A method and system for intelligent preparation of preventive work orders in a nuclear power plant

Abstract

The present application relates to a kind of nuclear power plant preventive work order intelligent preparation method and system, comprising: RPA robot obtains the order data of SAP system, and sends order data to first user terminal;RPA robot receives the order preparation instruction executed by first user terminal, and according to the order preparation instruction executed, executes work order preparation process, and sends the review prompt to second user terminal;RPA robot is reviewed according to the review information sent by second user terminal and is modified to the preventive work order to be prepared;After the preventive work order to be prepared is reviewed and modified, RPA robot obtains the order information of first user terminal, and writes order information in SAP system.The present application can automatically realize the preparation work of preventive work order by RAP robot, solve the problem of low efficiency of manual operation, high human error, effectively guarantee the safe, stable, efficient operation of nuclear power plant.

Description

Technical Field

[0001] This invention relates to the technical field of work order preparation for nuclear power plants, and more specifically, to a method and system for intelligent preparation of preventative work orders for nuclear power plants. Background Technology

[0002] Currently, the preparation of preventative work orders at nuclear power plants involves manual data collection and summarization, manual initiation and entry of preparation processes, and manual risk analysis based on experience. This work is highly repetitive and follows a certain degree of fixed business logic. However, manual operation is inefficient and prone to human error, which inevitably affects the preparation of preventative work orders and consequently impacts the production process. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a method and system for intelligent preparation of preventive work orders in nuclear power plants.

[0004] The technical solution adopted by this invention to solve its technical problem is: to construct an intelligent preparation method for preventive work orders in nuclear power plants, comprising the following steps:

[0005] The RPA robot acquires order data from the SAP system and sends the order data to a first user terminal; the order data includes: preventative work orders to be prepared;

[0006] The RPA robot receives the order preparation instruction from the first user terminal, executes the work order preparation process according to the order preparation instruction, and sends a verification reminder to the second user terminal after completing the work order preparation process.

[0007] The RPA robot verifies and modifies the preventive work order to be prepared based on the verification information sent by the second user terminal.

[0008] After the preventative work order to be prepared is reviewed and modified, the RPA robot obtains the order information from the first user terminal and writes the order information into the SAP system.

[0009] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the method further includes:

[0010] Upon receiving the print preparation instruction, the RPA robot obtains the order file to be printed from the SAP system according to the print instruction;

[0011] The RPA robot prints the order document to be printed.

[0012] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the RPA robot obtains the order file to be printed from the SAP system according to the printing instruction, including:

[0013] The RPA robot reads and downloads the order file to be printed from the SAP system;

[0014] The RPA robot sends the order file to be printed to the first user terminal so that the first user terminal can save and preview the order file to be printed.

[0015] In the intelligent preparation method for preventive work orders in nuclear power plants described in this invention, the order file to be printed includes: the order file generated by the SAP system and the drawings and / or procedures of the order in the enterprise document management system;

[0016] The RPA robot also includes obtaining the order file to be printed from the SAP system according to the printing instruction:

[0017] The RPA robot identifies file information in the order files generated by the SAP system;

[0018] The RPA robot retrieves the file corresponding to the file information from the enterprise document management system based on the file information.

[0019] The RPA robot determines the corresponding page in the file based on the file information, downloads the determined page, and sends it to the first user terminal.

[0020] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the RPA robot printing the order document to be printed includes:

[0021] The RPA robot receives the printing command;

[0022] The RPA robot obtains the document to be printed according to the printing instruction and prints the document.

[0023] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the RPA robot acquires order data from the SAP system and sends the order data to the first user terminal, including:

[0024] The RPA robot logs into the SAP system;

[0025] The RPA robot queries the SAP system for preventative work orders to be prepared;

[0026] The RPA robot sends the preventative work order to be prepared to the first user terminal.

[0027] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the RPA robot queries the preventive work orders to be prepared in the SAP system, including:

[0028] The RPA robot reads the preventive work orders to be prepared from the SAP system and exports the preventive work orders to an Excel spreadsheet.

