CN117634152A - Nuclear power digital twin construction method and system based on digital flow chart - Google Patents
Nuclear power digital twin construction method and system based on digital flow chart Download PDFInfo
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Abstract
The invention relates to a nuclear power digital twin construction method and a system based on a digital flow chart. The method comprises the following steps: and obtaining a basic flow chart of the nuclear power plant process system, and constructing a digital flow chart according to the basic flow chart. And acquiring production operation element information of the nuclear power plant, and synchronously mapping the production operation element information in a digital flow chart so as to enable the production operation element information to be visually displayed in real time. The invention improves the information integration level in the nuclear power plant operation field based on the digital twin technology, replaces a large amount of manual repetitive labor with data drive, can effectively reduce the load of the operating personnel of the nuclear power plant, reduces the probability of human error and improves the safety performance and the economic level of the nuclear power plant.
Description
Technical Field
The invention relates to the technical field of nuclear power plant simulation and operation and maintenance, in particular to a nuclear power digital twin construction method and a system based on a digital flow chart.
Background
The flow chart is a reference file of a nuclear power plant, and the current nuclear power plant is often stored and used in the form of paper or electronic drawing files. The file driving work is commonly existed in the nuclear power plant operation field, and information data is searched, information is transmitted and work is carried out through drawing files and manual work. The traditional drawing documents have the following defects in use:
1) The information integration level is low. The traditional flow chart can only acquire process flow information, equipment information, operation parameters, experience feedback, real-time operation data and the like need to be acquired from other places, the information access entrance is inconsistent, and a great deal of time and energy are consumed for searching the information.
Further, the following disadvantages also exist:
2) Static and not friendly to use. Only low-efficiency visual browsing is supported, and searching and positioning cannot be performed; drawing jumping cannot be realized; and cannot be integrated with the service system friendly.
3) The intelligent application cannot be supported. In many flow processing occasions, the process scheme diagram is required to be drawn manually, the efficiency is low, and the risk of human error possibly exists; and meanwhile, intelligent application cannot be supported.
Limited by the current situation of the flow chart, the current nuclear power plant performs a large amount of repetitive operation work around the flow chart, such as OCA (sensing-analysis-execution) of operation state configuration management, isolation, on-line and overhaul state management, and the like, mainly depends on manual completion, namely, isolation related operation sheets such as isolation designated values are completely written manually, and isolation boundaries are manually drawn and manually set according to isolation instructions, so that the prevention of people is mainly realized by personnel prevention manual, and the value of digital technology and data is not fully exerted.
Disclosure of Invention
Aiming at the defects that the traditional flow chart is static, the information integration level is low and intelligent application cannot be supported, the invention provides a nuclear power digital twin construction method and a system based on a digital flow chart.
The technical scheme adopted for solving the technical problems is as follows: a nuclear power digital twin construction method based on a digital flow chart comprises the following steps:
acquiring a basic flow chart of a nuclear power plant process system, and constructing a digital flow chart according to the basic flow chart;
and acquiring production operation element information of the nuclear power plant, and synchronously mapping the production operation element information in the digital flow chart so as to enable the production operation element information to be visually displayed in real time.
Further, in the method for constructing a digital flowchart of a nuclear power plant according to the present invention, the method for constructing a digital flowchart of a nuclear power plant according to the basic flowchart includes:
extracting process flow information of the basic flow chart; the basic flow chart is an electronic version flow chart in PDF format and/or DWG format;
according to a preset target format, carrying out related processing on the electronic version flow chart according to the extracted process flow information to generate an editable and online digital flow chart;
the related processing comprises editing processing, configuration processing and checking processing.
Further, in the nuclear power digital twin construction method based on the digital flow chart, the method further comprises the following steps:
displaying and/or marking the searched positioning information in the digital flow chart according to a search instruction input by a user; and/or
In the digital flow chart, according to a jump instruction input by a user, jumping from the displayed current flow chart to the corresponding flow chart.
Further, in the nuclear power digital twin construction method based on the digital flow chart, the method further comprises the following steps:
in the digital flow chart, according to an upstream and downstream searching instruction input by a user, upstream and downstream equipment is automatically searched according to a flow relation; and/or
In the digital flow chart, relevant equipment and/or pipelines are automatically/manually highlighted and/or discolored according to process instructions input by a user.
