CN111767031B - Nuclear power industry internet experiment bed based on emulation - Google Patents
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Abstract
The invention relates to the two technical fields of nuclear power station simulator simulation and industrial Internet, in particular to a nuclear power industrial Internet experimental bed based on simulation. The nuclear power industry internet platform comprises: a nuclear power industry internet platform development environment and a nuclear power plant simulator; the nuclear power industry Internet platform development environment comprises a test running environment and a development tool set; the test running environment comprises: the system comprises an edge layer, an infrastructure cloud service layer, a data service layer, a micro service support system, an operation platform layer and a nuclear power application layer. The invention is applied to links such as development, debugging, integration, testing and the like of the nuclear power industrial Internet platform, and can greatly improve the working efficiency and save the cost.
Description
Technical Field
The invention relates to the two technical fields of nuclear power station simulator simulation and industrial Internet, in particular to a nuclear power industrial Internet experimental bed based on simulation.
Background
For a nuclear power generation enterprise, a nuclear power industry internet platform is positioned as a supporting platform of a digital nuclear power plant; the digital nuclear power system is an important gripper for digital transformation, a service system based on mass data acquisition, aggregation and analysis is constructed, and a platform for interconnection, elastic supply and efficient configuration in digital nuclear power is supported. Development and upgrading of a nuclear power industrial Internet platform and support of practical power plant data required by application development of various nuclear powers on the platform.
However, due to the consideration of the management system related to the safety production of the nuclear power plant, debugging and testing of nuclear power equipment of an actual nuclear power plant are not allowed in the software development stage, and the development efficiency and the technical innovation cycle of various software of the nuclear power industrial Internet are severely restricted.
The nuclear power industrial Internet experimental bed is built by using the nuclear power simulation technology, so that the development efficiency of a nuclear power industrial Internet platform and related applications of the nuclear power industrial Internet platform is improved, the debugging period is shortened, the testing workload is reduced, the system is rapidly integrated, and the cost is reduced. The simulation software simulates nuclear power plant equipment and information systems with huge access quantity and various types of nuclear power industry Internet platforms, and is used for verifying each function and performance of the platform and application software.
Meanwhile, with the development of nuclear power simulation technology, various devices and systems of the nuclear power plant are digitally modeled, and various characteristics and logics of the devices, sensors and the process system nuclear power plant can be simulated. RinSim nuclear power simulation platform independently developed by the China-nuclear and Wuhan nuclear power operation technology Co-Ltd is widely applied to operator training of a nuclear power plant. The method is applied to links such as development, debugging, integration, testing and the like of a nuclear power industrial Internet platform, so that the working efficiency can be greatly improved, and the cost can be saved.
Disclosure of Invention
1. The purpose is as follows:
the invention provides an experimental bed of a nuclear power industrial Internet platform based on a nuclear power simulation technology.
The service objects of the experimental bed are as follows:
1) Nuclear power industry internet platform
2) Various nuclear power applications based on SaaS layer development of nuclear power industry Internet platform
The experimental bed can play a role in the preliminary grinding, design and testing of the nuclear power industry internet platform and application thereof.
1) A pre-grinding stage:
before the upgrade of the nuclear power industrial Internet platform module and the development of related application software thereof, the test software can be developed on the experimental bed to study the feasibility of logic, performance and technical bottlenecks.
2) The design stage:
virtual nuclear power plant data and logic of a nuclear power simulator are used to assist in the design of data structures and business logic.
3) Testing:
before the software is connected with the actual power plant equipment on line, a nuclear power simulator is used for simulating working conditions of various nuclear power plants to carry out comprehensive and careful unit and integration test on the software product on an experimental bed, so that the successful formal on-line of the product is ensured.
1) The simulation data can be used for testing the corresponding conditions of software under the working conditions of accidents, faults and the like.
2. The technical scheme is as follows:
the nuclear power industry internet platform includes: a nuclear power industry internet platform development environment and a nuclear power plant simulator; the nuclear power industry Internet platform development environment comprises a test running environment and a development tool set; the test running environment comprises: the system comprises an edge layer, an infrastructure cloud service layer, a data service layer, a micro service support system, an operation platform layer and a nuclear power application layer.
