published, and the management personnel can master the running and management dynamic information of the whole plant in real time through the mobile phone APP.
The management modules in the steps 4-8 are developed secondarily based on the data in the management data processing and storing module 312, are functions required by the intelligent management and control integrated platform, and can be expanded according to the requirements of an intelligent factory.
Through the steps, control and management data in the 5G network are transmitted according to the requirements of the slices and are analyzed and processed in the control and management module in the edge calculation, the through and unification of the whole plant control data are guaranteed, reliable data are provided for big data analysis and optimized operation, the requirements of an intelligent control system are met, and the possibility of expansion is provided for more applications and functions after the data are through.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (9)
1. An intelligent management and control system based on a 5G internet of things technology is characterized by comprising a 5G intelligent instrument, a 5G intelligent control device, a 5G wireless access and transmission network, a mobile edge computing center and a group big data analysis and artificial intelligence application center;
the 5G intelligent instrument is used for collecting the body and the measurement information and sending the body and the measurement information to the 5G wireless access and transmission network in real time;
the 5G intelligent control equipment is used for acquiring the body information, transmitting the body information to the 5G wireless access and transmission network in real time, receiving the control information and changing the control state of the equipment according to the control information;
the 5G wireless access and transmission network is used for realizing the connection, access safety management, data acquisition and control instruction transparent transmission of the 5G intelligent instrument and the 5G control equipment with the 5G network; the management of 5G network resources, network slice differentiation service, wireless resource dynamic allocation and wireless bearing control are realized to ensure that data acquisition and control instructions are transmitted in place within a specified time delay;
the mobile edge computing center consists of a control module and a management module;
the group big data analysis and artificial intelligence application center is used for acquiring data of a plurality of mobile edge centers of projects of the whole group, performing big data analysis and artificial intelligence application on the data and guiding the production and operation optimization of the projects of the whole group;
the process of establishing a data uploading and downloading link between the 5G intelligent instrument and control equipment and the mobile edge computing center control module comprises the following steps:
(1) when the 5G intelligent instrument and the intelligent control equipment are powered on and started, automatically searching 5G network signals in an area range, and after searching the 5G wireless access and transmission network with the strongest signal in the range, sending a random access application to the 5G wireless access and transmission network;
(2) after automatically monitoring the access application of the 5G intelligent instrument and the intelligent control equipment, the 5G wireless access and transmission network agrees to access the 5G intelligent instrument and the intelligent control equipment, requires the 5G intelligent instrument and the intelligent control equipment to finish second-step link registration within specified time delay, needs to provide equipment type information during link, and waits for second-step link requests of the 5G intelligent instrument and the 5G intelligent control equipment;
(3) after receiving the second link request, the 5G intelligent instrument and the 5G intelligent control equipment prepare related data and initiate a second link request for registration;
(4) after automatically monitoring the second-step link request and the attached related equipment data of the 5G intelligent instrument and the 5G intelligent control equipment by the 5G wireless access and transmission network, transmitting the related equipment data to a wireless resource and link management module, automatically judging the network transmission configuration parameter range of the 5G intelligent instrument and the 5G intelligent control equipment by the wireless resource and link management module according to the equipment information and the previous two-step access and transmission delay parameters, and transmitting the parameters to a data processing and storage module for confirmation; the third step of link registration is required to be completed by the 5G intelligent instrument and the 5G intelligent control equipment within the specified time delay, the size parameter information of the equipment register data is required to be provided during the link, and a third step of link request of the 5G intelligent instrument and the 5G intelligent control equipment is waited;
(5) after receiving the third link request, the 5G intelligent instrument and the 5G intelligent control equipment prepare related data and initiate a third link request for registration;
(6) after automatically monitoring a third-step link request and attached related equipment data of the 5G intelligent instrument and the 5G intelligent control equipment by the 5G wireless access and transmission network, sending the related equipment data to the data processing and storage module, comparing a received receipt with the data sent by the wireless resource and link management module after calculation by the data processing and storage module, taking the optimal parameters of the two as configuration parameters of the 5G intelligent instrument and the 5G intelligent control equipment, generating a unique core authentication code and related configuration parameters of the whole factory, taking the unique core authentication code and related configuration parameters as identity authentication and parameter configuration files of the 5G intelligent instrument and the 5G intelligent control equipment, and sending the identity authentication and parameter configuration files to the 5G intelligent instrument and the 5G intelligent control equipment;
(7) after the 5G intelligent instrument and the 5G intelligent control equipment receive the core authentication code and the relevant configuration parameters, the configuration of the equipment is immediately updated, and the equipment is linked with a 5G wireless access and transmission network according to the configuration to prepare for next transmission;
(8) the 5G intelligent instrument and the 5G intelligent control equipment send configuration modification completion;
(9) and the edge computing center control module receives the confirmation signals sent by the 5G intelligent instrument and the 5G intelligent control equipment, and the reliable data uploading and downloading links of the edge computing center control module, the 5G intelligent instrument and the 5G intelligent control equipment are established.
