CN114862084A - Daily preventive maintenance work order management method and device during overhaul period of nuclear power plant - Google Patents
Daily preventive maintenance work order management method and device during overhaul period of nuclear power plant Download PDFInfo
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Abstract
The disclosure belongs to the technical field of nuclear power, and particularly relates to a daily preventive maintenance work order management method and device during overhaul of a nuclear power plant. The method and the device for scheduling the daily preventive maintenance work orders in the overhaul period are combined with the treatment of the daily preventive maintenance work orders in the overhaul period, and efficiency and accuracy of scheduling the daily preventive maintenance work orders in the overhaul period are improved by calculating the limiting conditions of the information of the outline-to-date, the earliest completion date, the latest completion date and the start and end dates of the overhaul of the daily preventive maintenance work orders. Human errors can be reduced, and the scheduling accuracy is improved.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a daily preventive maintenance work order management method and device during overhaul of a nuclear power plant.
Background
In order to ensure the safe operation of the nuclear power plant, large-scale maintenance activities are required to be carried out after a period of operation according to the aging characteristics of equipment and the requirements of technical specifications according to plan shutdown and concentration. In order to effectively control the overhaul schedule, a detailed overhaul plan must be compiled to guide the orderly execution of each overhaul work. The overhaul plan covers all overhaul-related work, including periodic overhaul projects generated by the preventive database, change-to-retrofit projects, equipment defect projects generated during daily transfer to overhaul and overhaul, and daily-like preventive maintenance work orders triggered during overhaul. There is generally no direct relationship between such work orders and major repair milestones, major segregation, and major line plans. In the current major repair planning scheduling, major repair planning engineers schedule the major repair plans manually according to work experience, which is inefficient and prone to human error, and therefore, how to improve the scheduling efficiency and accuracy of the daily preventive maintenance work order becomes a problem to be solved urgently.
Disclosure of Invention
In order to overcome the problems in the related technology, a daily preventive maintenance work order management method and a daily preventive maintenance work order management device during the overhaul period of a nuclear power plant are provided.
According to an aspect of the disclosed embodiments, there is provided a method for daily preventive maintenance work order management during overhaul of a nuclear power plant, the method including:
acquiring the starting date and the ending date of the current overhaul;
acquiring the outline expiration date of each daily preventive maintenance work order generated during the next overhaul;
determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
and determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the starting date and the ending date of the current overhaul and the earliest finishing date and the latest finishing date of the daily preventive maintenance work order.
In one possible implementation, determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the start date and the end date of the current overhaul, and the earliest completion date and the latest completion date of the daily preventive maintenance work order comprises:
when the outline expiration date of the daily preventive maintenance work order is earlier than the start date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the end date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order;
and setting the limit condition of the daily preventive maintenance work order operation as the completion of the work order task is not later than the limit date.
In one possible implementation manner, the determining the scheduling information of the daily type preventive maintenance work order according to the relationship between the outline expiration date of each daily type preventive maintenance work order and the start date and the end date of the current overhaul, the earliest completion date and the latest completion date of the daily type preventive maintenance work order comprises:
when the outline expiration date of the daily preventive maintenance work order is the starting date of the current overhaul or is between the starting date of the current overhaul and the ending date of the current overhaul, determining the limiting date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order;
the limit condition of the daily preventive maintenance work order operation is set to be no earlier than the limit date when the work order task starts.
In one possible implementation, determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the start date and the end date of the current overhaul, and the earliest completion date and the latest completion date of the daily preventive maintenance work order comprises:
when the outline expiration date of the daily preventive maintenance work order is later than the ending date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date in the starting date of the overhaul;
the limit condition of the daily preventive maintenance work order operation is set to be no earlier than the limit date when the work order task starts.
In one possible implementation, determining the earliest completion date and the latest completion date of each daily type preventative maintenance work order according to the outline expiration date of the daily type preventative maintenance work order comprises: determining the earliest completion date of the daily preventive maintenance work order according to the first expression, and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a type one
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
In one possible implementation, the method further includes:
and for each work order, determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type.