The edge layer: the industrial field equipment, the data resource and the platform of the nuclear power plant are interconnected through the industrial communication protocol adaptation, the protocol conversion assembly and the network communication interface adaptation module, so that the edge calculation and the data access cloud of the industrial field are realized.
The infrastructure cloud service layer: the cloud computing system is a basic resource for realizing cloud computing, and provides calling modes in forms of an API, a console, a command line and the like for the outside, and provides operation environment support, data support and object coupling support for the application on the platform.
The data service layer: the platform data service layer is used as a data center and mainly realizes the functions of data conversion, storage, management, calculation, analysis and the like; and providing big data analysis and decision for nuclear power service.
The micro-service support system and the operation platform layer are as follows: the micro-service support system and the operation platform layer provide an application operation environment.
The nuclear power application SaaS layer comprises: the data access mode of the test bed is completely the same as that of an actual nuclear power industrial internet platform, so that data can be collected from the site according to an industrial site standard communication protocol, and meanwhile, the standard cloud data interaction protocol is used for interacting data with the development environment of the industrial internet platform; deployment, configuration and testing of the operating environment and the simulator data source can be coordinated by using the development tool set.
The nuclear power plant simulator comprises a simulation control module, a nuclear power plant digital model, a real-time database and a simulator data protocol conversion module;
the simulation control module comprises a digital control model of the nuclear power plant, and can realize the initialization of the model, the change of working conditions, the forced data modification, the suspension and the restoration of operation, the fast forward and the slow time operation;
the digital model of the nuclear power plant comprises the steps of 1 for the equipment state, working condition, alarm, fault and process characteristics of the nuclear power plant: 1, a simulated digital model;
the real-time database realizes the cache of interaction data between the simulator and the industrial Internet platform;
analog machine data protocol conversion interface: the data interface is connected with the industrial Internet platform, so that bidirectional communication of data can be realized;
control instruction interface: and receiving a control instruction of the development environment, and feeding back the state of the simulation machine to the development environment.
The development tool set comprises a deployment tool, a test tool, a data source control and a version control; the deployment tool is used for rapidly deploying the tested and verified application software to the testing and running environment and deploying the data required to be related to the DaaS layer; the test tool provides a debugging and state monitoring means of application software during test and verification, and simultaneously supports monitoring and forcing of data on test and running environments; the data source control is used for controlling the nuclear power simulator to realize the initialization and state monitoring of data; the tested software provides version control functions for storing and managing software related codes, execution files, documents and related data and configuration information.
3. The effect is as follows:
(1) Various equipment and system characteristics of the whole nuclear power plant can be simulated;
(2) The system can simulate various normal and accident conditions of a nuclear power plant;
(3) The communication protocol is completely consistent with the nuclear power industry interconnection protocol, and various newly developed software can be directly transplanted to an actual nuclear power industry interconnection platform for operation;
(4) The development environment of the nuclear power industry Internet is consistent with the actual nuclear power industry Internet platform, and the development mode and the interface of the SaaS application are completely consistent with the actual environment.
(5) Enabling a fast development.
Various operating condition data (such as shutdown, reactor fault, etc.) which are difficult to test in an actual nuclear power plant can be simulated.
Drawings
FIG. 1 nuclear power industry Internet platform
FIG. 2 simulation-based nuclear power industry Internet experiment bed module relationship
FIG. 3 Industrial Internet platform application verification flow
Detailed Description
1. Nuclear power industry internet platform
The nuclear power industry internet platform is a product of deep fusion of a new generation of information technology and a modern industry technology, is an important carrier for digitalization, networking and intellectualization in the industry field, builds a full-element perception system in a unified nuclear power data standard system frame, opens up an information island, builds a service platform of nuclear power industry big data, realizes increment and innovation application under perception, transmission, storage, development and artificial intelligence enabling, provides more valuable nuclear power public service for assisting, and provides digital and intelligent information infrastructure and application support for digital nuclear power and intelligent nuclear industry.
The external system is various systems existing in the nuclear power plant, including various devices and information systems which interact with the nuclear power industry Internet platform. For example: valves, pumps, sensors, DCS, SCADA, etc.