2. The intelligent management and control system based on the 5G internet of things technology according to claim 1, characterized by further comprising a 5G communication control module, wherein the 5G communication control module is used for encoding and sending control and management data in the memories of the 5G intelligent instrument and the control device body according to the requirements of a 5G communication protocol; in order to guarantee the time delay requirement of an intelligent management and control system, the 5G intelligent instrument and the control equipment integrally design a 5G communication control module, the 5G intelligent instrument and the control equipment, have full IP access, avoid A/D and D/A conversion time, automatically monitor 5G signals when the intelligent management and control system is started, automatically register, automatically select an optimal transmission link, have network disconnection, signal disconnection and power-off equipment running state information, and have two 5G frequency band data transmission capacities in order to guarantee the safety and reliability of the intelligent management and control system, and the 5G intelligent instrument and the control equipment are seamlessly switched to a standby frequency band to work when a working frequency band receives interference; each 5G intelligent instrument and each 5G intelligent control device have globally unique device identification codes, and a unified data register data storage format and a transmission protocol are adopted.
3. The intelligent management and control system based on the 5G internet of things technology according to claim 1, wherein the 5G intelligent instrument is used for collecting process parameters and storing collected information in a collected data area of the body register; acquiring manufacturer information, maintenance information and a body running state of the 5G intelligent instrument, and storing the acquired information in a management data area of a body register; meanwhile, the collected data and the management data are sent to a 5G wireless access and transmission network in real time; and transmitting the collected data and the management data to a 5G wireless access and transmission network in real time.
4. The intelligent management and control system based on the 5G internet of things technology according to claim 1, wherein the 5G intelligent control device is used for collecting the operation state parameters of the intelligent control device and storing the collected information in a collected data area of the body register; processing the control information sent by the intelligent control system, storing the control information in a control data area of a body register, changing the control state of control equipment and realizing the change of process parameters; acquiring manufacturer information, maintenance information and body running state information of the intelligent control equipment, and storing the acquired information in a management data area of an instrument register; and transmitting the acquired data and the management data to the 5G wireless access and transmission network in real time, and receiving the control data transmitted by the 5G wireless access and transmission network in real time.
5. The intelligent management and control system based on 5G internet of things technology according to claim 1, wherein the 5G wireless transmission and access network is composed of a 5G antenna array access unit and a 5G transmission unit; the 5G antenna array access unit module realizes the connection, access safety management, data acquisition and transparent transmission of control instructions of 5G intelligent instruments and control equipment in a factory with a 5G network; the 5G transmission unit module realizes management of 5G network resources, network slice differentiation service, dynamic allocation of wireless resources and wireless bearing control to ensure that data acquisition and control instructions are transmitted in place within a specified time delay; the 5G antenna array access unit and the 5G transmission unit have two 5G frequency band working capacities, when the working frequency band receives interference, the working frequency band is seamlessly switched to a standby frequency band to work, meanwhile, the wireless transmission and access network is configured according to the number and distribution of field 5G intelligent instruments and control equipment, the wireless transmission and access network is mutually standby in a 5G signal coverage range, and at least one wireless link is ensured to carry out data transmission; 5G wireless transmission and access network converges 5G data to 5G data bus for edge computing center to monitor and manage data; the 5G wireless transmission and access network uses a 5G operator public network or an enterprise self-established 5G private network.
6. The intelligent management and control system based on the 5G internet of things technology according to claim 1, wherein the control module of the mobile edge computing center comprises a wireless resource and link management module, a production process monitoring module, a data processing and storage module, a production information safety protection module, a control man-machine interface module and a corresponding man-machine interface, so that the production process is monitored in real time through the man-machine interface, the wireless resource is managed and allocated, the alarm information is displayed and managed, and meanwhile, the functions of processing and storing control data and safety protection of production information are realized; and meanwhile, a safety protection module is arranged in the control module.
7. The intelligent management and control system based on the 5G internet of things technology according to claim 1, wherein the mobile edge computing center management module comprises a management information safety protection module, a management data processing and storage module, a production management module, an energy management module, an asset management module, a data analysis and optimization module, a management man-machine interface module, a corresponding man-machine interface and an information publishing module, production and management data communication is achieved, a production operation state, energy management and asset management are mastered in real time through the man-machine interface, management data are stored in a database, an operation optimization suggestion is provided through data analysis and modeling, and a logic configuration priority scheme and a plant control and management optimization scheme are controlled to be used for decision making of a management layer.
