CN113392988B - Maintenance file management method for paperless operation of hydropower plant - Google Patents
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Abstract
The invention discloses a maintenance file management method for paperless operation of a hydropower plant, which comprises the following steps: collecting related data information of historical overhaul files, and establishing an overhaul knowledge base; inputting collected equipment fault information, retrieving by using keywords to obtain a fault overhaul file packet matched with the equipment fault information, and automatically pushing the equipment type; judging whether the equipment type accords with the equipment type of the collected fault information, if so, overhauling the fault equipment according to the content of the fault overhauling file packet; in the overhaul process, an expert system and a machine learning strategy are combined, and overhaul process and flow suggestions are pushed and optimized in real time by horizontally and longitudinally comparing three indexes of overhaul quality, progress and efficiency; and after the overhaul is finished, the overhaul data is input into an overhaul knowledge base in real time, and the overhaul knowledge base data is updated, so that paperless management of overhaul files is realized. The invention can normalize file management by an intelligent management means, thereby improving management efficiency and reducing cost.
Description
Technical Field
The invention relates to the technical field of intelligent manufacturing, in particular to a maintenance file management method for paperless operation of a hydropower plant.
Background
In recent years, a series of management and control methods taking an overhaul file package as a core are formed in overhaul operation management of a hydropower plant, so that the hydropower plant has become a powerful guarantee for unit overhaul safety, quality, construction period and cost coordination control, and plays an important role in overhaul standardization management.
The signature confirmation of all nodes of the overhaul flow and the data recording and calculation in overhaul of the hydroelectric generating set in the whole overhaul process at present need a large amount of paper files, manual work is needed to finish the process, management efficiency is low, and cost is high. Therefore, the invention provides a maintenance file management method for paperless operation, and constructs a digital maintenance whole-process intelligent management method for a hydroelectric generating set, which is used for solving the technical problems of low maintenance operation file management efficiency and high management cost of a hydroelectric generating set in the prior art, so that file management is standardized.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-described problems occurring in the prior art.
Therefore, the technical problems solved by the invention are as follows: the prior art scheme needs manual work to accomplish, and management efficiency is lower, and the cost is higher, and intelligent level is low.
In order to solve the technical problems, the invention provides the following technical scheme: collecting related data information of historical overhaul files, and establishing an overhaul knowledge base; inputting collected equipment fault information, retrieving by using keywords to obtain a fault overhaul file packet matched with the equipment fault information in the overhaul knowledge base, and automatically pushing equipment types; judging whether the equipment type accords with the equipment type of the collected fault information, if so, overhauling the fault equipment according to the content of the fault overhauling file packet; in the overhaul process, an expert system and a machine learning strategy are combined, and overhaul process and flow suggestions are pushed and optimized in real time by horizontally and longitudinally comparing three indexes of overhaul quality, progress and efficiency; and after the overhaul is finished, inputting overhaul data into the overhaul knowledge base in real time, and updating the overhaul knowledge base data to realize paperless management of overhaul files.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the overhaul knowledge base comprises an equipment ledger, an overhaul standard, an overhaul template, an overhaul case and an intelligent expert.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the overhaul file package comprises an overhaul plan: taking an automatically generated overhaul plan network diagram as a main line, configuring nodes of equipment, materials, tools, personnel, construction periods and milestones involved in the plan according to the nodes of the network diagram, decomposing overhaul tasks step by step, and establishing a tree-shaped overhaul task list; and (3) overhauling the data packet: centralized management of all drawing data, overhaul recording files, operation data of the last year, important defect processing reports, overhaul standards, quality inspection points and inspection sheets of an overhaul unit; overhauling materials: automatically generating a purchasing plan of spare parts, materials and tools; and inputting the factory name, the unit code and the overhaul level, and automatically generating a set of standard overhaul file package.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the intelligent expert comprises the steps of generating a plurality of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy; based on the related expert contact ways of each industry, the system is connected with a remote diagnosis expert system, on-line sends on-site data and on-line communication consultation, and related relatives and suggestions are automatically provided according to an expert system fault diagnosis module.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: generating a plurality of sets of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy comprises the steps of establishing a fault diagnosis model; with the probability of occurrence of the fault minimized as an objective function.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the objective function may comprise a function of the object,
wherein m represents a constant coefficient, n represents an iteration coefficient, y (k) The function of the optimization is represented as such,
representing the efficiency factor, x (k) Representing quality factor(s)>
Representing a fault occurrence probability value, t representing time.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: constraints of the fault diagnosis model include,
as a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the method comprises the steps of intuitively displaying the overhaul progress by using the echartis chart software and carrying out project change by carrying out deviation statistics on project lead or lag.