According to another aspect of the disclosed embodiments, there is provided a daily-type preventive maintenance work order management device during overhaul of a nuclear power plant, the device comprising:
the first acquisition module is used for acquiring the starting date and the ending date of the current overhaul;
the second acquisition module is used for acquiring the outline expiration date of each daily preventive maintenance work order generated in the current overhaul period;
the first determining module is used for determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
and the second determining module is used for determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the starting date and the ending date of the current overhaul as well as the earliest finishing date and the latest finishing date of the daily preventive maintenance work order.
In one possible implementation manner, the second determining module includes:
the first comparison module is used for determining the limiting date of the daily preventive maintenance work order as the ending date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is earlier than the starting date of the current overhaul;
the first setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the completion of the work order task is not later than the limit date.
In one possible implementation manner, the second determining module includes:
the second comparison module is used for determining the limiting date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is the starting date of the current overhaul or is between the starting date of the current overhaul and the ending date of the current overhaul;
and the second setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
In one possible implementation manner, the second determining module includes:
the third comparison module is used for determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date of the start date of the overhaul when the outline expiration date of the daily preventive maintenance work order is later than the end date of the overhaul;
and the third setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
In one possible implementation manner, the first determining module includes: the calculation module is used for determining the earliest completion date of the daily preventive maintenance work order according to the first expression and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
In one possible implementation, the apparatus further includes:
and the judging module is used for determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type aiming at each work order.
According to another aspect of the disclosed embodiments, there is provided a daily-type preventive maintenance work order management device during overhaul of a nuclear power plant, the device comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the method described above.
According to another aspect of embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the above-described method.
The beneficial effect of this disclosure lies in: the method and the device for scheduling the daily preventive maintenance work orders in the overhaul period are combined with the treatment of the daily preventive maintenance work orders in the overhaul period, and efficiency and accuracy of scheduling the daily preventive maintenance work orders in the overhaul period are improved by calculating the limiting conditions of the information of the outline-to-date, the earliest completion date, the latest completion date and the start and end dates of the overhaul of the daily preventive maintenance work orders. Human errors can be reduced, and the scheduling accuracy is improved.
Drawings
FIG. 1 is a flow chart illustrating a method of routine-like preventative maintenance work order management during a nuclear power plant overhaul, according to an exemplary embodiment.
FIG. 2 is a block diagram illustrating a routine type preventive maintenance work order management device during a nuclear power plant overhaul according to an example embodiment.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a flow chart illustrating a method of routine-like preventative maintenance work order management during a nuclear power plant overhaul, according to an exemplary embodiment. The method may be executed by a terminal device, for example, the terminal device may be a server, a desktop computer, or the like, and the type of the terminal device is not limited in the embodiments of the present disclosure.
The method can be used for inquiring the daily preventive maintenance worksheet in the database, inquiring the daily preventive maintenance operation in the overhaul period through fields such as a power plant, a project code, a WBS (work order task number) and the like in the inquiry function, and taking the daily preventive maintenance operation as a data object to be processed.
Basic data configuration: and configuring the starting date and the ending date of the current overhaul and the dates and the times of the early shift, the middle shift, the late shift and the normal shift in the current overhaul as basic data for calculation.
As shown in fig. 1, the method may include:
102, determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
For example, step 103 may include:
step 1030, when the outline expiration date of the daily preventive maintenance work order is earlier than the start date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the end date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order;
and step 1031, setting the limiting conditions of the daily preventive maintenance work order operation as the completion of the work order task no later than the limiting date.
For example, step 103 may further include:
step 1032, when the outline expiration date of the daily preventive maintenance work order is the starting date of the current overhaul or is between the starting date of the current overhaul and the ending date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order;
step 1033, set the limit condition for the daily preventative maintenance work order job as the work order task starts no earlier than the limit date.
For example, step 103 may further include:
step 1034, when the outline expiration date of the daily preventive maintenance work order is later than the ending date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date in the starting date of the overhaul;
in step 1035, the constraint for the routine preventive maintenance work order is set to be no earlier than the constraint date for the start of the work order job.