[0029] In the intelligent preparation method for preventive work orders in nuclear power plants according to the present invention, the method further includes:

[0030] If an error or abnormality occurs during the RPA robot's work order preparation process, a work order preparation failure reminder will be output.

[0031] The work order preparation failure notification will be sent to the first user terminal and / or the second user terminal.

[0032] The present invention also provides a preventive work order intelligent preparation system for nuclear power plants, comprising: an RPA robot, a first user terminal communicating with the RPA robot, and a second user terminal communicating with the RPA robot and the first user terminal respectively;

[0033] The RPA robot is used to perform the following steps when preparing preventative work orders:

[0034] The RPA robot acquires order data from the SAP system and sends the order data to a first user terminal; the order data includes: preventative work orders to be prepared;

[0035] The RPA robot receives the order preparation instruction from the first user terminal, executes the work order preparation process according to the order preparation instruction, and sends a verification reminder to the second user terminal after completing the work order preparation process.

[0036] The RPA robot verifies and modifies the preventive work order to be prepared based on the verification information sent by the second user terminal.

[0037] After the preventive work order to be prepared is checked and modified, the RPA robot obtains the order information from the first user terminal and writes the order information into the SAP system;

[0038] The first user terminal is used for:

[0039] Receive selection information input by the user and send the order preparation instruction to the RPA robot based on the selection information;

[0040] The second user terminal is used for:

[0041] The system receives and displays the verification reminder, and sends the verification information to the RPA robot after receiving the verification information input by the user.

[0042] In the intelligent preparation system for preventive work orders in nuclear power plants described in this invention, the RPA robot is also used for:

[0043] Upon receiving the print preparation instruction, the RPA robot obtains the order file to be printed from the SAP system according to the print instruction;

[0044] The RPA robot prints the order document to be printed.

[0045] The intelligent preparation method and system for preventive work orders in nuclear power plants, as described in this invention, has the following beneficial effects: It includes: an RPA robot acquiring order data from the SAP system and sending the order data to a first user terminal; the RPA robot receiving an order preparation instruction from the first user terminal and executing the work order preparation process according to the instruction, while sending a verification reminder to a second user terminal; the RPA robot verifying and modifying the preventive work order to be prepared based on the verification information sent by the second user terminal; and after the preventive work order to be prepared has been verified and modified, the RPA robot acquiring the order information from the first user terminal and writing the order information into the SAP system. This invention can automatically prepare preventive work orders through a RPA robot, solving the problems of low efficiency and high human error in manual operations, and effectively ensuring the safe, stable, and efficient operation of nuclear power plants. Attached Figure Description

[0046] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0047] Figure 1 This is a flowchart illustrating the intelligent preparation method for preventive work orders in nuclear power plants provided by the present invention.

[0048] Figure 2 This is a schematic diagram of the processing flow of the intelligent preparation method for preventive work orders in nuclear power plants provided by the present invention.

[0049] Figure 3 This is a system architecture diagram of the intelligent preparation system for preventive work orders in nuclear power plants provided by the present invention;

[0050] Figure 4 This is a logic block diagram of the RPA robot provided by the present invention;

[0051] Figure 5 This is a schematic diagram of the functional components of the RPA robot provided by the present invention. Detailed Implementation

[0052] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0053] Figure 1 This invention illustrates a preferred embodiment of the intelligent preparation method for preventive work orders in nuclear power plants.

[0054] Specifically, such as Figure 1 As shown in this embodiment, the intelligent preparation method for preventive work orders in a nuclear power plant includes the following steps:

[0055] Step S101: The RPA robot acquires order data from the SAP system and sends the order data to the first user terminal; the order data includes preventative work orders to be prepared. In this embodiment, the SAP system is System Applications and Products, i.e., an enterprise resource management software system. RPA stands for Robotic Process Automation.

[0056] Specifically, in this embodiment, the RPA robot obtains order data from the SAP system and sends the order data to the first user terminal, including: the RPA robot logging into the SAP system; the RPA robot querying the preventive work orders to be prepared in the SAP system; and the RPA robot sending the preventive work orders to be prepared to the first user terminal.