As a preferable scheme of the maintenance file management method for paperless operation of the hydropower plant, the invention comprises the following steps: the method comprises the steps of selecting an overhaul template to edit online through online editing software pageoffice, storing and modifying the overhaul data, and updating the overhaul knowledge base data.
The invention has the beneficial effects that: the file management is standardized by an intelligent management means, so that the management efficiency is improved and the cost is reduced.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a basic flow diagram of a maintenance file management method for paperless operation of a hydropower plant according to an embodiment of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present invention have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1, for one embodiment of the present invention, there is provided a service file management method for paperless operation of a hydropower plant, including:
s1: collecting related data information of historical overhaul files, and establishing an overhaul knowledge base; it should be noted that the number of the substrates,
the overhaul knowledge base comprises an equipment ledger, an overhaul standard, an overhaul template, an overhaul case and an intelligent expert.
The equipment ledger is characterized in that equipment static information such as an equipment operation maintenance manual, an overhaul procedure, an operation file and the like is associated with the mobile APP end, and meanwhile, the equipment static information is associated with dynamic information such as equipment operation, overhaul, abnormal movement, decommissioning and the like, so that the equipment full life cycle data management ledger is formed. The maintenance ledger is mainly a file management function, and takes account of the fact that all units of the hydropower plant need to carry out full life cycle management (design data, manufacturing data, installation data, operation data, past year maintenance test reports, fault reports and the like) and fragmentation and dispersion of information data, when maintenance is carried out, historical data inquiry is difficult, and meanwhile on-site maintenance staff collect data, labor and time are wasted, so that human resource efficiency is low. The method comprises the steps of establishing an overhaul stand account library, classifying, collecting and sorting according to each factory of a river basin, storing relevant design data, manufacturing data, installation data, operation data, annual overhaul test reports, fault reports, large-scale technical improvement reports and the like of the machine set according to the machine set by the factory, realizing automatic storage, intelligent retrieval and automatic reading, and performing a historical data supporting function for other steps, wherein the historical data supporting function comprises time, river basin codes, power plant codes, stand account types, overhaul equipment parameters, overhaul records and accessory attributes.
The overhaul standard comprises national standards, industry standards, various regulations, various specifications, various operation instruction books, various technical manuals, various overhaul test technical supervision guidelines, various overhaul related management methods, various mechanical and electrical related regulations, other industry related data and the like, and comprises time, equipment types, accessories and other attributes. The overhaul template is a standard template established according to the overhaul level classification of the unit, has the functions of adjustable downloading, automatic reading, automatic input modification and the like, comprises all the standard templates used before overhaul, including general drawings and special drawings which need to be processed in overhaul, and the like, strengthens factory quota management through the module, realizes the overhaul standardized management requirement, wherein the aspects of spare parts, tools and bill of materials are connected with an overhaul management and control system, and realizes the automatic comparison and investigation function before overhaul, and the overhaul template comprises the attributes of unit type, overhaul level, overhaul items, accessories and the like. The overhaul case is mainly a file management function, accidents occurring in overhaul over the years are collected, the purpose of case collection and intelligent retrieval is achieved, support is provided for intelligent specialists, the overhaul case is further connected with a remote diagnosis platform, related overhaul and maintenance cases in a diagnosis platform case library are extracted, the overhaul case can also comprise typical technical problems, technical improvements, innovative technologies and other cases encountered in the overhaul process, overhaul personnel can access, retrieve and input the overhaul case in real time and in the field through a PC end and a mobile APP end, the input overhaul case must be complete (comprising related text introduction, data, pictures or video data and the like), the overhaul case must be checked by related professional technicians after uploading, and the qualified overhaul case library can be entered after passing through the overhaul case library and comprises time, power plant codes, unit codes, equipment codes, overhaul projects, key technologies, accessories and other attributes.