Further, in the nuclear power digital twin construction method based on the digital flow chart, the method further comprises the following steps:
and generating a corresponding operation strategy by taking the digital flow chart as a carrier and combining the constructed operation service scene so as to drive nuclear power operation.
Further, in the method for constructing a nuclear power digital twin based on a digital flowchart of the present invention, in the step of synchronously mapping the production operation element information in the digital flowchart, the method includes:
reconstructing and integrating production operation dynamic and static data according to preset dimensions based on a nuclear power SSC architecture (Structure, system and Component, namely a construct, a system and a component); and the digital flow chart is used as a carrier to synchronously map the production operation element information; wherein the production run element information includes the production run action static data.
Further, in the nuclear power digital twin construction method based on the digital flow chart, the production operation element information includes the current operation configuration and state of the unit, and the method further includes:
analyzing whether the operation configuration and the state of the nuclear power plant process system are abnormal or not according to the current operation configuration and the state of the unit by taking a pre-stored operation standard configuration model as a reference, if so, carrying out early warning, marking on the digital flow chart, and outputting a recommended operation strategy to solve the abnormal situation.
Further, in the nuclear power digital twin construction method based on the digital flow chart, the production operation element information includes an isolation device, an isolation configuration, and an operation state of the isolation device, and the method further includes:
taking a pre-stored isolation model as a reference, performing related processing on the isolation equipment, the isolation configuration and the operation state of the isolation equipment to obtain corresponding processing results;
wherein, the related processing comprises at least one of searching operation, positioning operation, analysis operation and drawing operation taking a digital flow chart as a carrier; the processing result comprises at least one of automatic isolation risk preparation, visual isolation deduction and conflict verification, and automatic generation of an isolation-free work ticket.
Further, in the nuclear power digital twin construction method based on the digital flow chart of the present invention, the production operation element information includes operator data and behavior operation data, and the method further includes:
introducing the operator data and the behavior operation data into an operation performance model to obtain operation performance data of individuals and/or teams, analyzing, counting and evaluating the operation performance data to obtain corresponding analysis results, counting results and evaluation results, and visually displaying the analysis results, the counting results and the evaluation results in the digital flow chart; and outputting a corresponding operation strategy according to the evaluation result.
In addition, the invention also provides a nuclear power digital twin system based on the digital flow chart, which comprises a digital twin body, a nuclear power plant process system and digital twin application, wherein the digital twin body is respectively connected with the nuclear power plant process system and the digital twin application;
the digital twin body executes the nuclear power digital twin construction method based on the digital flow chart;
the digital twin application is used for acquiring a corresponding operation strategy from the digital twin body, and controlling the nuclear power plant process system to execute corresponding operation according to the operation strategy so as to enable the nuclear power plant process system to meet the preset standard requirement.
The nuclear power digital twin construction method and the system based on the digital flow chart have the following beneficial effects: the invention improves the information integration level in the nuclear power plant operation field based on the digital twin technology, replaces a large amount of manual repetitive labor with data drive, can effectively reduce the load of the operating personnel of the nuclear power plant, reduces the probability of human error and improves the safety performance and the economic level of the nuclear power plant.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic flow diagram of a nuclear power digital twin construction method based on a digital flow diagram according to an embodiment of the present invention;
FIG. 2 is a diagram of a digital twin framework for smart operation of nuclear power provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a digital twin system for smart operation of nuclear power according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a digital flowchart according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of a nuclear power digital twin construction method based on a digital flow chart according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a nuclear power digital twin system based on a digital flowchart according to an embodiment of the present invention.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In a preferred embodiment, referring to fig. 1, the nuclear power digital twin construction method based on the digital flowchart of the present embodiment includes the following steps:
s10, acquiring a basic flow chart of a nuclear power plant process system, and constructing a digital flow chart according to the basic flow chart, so that the nuclear power plant process system has interactivity and integration.
Specifically, in the step of constructing the digital flowchart model according to the basic flowchart, it includes:
and extracting process flow information of the basic flow chart. Specifically, the basic flow chart is an electronic version flow chart in a PDF format and/or a DWG format, and of course, the basic flow chart can be a sub-version flow chart in other formats.