For safety reasons, external systems do not allow random access to the nuclear power industry internet. However, the development and testing of software requires the use of data to various nuclear power plants to verify the feasibility and correctness of the software. Thus a simulation-based laboratory bed was designed. The experimental bed is divided into the following functional modules (as shown in fig. 2):
(1) Nuclear power industry internet platform development environment
As shown in fig. 1, the full basic functions of the internet platform IaaS, daaS, paaS, saaS and the edge layer of the nuclear power industry are included. The SaaS application developer user can develop, release and test various SaaS software developed by the SaaS application developer user in the secondary development environment. Maintenance and development engineers of the nuclear power industrial Internet platform can technically reform the nuclear power industrial Internet platform in a development environment. The specific meanings are as follows:
edge layer: the industrial field equipment, the data resource and the platform of the nuclear power plant are interconnected through the industrial communication protocol adaptation, the protocol conversion assembly and the network communication interface adaptation module, so that the edge calculation and the data access cloud of the industrial field are realized.
Infrastructure cloud service layer (IaaS layer): the cloud computing system is a basic resource for realizing cloud computing, and provides calling modes in forms of an API, a console, a command line and the like for the outside, and provides operation environment support, data support and object coupling support for the application on the platform.
Data service layer (DaaS layer): the platform data service layer is used as a data center and mainly realizes the functions of data conversion, storage, management, calculation, analysis and the like. And providing big data analysis and decision for nuclear power service.
Micro service support system and operation platform layer (PaaS layer):
the micro-service support system and the operation platform layer provide an application operation environment, can provide the capabilities of application deployment and release, operation, life cycle management and the like, and can manage and monitor the multi-language operation container.
Nuclear power application SaaS layer: various software specific to nuclear power, such as: nuclear power overhaul management, nuclear power equipment health management and the like.
The data access mode of the test bed is completely the same as that of an actual nuclear power industrial Internet platform, supports data acquisition from site according to industrial site standard communication protocols (Modbus, OPC and the like), and simultaneously uses standard cloud data interaction protocols (Http, MQTTP and the like) to interact data with an industrial Internet platform development environment.
Deployment, configuration and testing of the operating environment and the simulator data source can be coordinated by using the development tool set.
(2) Nuclear power plant simulator
Software packages for simulating various devices of an actual nuclear power plant. Mainly comprises the following parts:
1) Nuclear power simulation control module
The control module is used for controlling the digital model of the nuclear power plant and comprises basic operations such as operation, fast operation, slow operation, freezing and the like of the control model. Meanwhile, the control module can enable the digital model of the nuclear power plant to operate under various working conditions such as full power, start and stop, accidents and the like through reset operation.
2) Digital model of nuclear power plant
1:1 nuclear power plant digital model, and the operation characteristics of various devices and systems of the nuclear power plant are copied in a software simulation mode.
3) Real-time database
And caching state data of the digital model of the nuclear power plant for exchanging with a development environment of the nuclear power industry Internet platform.
4) Data protocol conversion module of analog machine
And acquiring data from the real-time database, and converting the data into standard protocol data such as Modbus, OPC and the like.
2. Nuclear power industry internet platform development environment
The development environment of the nuclear power industrial Internet platform consists of two parts:
(1) Test operating environment:
the system architecture, the basic framework, the development mode, the database technology, the communication protocol, the operation and maintenance mode and the like of the actual nuclear power industry Internet platform are the same as the operation environment. The difference between the two is that:
the test running environment has only the data needed for the application being tested, verified.
Only the application needed in the testing and verifying process is deployed on the testing running environment.
(2) Developing a tool set:
the system can control and coordinate the testing and running environment and the nuclear power plant simulator simultaneously, and is used for achieving the purposes of testing and verifying the nuclear power industrial Internet platform software.
2.1 test, operating Environment
(1) SaaS layer
The SaaS layer is positioned at the uppermost layer of the nuclear power industry Internet platform system structure. The unified portal is provided, the interactive service process of each business application system of the digital nuclear power plant and the user is realized, and the interactive service process is a window for information centralized display of the digital nuclear power plant, so that different functions of each business system are effectively organized. According to the operation business requirement, a unified information service entrance is provided for various users, and the unified information service entrance comprises two modes, namely a WEB portal and a mobile terminal portal.