S2: inputting collected equipment fault information, retrieving by using keywords to obtain a fault overhaul file packet matched with the equipment fault information in an overhaul knowledge base, and automatically pushing equipment types; it should be noted that the number of the substrates,
the overhaul file package comprises a file storage device,
maintenance planning: taking an automatically generated overhaul plan network diagram as a main line, configuring nodes of equipment, materials, tools, personnel, construction periods and milestones involved in the plan according to the nodes of the network diagram, decomposing overhaul tasks step by step, and establishing a tree-shaped overhaul task list;
and (3) overhauling the data packet: centralized management of all drawing data, overhaul recording files, operation data of the last year, important defect processing reports, overhaul standards, quality inspection points and inspection sheets of an overhaul unit;
overhauling materials: automatically generating a purchasing plan of spare parts, materials and tools;
and inputting the factory name, the unit code and the overhaul level, and automatically generating a set of standard overhaul file package.
Further, the device type parameters include type number, type name, ordering, availability, and deletion of attributes.
S3: judging whether the equipment type accords with the equipment type of the collected fault information, if so, overhauling the fault equipment according to the content of the fault overhauling file packet; it should be noted that the number of the substrates,
when the information is consistent, the auditing is passed, the manager performs online signature confirmation, and the manager can enter the next stage after confirmation.
S4: in the overhaul process, an expert system and a machine learning strategy are combined, and overhaul process and flow suggestions are pushed and optimized in real time by horizontally and longitudinally comparing three indexes of overhaul quality, progress and efficiency; it should be noted that the number of the substrates,
the intelligent expert includes a computer program product,
generating a plurality of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy;
based on the related expert contact ways of each industry, the system is connected with a remote diagnosis expert system, on-line sends on-site data and on-line communication consultation, and related relatives and suggestions are automatically provided according to an expert system fault diagnosis module.
The intelligent overhaul scheme generating a plurality of sets of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy comprises the following steps:
establishing a fault diagnosis model;
with the probability of occurrence of the fault minimized as an objective function.
The objective function includes the function of the object,
wherein m represents a constant coefficient, n represents an iteration coefficient, y (k) The function of the optimization is represented as such,
representing the efficiency factor, x (k) Representing quality factor(s)>
Representing a fault occurrence probability value, t representing time.
Constraints of the fault diagnosis model include,
the method comprises the steps of intuitively displaying the overhaul progress by using the echartis chart software and carrying out project change by carrying out deviation statistics on project lead or lag.
S5: inputting overhaul data into an overhaul knowledge base in real time after overhaul is completed, updating the overhaul knowledge base data, and realizing paperless management of overhaul files; it should be noted that the number of the substrates,
and selecting an overhaul template to edit, store and modify overhaul data on line through online editing software pageoffice, and updating overhaul knowledge base data, wherein an approver can select pass and reject submitted applications during online inspection, and completion data archiving can be performed after layer-by-layer approval is ensured to be qualified.
The invention adopts an intelligent overhaul file management method, has the function of automatically generating overhaul data packets, can perform centralized management on discrete information such as overhaul standard, quality inspection point, inspection receipt and the like, and can realize paperless intelligent management of unit overhaul.
Example 2
In order to verify and explain the technical effects adopted in the method, the traditional technical scheme and the method are adopted for comparison test, and the test results are compared by means of scientific demonstration to verify the true effects of the method.