Converting the basic flow chart into an electronic version flow chart, and extracting process flow information therein, wherein the process flow information comprises but is not limited to text information, icon information, connection information and the like.
And carrying out related processing on the electronic version flow chart according to the extracted process flow information according to a preset target format, and generating an editable and online digital flow chart. That is, the electronic version of the flowchart is reconstructed according to the preset target format and then according to the extracted flowchart information, and an editable online digital flowchart is generated. The related process includes, but is not limited to, an editing process, a configuration process, a checking process, and the like.
The flow chart is a kind of reference file of the nuclear power plant, and is a guiding file necessary for operation, maintenance, training and daily management in the operation stage. The digitalized flow chart is stripped from the traditional nuclear power flow chart, and the nuclear power process system is taken as an object for precise depiction. The digitized flow chart serves as a data carrier of the digital twin body and carries the panoramic mapping of the nuclear power plant process system.
As shown in fig. 4, for the present flowcharts that are mainly stored and used in an electronic version format in each nuclear power plant, the electronic version flowcharts implement digitization through the following steps:
(1) The digital flow diagram related standards and specifications are collected and configured.
(2) Classifying according to the drawings with different types and different formats, and extracting information by adopting different methods aiming at the different drawings. If the nonstandard drawing is edited and drawn by adopting an intelligent P & ID tool; the resolvable format standard drawing adopts format conversion, translation technology and the like to extract information; the non-resolvable standard drawing adopts the technologies of target detection, OCR technology, semantic segmentation, pattern matching and the like to extract information.
(3) And reconstructing the drawing by utilizing the extracted information, such as text information, icon information, connection information and the like, in combination with standard specifications, and generating a drawing in a target format.
(4) Editing, configuring and checking the generated digital format drawing to generate a digital flow chart model.
S20, acquiring production operation element information of the nuclear power plant, and synchronously mapping the production operation element information in a digital flow chart so as to enable the production operation element information to be visually displayed in real time. That is, the production operation element information of the nuclear power plant is intelligently perceived and synchronously mapped, so that the integration of operation dynamic and static data is realized, and the digital flow chart model can truly reflect the operation configuration and state of the process of the nuclear power plant.
Optionally, in the step of synchronously mapping the production run element information in the digital flowchart, it includes:
and reconstructing and integrating the dynamic and static data of the production operation according to a preset dimension based on a nuclear power SSC architecture. And, take the digital flow chart as carrier, map and produce and run the factor information synchronously. Wherein the production run element information includes production run static data. It should be noted that, the nuclear power SSC architecture can refer to the prior art, and will not be described herein.
That is, the digital flow chart is taken as a carrier, the intelligent sensing and synchronous mapping production operation element information is mainly based on the functional position code as a center and the main data, and the dynamic and static data is reconstructed and integrated according to the dimensions of objects, systems, spaces and the like by depending on the metadata base and the association relation and according to the nuclear power SSC architecture.
The following describes a digital twin framework (i.e. digital twin system) of a nuclear power plant, and the core of the operation of the nuclear power plant is the system state and configuration management according to the related guidance of WANO/INPO/IAEA, and the nuclear power operation configuration management requirements are consistent with the related configuration information, namely, the design requirements (Design Requirement, DR), the nuclear power plant configuration information (Facility Configuration Information, FCI) and the entity configuration (Physical Configuration, PC) are balanced. The operation department closely surrounds the power plant state and the configuration management to develop the work of the related fields, and the safe, stable and economic operation of the unit is realized.
