US20020065749A1 - Maintenance information management system and method of providing a maintenance plan - Google Patents

Maintenance information management system and method of providing a maintenance plan Download PDF

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Publication number
US20020065749A1
US20020065749A1 US09/793,115 US79311501A US2002065749A1 US 20020065749 A1 US20020065749 A1 US 20020065749A1 US 79311501 A US79311501 A US 79311501A US 2002065749 A1 US2002065749 A1 US 2002065749A1
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United States
Prior art keywords
maintenance
parts
management database
concerning
user
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Abandoned
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US09/793,115
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English (en)
Inventor
Hiraku Ikeda
Seio Kanda
Tooru Horie
Toshiyuki Ueda
Kenzo Semba
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Hitachi Engineering and Services Co Ltd
Hitachi Ltd
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Hitachi Engineering and Services Co Ltd
Hitachi Ltd
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Assigned to HITACHI, LTD., HITACHI ENGINEERING & SERVICES CO., LTD. reassignment HITACHI, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IKEDA, HIRAKU, KANDA, SEIO, SEMBA, KENZO, UEDA, TOSHIYUKI, HORIE, TOORU
Publication of US20020065749A1 publication Critical patent/US20020065749A1/en
Priority to US10/745,522 priority Critical patent/US7177821B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06315—Needs-based resource requirements planning or analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G06Q10/0875—Itemisation or classification of parts, supplies or services, e.g. bill of materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Definitions