In one possible implementation, determining the earliest completion date and the latest completion date of each daily type preventative maintenance work order according to the outline expiration date of the daily type preventative maintenance work order comprises: determining the earliest completion date of the daily preventive maintenance work order according to the first expression, and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a type one
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
In one possible implementation, the method further includes:
and for each work order, determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type. Therefore, the daily preventive maintenance work order can be accurately identified and obtained.
In one possible implementation, there is provided a daily-type preventive maintenance work order management device during overhaul of a nuclear power plant, the device comprising:
the first acquisition module is used for acquiring the starting date and the ending date of the current overhaul;
the second acquisition module is used for acquiring the outline expiration date of each daily preventive maintenance work order generated in the current overhaul period;
the first determining module is used for determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
and the second determining module is used for determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the starting date and the ending date of the current overhaul as well as the earliest finishing date and the latest finishing date of the daily preventive maintenance work order.
In one possible implementation manner, the second determining module includes:
the first comparison module is used for determining the limiting date of the daily preventive maintenance work order as the ending date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is earlier than the starting date of the current overhaul;
the first setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the completion of the work order task is not later than the limit date.
In one possible implementation manner, the second determining module includes:
the second comparison module is used for determining the limitation date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is the start date of the current overhaul or is between the start date of the current overhaul and the end date of the current overhaul;
and the second setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
In one possible implementation manner, the second determining module includes:
the third comparison module is used for determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date of the start date of the overhaul when the outline expiration date of the daily preventive maintenance work order is later than the end date of the overhaul;
and the third setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
In one possible implementation manner, the first determining module includes: the calculation module is used for determining the earliest completion date of the daily preventive maintenance work order according to the first expression and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a type one
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
In one possible implementation, the apparatus further includes:
and the judging module is used for determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type aiming at each work order.
The description of the above apparatus has been detailed in the description of the above method, and is not repeated here.
FIG. 2 is a block diagram illustrating a routine type preventive maintenance work order management device during a nuclear power plant overhaul according to an example embodiment. For example, the apparatus 1900 may be provided as a server. Referring to fig. 2, the device 1900 includes a processing component 1922 further including one or more processors and memory resources, represented by memory 1932, for storing instructions, e.g., applications, executable by the processing component 1922. The application programs stored in memory 1932 may include one or more modules that each correspond to a set of instructions. Further, the processing component 1922 is configured to execute instructions to perform the above-described method.
The device 1900 may also include a power component 1926 configured to perform power management of the device 1900, a wired or wireless network interface 1950 configured to connect the device 1900 to a network, and an input/output (I/O) interface 1958. The device 1900 may operate based on an operating system stored in memory 1932, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.
In an exemplary embodiment, a non-transitory computer readable storage medium, such as the memory 1932, is also provided that includes computer program instructions executable by the processing component 1922 of the apparatus 1900 to perform the above-described methods.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the present disclosure by utilizing the state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (14)
1. A method for managing a daily preventive maintenance work order during overhaul of a nuclear power plant, the method comprising:
acquiring the starting date and the ending date of the current overhaul;
acquiring the outline expiration date of each daily preventive maintenance work order generated during the next overhaul;
determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
and determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the starting date and the ending date of the current overhaul and the earliest finishing date and the latest finishing date of the daily preventive maintenance work order.
2. The method of claim 1, wherein determining the scheduling information of each daily type preventive maintenance work order according to the relationship between the outline expiration date of the preventive maintenance work order and the start date and the end date of the current overhaul, and the earliest completion date and the latest completion date of the daily type preventive maintenance work order comprises:
when the outline expiration date of the daily preventive maintenance work order is earlier than the start date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the end date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order;
and setting the limit condition of the daily preventive maintenance work order operation as the completion of the work order task is not later than the limit date.