Aiming at the characteristics of nuclear power operation and work, based on digital twin concepts and connotations, a digital twin framework for nuclear power intelligent operation is provided, and as shown in fig. 2, a constructed digital twin framework main body is divided into a physical space (i.e. a nuclear power plant process system), a digital space (i.e. a digital twin body) and a digital twin application 3. The physical space refers to the physical entity power plant and related personnel, equipment, programs, procedures and other elements surrounding the production operation of the nuclear power plant, and the physical space transmits the nuclear power plant operation state configuration data, personnel behavior data, procedure data, program rules and the like to other parts, so that the physical space is the basis of all other parts in the digital twin frame. The digital space is used as a mirror image of the physical space, dynamic simulation and accurate depiction are carried out on physical space attributes, behaviors, rules and the like, the digital space and the physical space are linked through intelligent perception and synchronous mapping, and main linking modes comprise an intelligent sensing terminal, an Internet of things, a large-scale information acquisition access platform and the like. The digital space builds twin models from different dimensions and types, including models such as two-dimensional models and three-dimensional twin models. The digital space drives the scene and the model to realize twin application by means of multi-source data fusion, artificial intelligence, simulation, expert system and the like. Digital twin applications control and act on physical space through intelligent operation work. The twin data provides comprehensive and accurate support for all elements, all processes and all services, and can meet the requirements of synchronism and consistency of physical space and digital space, and most of the twin data is penetrated. The twin application is mainly used for nuclear power operation work reconstruction, namely, operation work visualization, automation and intellectualization are realized; such as job risk identification, job content visualization, planning of personnel activities, standardization of job requirements, job record digitization, automation of job preparation, etc.
In combination with the current running situation and application practice of the nuclear power plant, a digital flow chart-based intelligent running digital twin system of the nuclear power plant is provided, as shown in fig. 3, for the nuclear power running system, the intelligent sensing of the physical space needs to digitally extract key parameters of each component element of the nuclear power running system. Key elements of the nuclear power operation system comprise an operation system, equipment, personnel, programs, state configuration and the like. The digital twin construction is intelligent perception and digital mapping of each element of the physical space.
Specifically, the digital space builds a panoramic image of the nuclear power running system, and meanwhile builds scene driving data to realize running digital twin application. The main body comprises a data layer, a model layer and a service layer. The data layer realizes integration and fusion of multi-source heterogeneous data through intelligent perception and synchronous mapping of physical space nuclear power plant configuration. Model layers, including digital flow diagram models and various types of design requirement models. The digital flow chart model is used as a data carrier, and is used for fusing various multi-source heterogeneous data to construct a panoramic mirror image of nuclear power running configuration. Various design requirement models such as an operation performance model, a standard state configuration library, a overhaul safety state model and the like reflect the design requirement state and configuration information. The service layer realizes business scene construction and data driving through various services, including various twin services, business services and data services.
In some embodiments, the method further comprises: and generating a corresponding operation strategy by taking the digital flow chart as a carrier and combining the constructed operation service scene so as to drive nuclear power operation.
It can be appreciated that the embodiment is oriented to nuclear power operation, an operation service scene is constructed, and the nuclear power operation is driven by data, so that a digital twin body of a nuclear power process system is constructed in a digital space. And particularly, designing each operation service model by taking the design requirement as a reference, operating the service model by using the production operation element information, constructing each operation service scene, and driving nuclear power operation by using data.
According to the embodiment, based on a digital twin technology, the information integration level of the operation field of the nuclear power plant is improved, a large amount of manual repetitive labor is replaced by data driving through operation service scene application, the load of operators of the nuclear power plant can be effectively reduced, the probability of human error is reduced, and the safety performance and the economic level of the nuclear power plant are improved.
In the digital flowchart-based nuclear power digital twin construction method of some embodiments, referring to fig. 5, the method further includes:
s30, displaying and/or marking the searched positioning information in the digital flow chart according to the search instruction input by the user. And/or
S40, in the digital flow chart, according to a jump instruction input by a user, jumping to a corresponding flow chart from the displayed current flow chart. And/or
S50, in the digital flow chart, according to the upstream and downstream searching instruction input by the user, the upstream and downstream equipment is automatically searched according to the flow relation. And/or
S60, in the digital flow chart, related equipment and/or pipelines are automatically/manually highlighted and/or color-changed according to the process instructions input by the user.
In this embodiment, the digitized flowchart can accurately depict the process system of the nuclear power plant, including the objects, the attribute features, the flow relationships, and the like thereof, while supporting skip, search, positioning, and the like.
In some embodiments, the production run factor information includes a current running configuration and status of the unit, the method further comprising:
analyzing whether the operation configuration and the state of the process system of the nuclear power plant are abnormal or not according to the current operation configuration and the state of the unit by taking a pre-stored operation standard configuration model as a reference, if so, carrying out early warning, marking on a digital flow chart, and outputting a recommended operation strategy to solve the abnormal situation.