The unified portal provides an interface-friendly portal with unified style for users, and the service of the nuclear power industry Internet platform is intensively opened to the users of each nuclear power plant. The portal simultaneously supports multiple access channels of the Internet and the mobile Internet, and supports rich access terminals such as computers, mobile phones, tablets and the like.
The system provides a unified user access interface style, a unified portal search function and a unified authentication and authorization system at an application layer, and provides a unified platform development and operation technical system, a unified integration technology and a unified safety protection requirement at a technical layer. The application layer needs to follow the following three aspects:
a) The different inlets of the platform have uniform interface styles and are used for supporting management and access of users through different terminal devices;
b) The platform has a unified searching function and is used for supporting various searching requirements of users, such as structured and unstructured (including documents, graphics, drawings, audio frequency, video screens and the like) data information;
c) The platform has a unified user authentication and authorization technical system, and normalized management user authentication, user authority management, user function management, user resource lease management and the like;
in order to facilitate the function deep and business expansion of the later stage of the platform portal, the method is characterized by comprising the following steps:
a) The platform development and operation technology system of unified platform website application comprises an operating system, an application server, a database, a development language and a development environment, and is suggested to be constructed based on an open source technology system;
b) Technology and security protection requirements in terms of service integration, data integration, message integration, interface integration between unified portal and internal application component services.
(2) PaaS layer
The PaaS platform provides one-stop development, management, test and operation and maintenance services based on the development thought of the container, the microservice and the DevOps. Platform services provide elastic telescoping and service arrangement functions by using a mixed container technology of Docker and Kubernetes which are mainstream in the industry and an open flexible micro-service technology. Providing application publishing, continuous integration, code hosting, service binding, etc. Supporting the rapid release of applications by developers to cloud platform operating environments can provide continuous integration, application runtime environments and rich service support, industry-oriented service governance capabilities, automated operation and maintenance support, multi-language application engine environments (Java, go, PHP, ruby, etc.). Based on the containerization technology, a high-efficiency, stable and elastic service running environment is provided for the application, the traditional application delivery mode is subverted, the flexible and high-efficiency containerization resource management is realized, and the unified scheduling and monitoring of service resources are realized. The software architecture based on the micro-service is provided, so that decoupling and independence among modules can be achieved, the method is more suitable for enterprises with group properties, the service capacity and the development efficiency can be effectively improved, and the software operation cost are reduced.
(3) DaaS layer
Public services such as big data exchange, storage, management, calculation and analysis are provided. The data exchange realizes the exchange and cleaning treatment of the data; the method comprises the steps of supporting a distributed file storage database, a relational storage database, a columnar storage database, a document storage database and the like to realize the storage of structured data, semi-structured data and unstructured data of a nuclear power plant; the big data management tool and the integrated third-party big data management engine are provided, the problems of clustered deployment, service configuration management and service state monitoring display of big data storage and analysis tools are solved, and the difficulty in operation and use of a big data platform is reduced. Such as: and when in installation and deployment, the problem of dependence among big data service components is solved. Including configuration, version, start-up sequence, rights configuration, etc.; the problem of deployment process tracking is solved, and the state, relevant information and the like of each step in the deployment process are displayed; providing services such as offline computation and memory computation of historical data, stream computation and parallel computation of real-time data; and providing a data mining algorithm library for deep mining, and supporting the overall data value-added service of nuclear power. The nuclear power industry has various and massive data types, needs to combine the characteristics of the data mined by an artificial intelligent algorithm to perform analysis such as classification regression, fully utilizes the value of the data in the nuclear power industry, and innovates in nuclear power technology, application mode and business mode. The nuclear power big data application platform can be formed in a unified deployment mode by cooperating with the existing nuclear power station big data platform in the current nuclear power system.
(4) IaaS layer
The IaaS layer platform includes servers, storage, and network infrastructure. The method is the service capability of industrial Internet large-scale distributed storage and cloud computing technology, provides the virtualization service of computing resources, storage resources and network resources, and supports the safe and stable operation of an industrial Internet platform. Based on KVM, openStack, vmware, xen and other standard virtualization technologies, four kinds of open storage, calculation, network, control and other components are provided, wherein the calculation comprises a message queue, network control, volume management, operation and work components and the like, the storage comprises an object storage and block storage component, the network management comprises a virtual network and tenant network component, and the access control comprises an authentication component, a permission component and the like, and the total number of the open storage, the calculation comprises 10.