[0057] The RPA robot reads the preventive work orders to be prepared from the SAP system and exports them to an Excel spreadsheet.

[0058] Step S102: The RPA robot receives the order preparation instruction from the first user terminal, executes the work order preparation process according to the order preparation instruction, and after completing the work order preparation process, sends a verification reminder to the second user terminal.

[0059] Specifically, in this embodiment, after receiving the order preparation instruction sent by the first user terminal, the RPA robot determines the preventive work orders that need to be prepared based on the order preparation instruction. (The preventive work orders that need to be prepared are selected and determined by the user of the first user terminal (usually a preparation engineer) based on the preventive work orders to be prepared uploaded to the first user terminal by the RPA robot. Then, after the user clicks the "Prepare Order" button on the first user terminal, the order preparation instruction can be sent to the RPA robot through the first user terminal.) Then, the RPA robot performs the preparation work for the preventive work orders that need to be prepared.

[0060] Step S103: The RPA robot verifies and modifies the preventive work order to be prepared based on the verification information sent by the second user terminal.

[0061] Specifically, after completing the preparation of the preventive work order in step S102, the RPA robot performs the work order verification work in step S103.

[0062] In this embodiment, the order documents to be printed include: order documents generated by the SAP system and drawings and / or procedures for the order in the enterprise document management system. The user of the second user terminal is typically a verification engineer. Specifically, after the RPA robot completes the preparation of the preventative work order, it sends a verification reminder to the second user terminal. Upon receiving the reminder, the verification engineer verifies the preventative work order prepared by the RPA robot, determines the verification information that needs modification, and sends it to the RPA robot through the second user terminal. Upon receiving the verification information, the RPA robot begins the verification and modification of the corresponding preventative work order.

[0063] Step S104: After the preventive work order to be prepared is checked and modified, the RPA robot obtains the order information from the first user terminal and writes the order information into the SAP system.

[0064] Furthermore, such as Figure 1 As shown, the intelligent preparation method for preventative work orders in this nuclear power plant also includes the following steps:

[0065] Step S105: After receiving the print preparation instruction, the RPA robot obtains the order file to be printed from the SAP system according to the print instruction.

[0066] Specifically, the process of the RPA robot obtaining the order file to be printed from the SAP system according to the print command also includes: the RPA robot identifying the file information of the order file generated by the SAP system; the RPA robot obtaining the file corresponding to the file information (file code) from the enterprise document management system based on the file information (including the file code and print page number of the relevant drawings / specifications); the RPA robot determining the corresponding page in the file based on the file information (print page number), and downloading the determined page and sending it to the first user terminal.

[0067] The RPA robot obtains the order file to be printed from the SAP system according to the printing instructions, including: the RPA robot reads and downloads the order file to be printed from the SAP system; the RPA robot sends the order file to be printed to the first user terminal so that the first user terminal can save and preview the order file to be printed.

[0068] Step S106: The RPA robot prints the order file to be printed.

[0069] In this embodiment, the RPA robot printing the order document to be printed includes: the RPA robot receiving a print instruction; the RPA robot obtaining the document to be printed according to the print instruction, and printing the document.

[0070] Furthermore, in this embodiment, the intelligent preparation method for preventive work orders in nuclear power plants also includes: if an error or abnormality occurs during the work order preparation process executed by the RPA robot, a work order preparation failure reminder is output; and the work order preparation failure reminder is sent to the first user terminal and / or the second user terminal.

[0071] like Figure 2 The diagram shown illustrates the processing flow of the intelligent preparation method for preventive work orders in nuclear power plants provided by this invention. The specific processing steps for preparing preventive work orders are as follows:

[0072]

[0073]

[0074] The following is a detailed description of the intelligent preparation method for preventative work orders in nuclear power plants according to the present invention. The specific steps are as follows:

[0075]

[0076]

[0077] It should be noted that, in this embodiment of the invention, after the RPA robot reads the order documents from the SAP system, it uses AI technology (OCR, Optical Character Recognition) to identify the relevant drawing / specification document codes and print page numbers.