It can be understood that, for operation configuration management, the embodiment builds various operation standard configuration databases or configuration models, realizes on-line tracking management of signal feedback data and no-signal feedback data through on-line state management of the whole system, and synchronously maps the operation state of the process system through data mirroring, so that the configuration state of the system is visible. And comparing the consistency of the current unit running state with the standard configuration state in real time, and timely sending out deviation early warning to assist the running staff to quickly sense risks under various running conditions.
In some embodiments, the production run factor information includes an isolation device, an isolation configuration, an operational status of the isolation device, the method further comprising:
and carrying out related processing on the isolation equipment, the isolation configuration and the operation state of the isolation equipment by taking a pre-stored isolation model as a reference to obtain corresponding processing results.
The related processing includes, but is not limited to, a search operation, a positioning operation, an analysis operation, a drawing operation, and the like, which take a digital flow chart as a carrier. The processing results include, but are not limited to, automatic quarantine risk preparation, visual quarantine deduction and conflict verification, automatic generation of quarantine work tickets, and the like.
It can be understood that for intelligent isolation management, the embodiment utilizes the operation isolation element information, organically combines the virtual environment, the real-time state and the workflow of the device in isolation by introducing an isolation model and an algorithm, and replaces the activities of manual searching, positioning, analysis, judgment, drawing and the like in the prior isolation management activities by using a data driving and intelligent algorithm.
In some embodiments, the production run factor information includes operator data, behavioral operation data, the method further comprising:
and introducing the operator data and the behavior operation data into an operation performance model to obtain operation performance data of individuals and/or teams, analyzing, counting and evaluating the operation performance data to obtain corresponding analysis results, counting results and evaluating results, and visually displaying the analysis results, counting results and evaluating results in a digital flow chart. And outputting a corresponding operation strategy according to the evaluation result.
It can be understood that for operation performance management, based on automatic statistics, intelligent analysis and presentation of operation performance of the digital flow chart, single, whole and transverse data comparison of individuals and teams are automatically analyzed, strong and weak items of the individuals and teams are automatically analyzed, and improvement comments are prompted.
The embodiment can realize automatic recording, analysis, statistics and evaluation of the personal and team operation performance data, and the personal and team operation performance results and evaluation are visually displayed in the digital flow chart.
Optionally, the improvement policy is output in the form of a working file. Or, according to the export instruction input by the user, exporting the improvement strategy into an electronic version work file.
In some embodiments, the production run element information includes a current operating manifest of the device, the method of the present embodiment further comprising:
and judging the consistency comparison condition of the current operation list and a pre-stored standard operation rule database, if the current operation list is inconsistent with the pre-stored standard operation rule database, visually displaying the obtained comparison result in a digital flow chart, and generating an operation list of required operation equipment.
It can be understood that for intelligent procedure management, based on the consistency of the digital twin system automatic judging operation procedure and the state of the operation list equipment, the required operation equipment list is automatically exported, the operation risk is automatically prompted, the consistency of the operation result is automatically verified and early-warned, and the operation result is communicated with the master control in real time on site.
In the embodiment, the standardized and unified management of the operation core business data, architecture and workflow can be realized through a digital twin technology. The functions of quick retrieval, positioning, browsing, jumping, management and the like of the digital drawing are realized; the consistency and the uniqueness of drawings used in the production operation process are ensured through digital drawing management. Taking the digital flow chart as a core integrated system device basic attribute and production operation element information, such as system device design data, positions, standing accounts, maintenance history, work orders, isolation tickets, experience feedback and the like; and the real-time synchronous mapping process system and the real-time running state of the equipment realize the relevant state mapping of the running of the nuclear power unit. Meanwhile, by establishing an operation configuration management database, the problems of decentralized and non-uniform production operation data are solved, a unique data source is provided for operation and maintenance, and multidimensional quick query and intelligent analysis are facilitated. By means of real-time comparison between standard state configuration and actual state of a nuclear power unit system under various working conditions, operators are assisted to quickly perceive various risk anomalies under various working conditions of the unit. The integrated operation configuration management database and various scene data models can be fully utilized, the visual and intelligent application in the field of operation is developed, and the reconstruction of nuclear power operation work, such as system state and configuration management, visual isolation management and the like, is realized; the configuration management of the power plant is driven by data, the overall risk sensing capability and auxiliary decision making of a unit of an operator are improved, the workload of the operator is reduced, the probability of human error is reduced, and the operation efficiency and the safety performance of the nuclear power plant are improved.