8. The intelligent management and control system based on the 5G internet of things technology according to claim 1, wherein the processing process of the real-time data of the 5G intelligent instrument and the intelligent control equipment comprises the following steps:
1) after the establishment of the uploading and downloading links between the 5G intelligent instrument and the intelligent control equipment and the mobile edge computing center module is completed, the intelligent management and control system establishes a unique core authentication code of the equipment to be identified in the intelligent management and control system; the mobile edge center control module can read the equipment operation and management data stored in the memories of the data acquisition area, the control data area and the management data area from the 5G intelligent instrument and the intelligent control equipment register in real time according to the unique core authentication code of the equipment;
2) the data processing and storage module divides the 5G intelligent instrument and the intelligent control equipment into different control logic subgroups according to the production participation function of the 5G intelligent instrument and the intelligent control equipment, wherein the 5G intelligent instrument and the intelligent control equipment in the control logic subgroups are determined according to the scale requirement of a production system; meanwhile, a core authentication code which takes the unique equipment as an index is established for each logic subgroup, and a unique register is distributed for the acquired data and the control data of each 5G intelligent instrument and the intelligent control equipment;
3) the data processing and storing module configures a logic database corresponding to each 5G intelligent instrument and intelligent control equipment in the corresponding control logic subgroup, configures a storage unit corresponding to the data of the control logic subgroup register, and stores the data in the register in the storage unit corresponding to the logic database; the control logic subgroup and the logic database are virtual parts which are dynamically distributed in the mobile edge center data processing and storing module according to the production process and the operation requirement, and after the logic operation and the data storage are virtualized, a large-scale computing center and a large-scale database are configured according to the requirement;
4) the data processing and storing module of the management data area establishes a non-logical database which takes a unique core authentication code of the equipment as an index, and directly stores the data of the management data area into the non-logical database; the non-logical databases are virtual parts which are dynamically allocated in the mobile edge center data processing and storing module according to the production process and the operation requirement, and after the data storage of the non-logical databases is virtualized, the large-scale computing center and the large-scale database are respectively configured according to the data function;
5) after the data processing and storage module sets the control logic subgroup and the corresponding logic database according to the process control requirement, the wireless resource and link management module slicing function is called to set equipment required by operation and production in the control logic subgroup in the same logic slice;
6) after the initial configuration of the data processing and storage module is completed, the modules of the mobile edge computing center work and work cooperatively to monitor the production process as follows:
a) the data processing and storing module reads data of a data area register acquired by the 5G intelligent instrument equipment in real time, stores the data in the logic subgroup register and the logic database data storage unit, performs logic judgment on the data in the control logic subgroup register, and writes a logic judgment value into a control data register of the logic subgroup 5G intelligent control equipment and the corresponding logic database data storage unit;
b) the data processing and storage module calls a 5G wireless access and transmission network, control data of the 5G intelligent control equipment in the logic subgroup register are transmitted to a register of the 5G intelligent control equipment, and the 5G intelligent control equipment adjusts the control state of the equipment according to the content of the control data in the register;
c) the production process monitoring module reads the data in the logic subgroup register in real time and reflects the data on a human-computer interface in real time through controlling the human-computer interface module for monitoring by an operator; and an operator manually modifies the data of the logic subgroup register in the production process monitoring module through the human-computer interface and the human-computer interface module.
9. The intelligent management and control system based on 5G internet of things technology according to claim 8, wherein the workflow of the mobile edge computing center management module comprises the following steps:
(1) all the 5G intelligent instruments and the control equipment adopt a unified data structure, the data of the 5G intelligent instruments and the control equipment are respectively stored in a data acquisition area, a control data area and a management data area, the three data are transmitted to a mobile edge computing center control module in real time through a 5G wireless access and transmission network, a unique non-logical database storage unit is allocated to the management data area of each 5G intelligent instrument and the control equipment, and the management data areas of all the intelligent equipment are stored in a non-logical database according to logical slices;
(2) the logic database in the data processing and storing module and the 5G intelligent instrument and control equipment information stored in the non-logic database are isolated by the production information safety protection module and then transmitted to the intelligent management and control system management area;
(3) after the information of the 5G intelligent instrument and the control intelligent equipment enters a management area, the information is isolated by the management information safety protection module and is mirrored, and then the information enters a management data processing and storing module;
(4) the production management module inputs production management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and masters the production operation state in real time;
(5) the energy management module inputs energy management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and the energy consumption condition of the whole plant is mastered in real time;
(6) the asset management module inputs asset management information into a management database through a management data processing and storing module through a management man-machine interface module and a corresponding man-machine interface, or analyzes and processes the operation information of the whole plant production equipment through the management data processing and storing module, and masters the asset management condition of the whole plant in real time;
(7) the data analysis and optimization module is used for carrying out data analysis and modeling on the whole plant management and control data in the management data processing and storage module, providing optimization suggestions of production management, energy management and asset management whole plant management, and providing suggestions for production and management for decision of a management layer.
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