3. The method of claim 1, wherein determining the scheduling information of each daily type preventive maintenance work order according to the relationship between the outline expiration date of the preventive maintenance work order and the start date and the end date of the current overhaul, and the earliest completion date and the latest completion date of the daily type preventive maintenance work order comprises:
determining the limitation date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is the starting date of the current overhaul or is between the starting date of the current overhaul and the ending date of the current overhaul;
the limit condition of the daily preventive maintenance work order operation is set to be no earlier than the limit date when the work order task starts.
4. The method of claim 1, wherein determining the scheduling information of each daily type preventive maintenance work order according to the relationship between the outline expiration date of the preventive maintenance work order and the start date and the end date of the current overhaul, and the earliest completion date and the latest completion date of the daily type preventive maintenance work order comprises:
when the outline expiration date of the daily preventive maintenance work order is later than the ending date of the current overhaul, determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date in the starting date of the overhaul;
the limit condition of the daily preventive maintenance work order operation is set to be no earlier than the limit date when the work order task starts.
5. The method of claim 1, wherein determining the earliest completion date and the latest completion date of each daily type preventative maintenance work order based on the outline expiration date of the daily type preventative maintenance work order comprises: determining the earliest completion date of the daily preventive maintenance work order according to the first expression, and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a type one
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
6. The method of claim 1, further comprising:
and for each work order, determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type.
7. A daily-type preventive maintenance work order management device during overhaul of a nuclear power plant, the device comprising:
the first acquisition module is used for acquiring the starting date and the ending date of the current overhaul;
the second acquisition module is used for acquiring the outline expiration date of each daily preventive maintenance work order generated in the current overhaul period;
the first determining module is used for determining the earliest completion date and the latest completion date of each daily preventive maintenance work order according to the outline expiration date of each daily preventive maintenance work order;
and the second determining module is used for determining the scheduling information of the daily preventive maintenance work order according to the relationship between the outline expiration date of each daily preventive maintenance work order and the starting date and the ending date of the current overhaul as well as the earliest finishing date and the latest finishing date of the daily preventive maintenance work order.
8. The apparatus of claim 7, wherein the second determining module comprises:
the first comparison module is used for determining the limiting date of the daily preventive maintenance work order as the ending date of the current overhaul and the earlier date in the latest completion date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is earlier than the starting date of the current overhaul;
the first setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the completion of the work order task is not later than the limit date.
9. The apparatus of claim 7, wherein the second determining module comprises:
the second comparison module is used for determining the limiting date of the daily preventive maintenance work order as the outline expiration date of the daily preventive maintenance work order when the outline expiration date of the daily preventive maintenance work order is the starting date of the current overhaul or is between the starting date of the current overhaul and the ending date of the current overhaul;
and the second setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
10. The apparatus of claim 7, wherein the second determining module comprises:
the third comparison module is used for determining the limit date of the daily preventive maintenance work order as the latest completion date of the daily preventive maintenance work order and the later date of the start date of the overhaul when the outline expiration date of the daily preventive maintenance work order is later than the end date of the overhaul;
and the third setting module is used for setting the limit condition of the daily preventive maintenance work order operation as that the start of the work order task is not earlier than the limit date.
11. The apparatus of claim 7, wherein the first determining module comprises: the calculation module is used for determining the earliest completion date of the daily preventive maintenance work order according to the first expression and determining the latest completion date of the daily preventive maintenance work order according to the second expression;
ED is DD-T × a type one
LD-T × b type two
The method comprises the steps of acquiring a daily preventive maintenance work order, wherein ED is the earliest completion date of the daily preventive maintenance work order, LD is the latest completion date of the daily preventive maintenance work order, DD is the outline expiration date T of the daily preventive maintenance work order, a is the probability that the daily preventive maintenance work order is completed in advance, and b is the probability that the daily preventive maintenance work order is completed later.
12. The apparatus of claim 7, further comprising:
and the judging module is used for determining the work order as a daily preventive maintenance work order when the preventive maintenance action field of the work order has a value and the preventive maintenance action of the work order is not associated with the overhaul type aiming at each work order.
13. A daily-type preventive maintenance work order management device during overhaul of a nuclear power plant, the device comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the method of any one of claims 1 to 6.
14. A non-transitory computer readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the method of any of claims 1 to 6.
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