(5) Edge layer
The resource and capacity integration sharing is taken as a core idea, and the integration and sharing of whole industry cluster equipment resources (auxiliary equipment, nuclear island equipment, monitoring equipment, industrial robots, conventional island equipment and field sensors), system resources (DCS series and SCADA) and service resources (high-performance clusters, engineering design software and management informatization systems) can be realized.
2.1.1 development tool set
(1) Deployment tool
The method is used for rapidly deploying the tested and verified application software to the testing and running environment and deploying the data required to be relevant to the DaaS layer.
(2) Test tool
And debugging and state monitoring means of the application software are provided during testing and verification. While also supporting monitoring and enforcement of data on test, run-time environments.
(3) Data source control
The method is used for controlling the nuclear power simulator and achieving the functions of data initialization, state monitoring and the like.
(4) Version control
Version control function is provided for the tested software, and the version control function is used for storing and managing the relevant codes, execution files, documents, relevant data, configuration and other information of the software.
2.1.2 application software verification, test flow
Before application software on a nuclear power industrial internet platform is deployed on an actual industrial internet, in order to ensure the safety and reliability of the software, the application software can be tested on an experimental bed, and the verification and test flow of the application is shown in fig. 3. The flow is as follows:
1) The development of the application software is completed under the test environment, and the characteristics of functions, interfaces and the like used for the development are completely the same as those of the actual environment.
2) After deployment is completed, the deployment tool of the development tool set can be used to complete the deployment work of the software and the data thereof,
3) According to the test cases, the deployment tool of the development tool set can inform the simulator to prepare corresponding test working condition data.
4) The simulator starts to operate according to a preset working condition and has the function of data interaction with the industrial Internet platform test bed.
5) The program under test starts to run and data interaction with the simulator is started. The data interaction mode and the protocol are consistent with those of an actual nuclear power plant.
6) The application program starts the test, stops the model of the simulator after the test is completed, and terminates the data communication.
2.2 Nuclear Power plant simulator
The nuclear power plant simulator plays a role of an actual nuclear power plant in debugging and testing related software of a nuclear power industry Internet platform. Mainly comprises the following functional modules:
digital model of nuclear power plant: the characteristics of the equipment state, working condition, alarm, fault, flow process and the like of the nuclear power plant are 1: 1.
And the simulation control module: the digital model of the nuclear power plant is controlled, and operations such as initialization, working condition changing, forced data modification, suspension and recovery of operation, fast forward, slow time and the like of the model can be realized.
Control instruction interface: receiving control instructions of the development environment and feeding back the state of the simulation machine to the development environment
Analog machine data protocol conversion interface: and the data interface with the industrial Internet platform can realize the two-way communication of data. The communication protocol completely consistent with the actual nuclear power industrial Internet platform is adopted between the module and the industrial Internet platform, so that the application and data verified by the test bed can be ensured to be directly deployed in the actual production environment.
Real-time database: the cache of interaction data between the simulation machine and the industrial Internet platform is realized.
And the analog machine data conversion module.
2.3 inventive use
Before the relevant software of the nuclear power industrial Internet platform is released, the experimental bed can be used for performing function pre-research, test and verification activities of various software.
Potential safety hazards caused by direct connection of nuclear power equipment can be avoided; the development period of the software can be effectively shortened; various rare but very important working conditions (such as serious accidents, accidental events and the like) of various nuclear power plants can be simulated through a simulation means, so that the application scene and reliability of the related software of the nuclear power industrial Internet platform can be expanded.