[0078] refer to Figure 3 , Figure 3 This invention provides a system architecture diagram for a nuclear power plant preventative work order intelligent preparation system.

[0079] Specifically, such as Figure 3 As shown in this embodiment, the nuclear power plant preventive work order intelligent preparation system includes: an RPA robot, a first user terminal communicating with the RPA robot, and a second user terminal communicating with both the RPA robot and the first user terminal.

[0080] The RPA robot is used to perform the following steps when preparing preventative work orders:

[0081] The RPA robot acquires order data from the SAP system and sends it to the first user terminal. The order data includes preventative work orders to be prepared. The RPA robot receives the order preparation instruction from the first user terminal, executes the work order preparation process according to the instruction, and after completing the work order preparation process, sends a verification reminder to the second user terminal. The RPA robot verifies and modifies the preventative work orders to be prepared based on the verification information sent by the second user terminal. After the preventative work orders to be prepared are verified and modified, the RPA robot acquires the order information from the first user terminal and writes the order information into the SAP system.

[0082] Furthermore, in this embodiment, the RPA robot is also used to: after receiving a print preparation instruction, the RPA robot obtains the order file to be printed from the SAP system according to the print instruction; and the RPA robot prints the order file to be printed.

[0083] The first user terminal is used to: receive selection information input by the user and send an order preparation instruction to the RPA robot based on the selection information.

[0084] The second user terminal is used to: receive and display verification reminders, and send verification information to the RPA robot after receiving verification information input by the user.

[0085] Specifically, such as Figure 4As shown, the RPA robot provided by this invention includes: a robot console, a robot designer, and a robot. The console is primarily responsible for assigning tasks to each robot and for supervising, managing, and controlling the work process. The designer provides a convenient method and interface for editing detailed instructions for the robot, which are then used as tasks to be executed by the robot, and publishes these instructions to the robot controller. The robot host is deployed in a computer terminal that executes specific tasks; it can be a physical machine or a virtual environment, and interacts with the specific business processes and procedures being performed. The functional modules of the RPA robot include, for example,... Figure 5 As shown.

[0086] Specifically, such as Figure 5 The robot control console (robot control platform) enables features such as view report display, robot management, and unified search. View report display features include: custom view display, custom report display, runtime view display, log management display, and efficiency view display. Robot management features include: robot management, task management, trigger management, terminal management, runtime logs, exception logs, permission management, version management, and distributed management. Unified search features include: full-text search, real-time monitoring, runtime playback, behavior log retrieval, and session list.

[0087] The robot's main functions include: behavior data collection, task execution, and local policy management. Behavior data collection primarily includes: screen recording, behavior logs, system logs, and operation logs. Task execution mainly includes: automated operation, assisted operation, pop-up reminders, historical task management, and log uploading. Local policy management mainly includes: process policy acquisition, task configuration acquisition, start / stop policies, and logging policies.

[0088] The robot designer primarily implements the following functions: runtime environment setup, scene component support, and workflow configuration. Runtime environment setup includes Python support, compilation and execution, single-step debugging, script definition, function calls, and interface encapsulation. Scene component support mainly includes Workflow, browser, desktop application, images, program functions, Excel, email, and windows. Workflow configuration mainly includes simple workflow definition, control recognition and picking, flow control, variable definition, hotkey definition, and code definition.

[0089] It should be noted that the specific coordination operation process between the modules in the intelligent preparation system for preventive work orders in nuclear power plants disclosed in this invention can be referred to the above-mentioned intelligent preparation method for preventive work orders in nuclear power plants, and will not be repeated here.