The traditional technical scheme is as follows: the management efficiency is low and the cost is high. To verify that the method has higher management efficiency and lower cost than the traditional method. In the embodiment, the conventional manual operation method and the method are adopted to respectively measure and compare the arrangement efficiency, cost and standardization degree of the overhaul files in real time.
Test environment: and taking the file to be overhauled as a test sample, and respectively managing overhauling operation by using manual operation of the traditional method and obtaining test result data. By adopting the method, automatic test equipment is started, MATLB software programming is used for realizing the simulation test of the method, and simulation data are obtained according to experimental results. Each method tests 10 sets of data, and calculates the time spent, cost, and degree of normalization required to obtain each set of data, with the results shown in the following table:
table 1: comparison table of experimental results.
As can be seen from the table above, the method of the invention has a great improvement in efficiency and cost saving compared with the conventional method.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (3)
1. A maintenance file management method for paperless operation of a hydropower plant is characterized by comprising the following steps:
collecting related data information of historical overhaul files, and establishing an overhaul knowledge base;
the overhaul knowledge base comprises an equipment ledger, an overhaul standard, an overhaul template, an overhaul case and an intelligent expert;
inputting collected equipment fault information, retrieving by using keywords to obtain a fault overhaul file packet matched with the equipment fault information in the overhaul knowledge base, and automatically pushing equipment types;
the overhaul file package comprises a file storage device,
maintenance planning: taking an automatically generated overhaul plan network diagram as a main line, configuring nodes of equipment, materials, tools, personnel, construction periods and milestones involved in the plan according to the nodes of the network diagram, decomposing overhaul tasks step by step, and establishing a tree-shaped overhaul task list;
and (3) overhauling the data packet: centralized management of all drawing data, overhaul recording files, operation data of the last year, important defect processing reports, overhaul standards, quality inspection points and inspection sheets of an overhaul unit;
overhauling materials: automatically generating a purchasing plan of spare parts, materials and tools;
inputting a factory name, a unit code and an overhaul level, and automatically generating a set of standard overhaul file packet;
judging whether the equipment type accords with the equipment type of the collected fault information, if so, overhauling the fault equipment according to the content of the fault overhauling file packet;
in the overhaul process, an expert system and a machine learning strategy are combined, and overhaul process and flow suggestions are pushed and optimized in real time by horizontally and longitudinally comparing three indexes of overhaul quality, progress and efficiency;
the intelligent expert comprises a computer program product,
generating a plurality of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy;
based on the related expert contact ways of each industry, the system is connected with a remote diagnosis expert system, on-line sends on-site data and on-line communication consultation, and related conclusions and suggestions are automatically provided according to an expert system fault diagnosis module;
the generation of multiple sets of intelligent overhaul schemes based on different constraint conditions by utilizing big data and a machine learning strategy comprises,
establishing a fault diagnosis model;
taking the minimization of the occurrence probability of the fault as an objective function;
the objective function may comprise a function of the object,
wherein m represents a constant coefficient, n represents an iteration coefficient, y (k) Represents an optimization function, θ t Representing the efficiency factor, x (k) Representing a quality factor, P (θ) representing a fault occurrence probability value, and t representing time;
constraints of the fault diagnosis model include,
0.55<θ t ≤1；
and after the overhaul is finished, inputting overhaul data into the overhaul knowledge base in real time, and updating the overhaul knowledge base data to realize paperless management of overhaul files.
2. The maintenance file management method for paperless operation of a hydropower plant according to claim 1, wherein: the method comprises the steps of intuitively displaying the overhaul progress by using the echartis chart software and carrying out project change by carrying out deviation statistics on project lead or lag.
3. The maintenance file management method for paperless operation of a hydropower plant according to claim 2, wherein: the method comprises the steps of selecting an overhaul template to edit online through online editing software pageoffice, storing and modifying the overhaul data, and updating the overhaul knowledge base data.
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