In another preferred embodiment, referring to fig. 6, the nuclear power digital twin system based on the digital flowchart of the present embodiment includes a digital twin body, a nuclear power plant process system, and a digital twin application, the digital twin body being connected to the nuclear power plant process system and the digital twin application, respectively.
The digital twin body executes the nuclear power digital twin construction method based on the digital flow chart.
The digital twin application is used for acquiring a corresponding operation strategy from the digital twin body, and controlling the nuclear power plant process system to execute corresponding operation according to the operation strategy so as to enable the nuclear power plant process system to meet the preset standard requirement.
Specifically, based on the connotation of digital twin, a digital twin model for nuclear power intelligent operation based on a digital flow chart is provided in combination with the digital twin application practice of nuclear power operation, a digital technology, an internet of things technology, a digital twin technology and the like are adopted, the digital flow chart is taken as a carrier to construct a twin model of a nuclear power process system, multi-source heterogeneous data are integrated, the operation state of the nuclear power process system is mapped rapidly and accurately, and a digital twin body for nuclear power plant operation is constructed.
The twin application is intelligently operated by using the data driving nuclear power, so that the conversion from the operation work with the document as the center to the operation work mode with the data as the center is realized, the overall risk perception capability and the auxiliary decision capability of an operator on the state of the unit are improved, and paperless, informatization and intellectualization of the operation work outside the DCS are realized. The robot replaces a robot, so that the operation work efficiency is improved, the load of operators is reduced, human errors are reduced, and the safety level and the economical efficiency of the nuclear power plant are improved.
In the embodiment, a digital flowchart is taken as a carrier to construct a nuclear power intelligent operation digital twin system; the process system is used as a core to integrate the production operation element information of the nuclear power plant, the operation states and parameters of a unit, a system and equipment are synchronized in real time, the full mirror image of the operation state of the unit is realized, and a digital twin body of the process system of the nuclear power plant is constructed. Compared with the traditional nuclear power station operation mode based on paper version or electronic version flow chart files, the method has the following advantages:
(1) By constructing an intelligent operation digital twin system based on a digital flow chart, a working platform of an operation core business of a nuclear power plant is established, and standardized and unified management of operation core business data, architecture and workflow is realized based on the working platform.
(2) The functions of quick retrieval, positioning, browsing, jumping, management and the like of the digital drawing are realized; the consistency and the uniqueness of drawings used in the production operation process are ensured through digital drawing management.
(3) Taking the digital flow chart as a core integrated system device basic attribute and production operation element information, such as system device design data, positions, standing accounts, maintenance history, work orders, isolation tickets, experience feedback and the like; the real-time synchronous mapping process system and equipment real-time operation state realizes the state mapping related to the operation of the nuclear power unit;
(4) An operation configuration management database is established, the problems of decentralized and non-uniform production operation data are solved, a unique data source is provided for operation and maintenance, and multidimensional quick query and intelligent analysis are facilitated. By means of real-time comparison between standard state configuration and actual state of a nuclear power unit system under various working conditions, operators are assisted to quickly perceive various risk anomalies under various working conditions of the unit.
(5) The integrated operation configuration management database and various scene data models are fully utilized, and the visual and intelligent application in the operation field is developed, so that the reconstruction of nuclear power operation work, such as system state and configuration management, visual isolation management and the like, is realized; the configuration management of the power plant is driven by data, the overall risk sensing capability and auxiliary decision making of a unit of an operator are improved, the workload of the operator is reduced, the probability of human error is reduced, and the operation efficiency and the safety performance of the nuclear power plant are improved.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It is to be understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The nuclear power digital twin construction method based on the digital flow chart is characterized by comprising the following steps of:
acquiring a basic flow chart of a nuclear power plant process system, and constructing a digital flow chart according to the basic flow chart;
and acquiring production operation element information of the nuclear power plant, and synchronously mapping the production operation element information in the digital flow chart so as to enable the production operation element information to be visually displayed in real time.