Claims (5)
1. A system of a nuclear power industry internet experiment bed based on simulation is characterized in that: the nuclear power industry internet platform includes: a nuclear power industry internet platform development environment and a nuclear power plant simulator; the nuclear power industry Internet platform development environment comprises a test running environment and a development tool set; the test running environment comprises: an edge layer, an infrastructure cloud service layer, a data service layer, a micro service support system and an operation platform layer, and a nuclear power application layer;
the development tool set is used for realizing the deployment, configuration and test of the test running environment and the nuclear power simulator data source in a coordinated manner; the system comprises a deployment tool, a test tool, a data source control and a version control; the deployment tool is used for rapidly deploying the tested and verified application software to the test running environment, deploying the data required to be correlated to the DaaS layer and informing the nuclear power simulator to prepare corresponding test working condition data; the test tool provides a debugging and state monitoring means of application software during test and verification, and simultaneously supports monitoring and forcing of data on a test running environment; the data source control is used for controlling the nuclear power model test running environment to be used for deploying application software required in the test and verification process and data required by the tested and verified application, and comprises the following steps: an edge layer, an infrastructure cloud service layer, a data service layer, a micro service support system and an operation platform layer, and a nuclear power application layer;
the data source control is used for controlling the nuclear power simulator to realize the initialization and state monitoring of data; the tested software provides version control function for storing and managing the related codes, execution files, documents and related data and configuration information of the software;
the nuclear power plant simulator is used for simulating an actual nuclear power plant and comprises a control instruction interface, a simulation control module, a digital model of the nuclear power plant, a real-time database and a simulator data protocol conversion module;
control instruction interface: receiving a control instruction of a development environment, and feeding back the state of the simulator to the development environment;
the simulation control module is used for responding to the control instruction received by the control instruction interface to execute operations to control the digital model of the nuclear power plant to enter corresponding working conditions, wherein the operations comprise operations including operation, fast time operation, slow time operation and freezing of the control model, and the operation of resetting the control instruction interface to enable the digital model of the nuclear power plant to operate under various working conditions such as full power, start and stop and accidents;
the digital model of the nuclear power plant comprises the steps of 1 for the equipment state, working condition, alarm, fault and process characteristics of the nuclear power plant: 1, a simulated digital model; when an application program is deployed in a test running environment to start a test, the digital model of the nuclear power plant under a specified working condition responds to an instruction of the application program and generates corresponding state data;
the real-time database is used for caching state data of the digital model of the nuclear power plant;
the analog machine data protocol conversion interface is connected with the data interface of the industrial Internet platform and is used for acquiring state data from the real-time database, converting the state data into Modbus and OPC standard protocol data and realizing the two-way communication of the data;
the edge layer: the industrial field equipment, the data resource and the platform of the nuclear power plant are interconnected through the industrial communication protocol adaptation, the protocol conversion assembly and the network communication interface adaptation module, so that the edge calculation and the data access cloud of the industrial field are realized.
2. A system of a simulation-based internet laboratory bed for nuclear power industry as claimed in claim 1, wherein: the infrastructure cloud service layer: the cloud computing system is a basic resource for realizing cloud computing, provides calling modes in the forms of an API, a console and a command line, and provides operation environment support, data support and object coupling support for applications on a platform.
3. A system of a simulation-based internet laboratory bed for nuclear power industry as claimed in claim 1, wherein: the data service layer: the platform data service layer is used as a data center to realize the functions of data conversion, storage, management, calculation and analysis; and providing big data analysis and decision for nuclear power service.
4. A system of a simulation-based internet laboratory bed for nuclear power industry as claimed in claim 1, wherein: the micro-service support system and the operation platform layer are as follows: the micro-service support system and the operation platform layer provide an application operation environment.
5. A system of a simulation-based internet laboratory bed for nuclear power industry as claimed in claim 1, wherein: the nuclear power application SaaS layer comprises: the data access mode of the test bed is completely the same as that of an actual nuclear power industrial internet platform, so that data can be collected from the site according to an industrial site standard communication protocol, and meanwhile, the standard cloud data interaction protocol is used for interacting data with the development environment of the industrial internet platform; deployment, configuration and testing of the operating environment and the simulator data source can be coordinated by using the development tool set.
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| CN114553874B (en) * | 2022-02-28 | 2023-04-18 | 北京理工大学 | Hybrid simulation cloud platform and automatic deployment method |
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| CN111240808A (en) * | 2020-04-02 | 2020-06-05 | 中核武汉核电运行技术股份有限公司 | Nuclear power station simulator operation data development and management system |
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