[0090] This invention utilizes an RPA (Robotic Process Automation) robot, based on the SAP system, to automatically complete the document and data retrieval, trigger reminder verification process, and leverages AI to achieve a certain degree of intelligent nuclear safety risk analysis, automated preparation of supplementary documents such as special pre-work meeting forms, and automatic robot-based printing. Thus, the entire preventative work order preparation process is completed through RPA+AI. Specifically, RPA technology automates data collection, summarization, and data entry, while AI technology (OCR) enables intelligent data processing, achieving automated preparation of preventative work orders for nuclear power plants. This significantly improves work efficiency, effectively reduces labor costs in nuclear power plants, thereby lowering overall plant costs, and also mitigates risks associated with human error to a certain extent.

[0091] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0092] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0093] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented directly by hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0094] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They do not limit the scope of protection of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A method for intelligent preparation of preventative work orders in nuclear power plants, characterized in that, Includes the following steps: The RPA robot acquires order data from the SAP system and sends the order data to the first user terminal; The order data includes: preventative work orders to be prepared; The RPA robot receives the order preparation instruction from the first user terminal and automatically executes the work order preparation process according to the instruction. After completing the work order preparation process, it sends a verification reminder to the second user terminal. The work order preparation process includes: filling in basic work order information, refreshing the standard package, verifying spare parts inventory, refreshing risk analysis, intelligently selecting electronic seal, creating an RWP, creating an isolation application form, updating the work order status, downloading the work order, downloading drawings, downloading the program, and downloading the verification form. The RPA robot automatically determines whether the preventive work order needs to create an RWP radiation work order; if it determines that the RWP radiation work order needs to be created, it creates the RWP radiation work order and fills in the functional location, room, isolation zone, radiation dose, risk analysis and measures; if it determines that the RWP radiation work order does not need to be created, it changes the status of the preventive work order to PLND. The RPA robot receives isolation feature values ​​from the web client and determines the isolation type as single-ticket isolation, combined ticket main ticket isolation, or combined ticket isolation based on the isolation feature values. The web client includes the first user terminal and / or the second user terminal. When the isolation type is combined ticket main ticket isolation, a main ticket isolation application is created. When the isolation type is combined ticket isolation, the corresponding main ticket is found and the isolation is completed after the main ticket isolation is created. The RPA robot determines whether the isolation request is successful. If the isolation request is successful, it proceeds to the work order printing operation. If the isolation request fails, it outputs an error message. The work order printing operation includes: collecting the work order type and system conditions of the preventive work order, and determining the file to be downloaded based on the work order type and system conditions; reading the order file generated by the SAP system, and using OCR to identify the file code and print page number of the drawings and / or procedures in the order file; obtaining the file corresponding to the file code from the enterprise document management system based on the file code; determining the specified page in the obtained file based on the print page number; merging the specified page with the order file generated by the SAP system to generate a complete PDF document, and sending the PDF document to the first user terminal; The RPA robot automatically logs into the SAP system and verifies and modifies the preventive work order to be prepared based on the verification information sent by the second user terminal. After the preventative work order to be prepared is reviewed and modified, the RPA robot obtains the order information from the first user terminal and writes the order information into the SAP system.

2. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 1, characterized in that, The method further includes: Upon receiving the print preparation instruction, the RPA robot retrieves the order file to be printed from the SAP system according to the print instruction; The RPA robot prints the order document to be printed.

3. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 2, characterized in that, The RPA robot obtains the order file to be printed from the SAP system according to the printing instruction, including: The RPA robot reads and downloads the order file to be printed from the SAP system; The RPA robot sends the order file to be printed to the first user terminal so that the first user terminal can save and preview the order file to be printed.

4. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 2, characterized in that, The order documents to be printed include: the order documents generated by the SAP system and the drawings and / or specifications of the order in the enterprise document management system; The RPA robot also includes obtaining the order file to be printed from the SAP system according to the printing instruction: The RPA robot identifies file information in the order files generated by the SAP system; The RPA robot retrieves the file corresponding to the file information from the enterprise document management system based on the file information. The RPA robot determines the corresponding page in the file based on the file information, downloads the determined page, and sends it to the first user terminal.

5. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 2, characterized in that, The RPA robot prints the order document to be printed, including: The RPA robot receives the printing command; The RPA robot obtains the document to be printed according to the printing instruction and prints the document.

6. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 1, characterized in that, The RPA robot acquires order data from the SAP system and sends the order data to the first user terminal, including: The RPA robot logs into the SAP system; The RPA robot queries the SAP system for preventative work orders to be prepared; The RPA robot sends the preventative work order to be prepared to the first user terminal.

7. The intelligent preparation method for preventive work orders in nuclear power plants according to claim 6, characterized in that, The RPA robot queries the SAP system for preventative work orders to be prepared, including: The RPA robot reads the preventive work orders to be prepared from the SAP system and exports the preventive work orders to an Excel spreadsheet.

8. The intelligent preparation method for preventive work orders in nuclear power plants according to any one of claims 1-7, characterized in that, The method further includes: If an error or abnormality occurs during the RPA robot's work order preparation process, a work order preparation failure reminder will be output. The work order preparation failure notification will be sent to the first user terminal and / or the second user terminal.

9. A preventative work order intelligent preparation system for nuclear power plants, characterized in that, include: An RPA robot, a first user terminal communicating with the RPA robot, and a second user terminal communicating with the RPA robot and the first user terminal respectively; The RPA robot is used to perform the following steps when preparing preventative work orders: The RPA robot acquires order data from the SAP system and sends the order data to a first user terminal; the order data includes: preventative work orders to be prepared; The RPA robot receives the order preparation instruction from the first user terminal and automatically executes the work order preparation process according to the instruction. After completing the work order preparation process, it sends a verification reminder to the second user terminal. The work order preparation process includes: filling in basic work order information, refreshing the standard package, verifying spare parts inventory, refreshing risk analysis, intelligently selecting electronic seal, creating an RWP, creating an isolation application form, updating the work order status, downloading the work order, downloading drawings, downloading the program, and downloading the verification form. The RPA robot is also used to: automatically determine whether the preventive work order needs to create an RWP radiation work order; when it is determined that the RWP radiation work order needs to be created, create the RWP radiation work order and fill in the functional location, room, isolation zone, radiation dose, risk analysis and measures; when it is determined that the RWP radiation work order does not need to be created, change the status of the preventive work order to PLND. The RPA robot is also used to: receive isolation feature values ​​from the web terminal, and determine the isolation type as single-ticket isolation, combined ticket main ticket isolation, or combined ticket isolation based on the isolation feature values, wherein the web terminal includes the first user terminal and / or the second user terminal; when the isolation type is combined ticket main ticket isolation, create a main ticket isolation application; when the isolation type is combined ticket isolation, find the corresponding main ticket and complete the isolation after completing the main ticket isolation creation; determine whether the isolation application is successful, and proceed to the work order printing operation when the isolation application is successful, and output an exception prompt when the isolation application fails; The work order printing operation includes: collecting the work order type and system conditions of the preventive work order, and determining the file to be downloaded based on the work order type and system conditions; reading the order file generated by the SAP system, and using OCR to identify the file code and print page number of the drawings and / or procedures in the order file; obtaining the file corresponding to the file code from the enterprise document management system based on the file code; determining the specified page in the obtained file based on the print page number; merging the specified page with the order file generated by the SAP system to generate a complete PDF document, and sending the PDF document to the first user terminal; The RPA robot automatically logs into the SAP system and verifies and modifies the preventive work order to be prepared based on the verification information sent by the second user terminal. After the preventive work order to be prepared is checked and modified, the RPA robot obtains the order information from the first user terminal and writes the order information into the SAP system; The first user terminal is used for: Receive selection information input by the user and send the order preparation instruction to the RPA robot based on the selection information; The second user terminal is used for: The system receives and displays the verification reminder, and sends the verification information to the RPA robot after receiving the verification information input by the user.

10. The intelligent preparation system for preventative work orders in nuclear power plants according to claim 9, characterized in that, The RPA robot is also used for: Upon receiving the print preparation instruction, the RPA robot retrieves the order file to be printed from the SAP system according to the print instruction; The RPA robot prints the order document to be printed.

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