2. The digital flowchart-based nuclear power digital twin construction method of claim 1, wherein in the step of constructing the digital flowchart from the basic flowchart, comprising:
extracting process flow information of the basic flow chart; the basic flow chart is an electronic version flow chart in PDF format and/or DWG format;
according to a preset target format, carrying out related processing on the electronic version flow chart according to the extracted process flow information to generate an editable and online digital flow chart;
the related processing comprises editing processing, configuration processing and checking processing.
3. The digital flowchart-based nuclear power digital twin construction method of claim 1, further comprising:
displaying and/or marking the searched positioning information in the digital flow chart according to a search instruction input by a user; and/or
In the digital flow chart, according to a jump instruction input by a user, jumping from the displayed current flow chart to the corresponding flow chart.
4. The digital flowchart-based nuclear power digital twin construction method of claim 1, further comprising:
in the digital flow chart, according to an upstream and downstream searching instruction input by a user, upstream and downstream equipment is automatically searched according to a flow relation; and/or
In the digital flow chart, relevant equipment and/or pipelines are automatically/manually highlighted and/or discolored according to process instructions input by a user.
5. The digital flowchart-based nuclear power digital twin construction method of claim 1, further comprising:
and generating a corresponding operation strategy by taking the digital flow chart as a carrier and combining the constructed operation service scene so as to drive nuclear power operation.
6. The digital flowchart-based nuclear power digital twin construction method of claim 1, wherein in the step of synchronously mapping the production run element information in the digital flowchart, comprising:
reconstructing and integrating production operation dynamic and static data according to preset dimensions based on a nuclear power SSC architecture (Structure, system and Component, namely a construct, a system and a component); and the digital flow chart is used as a carrier to synchronously map the production operation element information; wherein the production run element information includes the production run action static data.
7. The digital flowchart-based nuclear power digital twin construction method of claim 1, wherein the production operation element information includes a current operation configuration and state of a unit, and the method further comprises:
analyzing whether the operation configuration and the state of the nuclear power plant process system are abnormal or not according to the current operation configuration and the state of the unit by taking a pre-stored operation standard configuration model as a reference, if so, carrying out early warning, marking on the digital flow chart, and outputting a recommended operation strategy to solve the abnormal situation.
8. The digital flowchart-based nuclear power digital twin construction method of claim 1, wherein the production operation element information includes an isolation device, an isolation configuration, and an operation state of the isolation device, and the method further comprises:
taking a pre-stored isolation model as a reference, performing related processing on the isolation equipment, the isolation configuration and the operation state of the isolation equipment to obtain corresponding processing results;
wherein, the related processing comprises at least one of searching operation, positioning operation, analysis operation and drawing operation taking a digital flow chart as a carrier; the processing result comprises at least one of automatic isolation risk preparation, visual isolation deduction and conflict verification, and automatic generation of an isolation-free work ticket.
9. The digital flowchart-based nuclear power digital twin construction method of claim 1, wherein the production operation element information includes operator data and behavior operation data, and the method further comprises:
introducing the operator data and the behavior operation data into an operation performance model to obtain operation performance data of individuals and/or teams, analyzing, counting and evaluating the operation performance data to obtain corresponding analysis results, counting results and evaluation results, and visually displaying the analysis results, the counting results and the evaluation results in the digital flow chart; and outputting a corresponding operation strategy according to the evaluation result.
10. The nuclear power digital twin system based on the digital flow chart is characterized by comprising a digital twin body, a nuclear power plant process system and a digital twin application, wherein the digital twin body is respectively connected with the nuclear power plant process system and the digital twin application;
the digital twin performs the nuclear power digital twin construction method based on the digital flow chart according to any one of claims 1 to 9;
the digital twin application is used for acquiring a corresponding operation strategy from the digital twin body, and controlling the nuclear power plant process system to execute corresponding operation according to the operation strategy so as to enable the nuclear power plant process system to meet the preset standard requirement.
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