  • the present invention relates to a maintenance information management system for managing information on the maintenance of power generating plants or the like, as well as a method of providing a maintenance plan.
  • the maker stores and manages the inspection reports prepared by the engineers, and rearranges information necessary for the ensuing maintenance activities as technical data and supplies them to the user.
  • JP-A-11-85262 discloses a technique in which document information is managed in a centralized manner on the maker side, and information concerning a document is supplied to the user, as required.
  • JP-A-11-85262 referred to above that document information is managed in a centralized manner on the maker side, the publication is not aimed at providing to the user information on the estimation of aged deterioration in the future and a maintenance plan concerning facilities subject to maintenance on the basis of the maintenance information collected in the past.
  • a maintenance information management system comprising:
  • a parts management database for storing parts information on major parts making up a facility subject to maintenance owned by a user
  • a history management database for storing a history of inspection or replacement of the major parts concerning said parts management database
  • a planning management database for storing a maintenance plan concerning the major parts, the maintenance plan being made on the basis of estimation of a situation of aged deterioration in the future concerning the major parts on the basis of data stored in said parts management database and said history management database.
  • an advantage is offered in that it is possible to provide a maintenance information management system and a method of providing a maintenance plan which are capable of appropriately providing a maintenance plan for major component parts of facilities subject to maintenance.
  • FIG. 1 is a diagram illustrating a generating plant maintenance management system in accordance with an embodiment of the invention
  • FIG. 2 is a diagram illustrating the flow of information in a case where this embodiment is used
  • FIG. 3 is a diagram illustrating a specific method of implementation of the generating plant maintenance management system which is implemented by a maker
  • FIG. 4 is a diagram illustrating the flow of obtaining and inputting information in the generating plant maintenance management system
  • FIG. 5 is a diagram illustrating the link of information within the generating plant maintenance management system
  • FIG. 6 is a diagram illustrating the flow of operation for accessing each database from a Web server
  • FIG. 7 is a diagram illustrating a screen which is operated by a user and the maker
  • FIG. 8 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 9 is a diagram illustrating the flow of operation of a parts management database
  • FIG. 10 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 11 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 12 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 13 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 14 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 15 is a diagram illustrating the flow of operation of a records management database
  • FIG. 16 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 17 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 18 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 19 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 20 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 21 is a diagram illustrating the flow of operation of a history management database
  • FIG. 22 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 23 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 24 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 25 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 26 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 27 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 28 is a diagram illustrating a screen which is operated by the user and the maker
  • FIG. 29 is a diagram illustrating the flow of operation of a planning management database
  • FIG. 30 is a diagram illustrating the flow of operation of the planning management database
  • FIG. 31 is a diagram illustrating a screen which is operated by the user and the maker;
  • FIG. 32 is a diagram illustrating a screen which is operated by the user and the maker.
  • FIG. 33 is a diagram illustrating a screen which is operated by the user and the maker.
  • FIG. 1 illustrates a schematic configuration of a generating plant maintenance management system using a communication network in accordance with an embodiment of the invention.
  • a computer 2 a is installed as a terminal apparatus used by maintenance personnel in the power station A
  • a computer 2 b is installed as a terminal apparatus used by maintenance personnel in the power station B
  • a computer 2 c is similarly installed in the power station C.
  • These computers 2 a to 2 c are in a state in which communication with the outside is possible by using a communication line, e.g., in an environment in which the Internet 3 can be used.
  • the user 1 accesses a Web server 5 for users set up by a service provider.
  • a generating plant maintenance management system 6 which will be described later is built in this Web server 5
  • a fire wall 4 for allowing access to the generating plant maintenance management system 6 from predetermined users and preventing unauthorized access from others is also installed in the Web server 5 .
  • the generating plant maintenance management system 6 is configured by a processing program 7 for displaying a log-in screen and a menu screen and the like for starting the generating plant maintenance management system 6 and for fetching data, as well as a plurality of databases including a parts management database 8 which is a database concerning parts management information on a generating plant open to the public, a records management database 9 , a history management database 10 , and a planning management database 11 .
  • a service provider 13 (a generating plant maker) provides an engineer in charge of analytical operations in the maker with inspection reports brought back by engineers dispatched from the maker when maintenance activities concerning the user's power generating plants were carried out, or maintenance information concerning the relevant power station.
  • the engineer in charge conducts detailed analysis of the information including the submitted inspection reports and the like.
  • the engineer in charge at the maker fetches the information registered in the generating plant maintenance management system 6 through a computer 15 a for a turbine engineer and a computer 15 b for a generator engineer, who are clients of an intranet 12 .
  • the person in charge of turbines or generators registers through the intranet 12 the analyzed maintenance information in the various databases including the parts management database 8 to the planning management database 11 of the generating plant maintenance management system 6 , and communicates with a system manager that the registration has been made.
  • the system manager confirms through a computer 14 for a system manager that the data have been properly registered, and notifies the user through e-male or the like that the registration has been completed.
  • the user reads the maintenance information registered in the various databases of the generating plant maintenance management system 6 and analyzed by the maker, or downloads the data into the computers 2 a to 2 c at the power stations, so as to make effective use of such information on the generating plant in the maintenance activities.
  • the user is able to contact the service provider 13 and provide necessary information for the future maintenance activities such as information on malfunctions which occurred during the operation of the power generating plants owned by the user.
  • an engineer in charge in the service provider 13 e.g., a turbine engineer or a generator engineer
  • the information can be registered in the various databases including the parts management database 8 to the planning management database 11 of the generating plant maintenance management system 6 by using any one of the computers 2 a to 2 c of the power stations through the Internet 3 .
  • the maker registers not only the maintenance information provided by the user but also information requiring horizontal development due to malfunctions or the like occurring in other power generating plants in the various databases 8 to 11 of the generating plant maintenance management system 6 , and notification that such information has been registered is given to the system manager.
  • the system manager confirms that the data have been properly registered, and notifies the user through e-male or the like that new information has been registered.
  • FIG. 2 shows the flow of maintenance information at a time when the user engages in maintenance activities by using the generating plant maintenance management system using the communication network in accordance with this embodiment, and the maker provides engineering support for the user's maintenance activities.
  • an inspection report 18 is prepared in which the results of the inspection implemented by the user are written, and this inspection report is sent to a maker 19 who is a service provider.
  • the maker receives 20 the inspection report, and an engineer in charge analyzes 21 the data in the inspection report.
  • the engineer in charge effects the analysis of the information while making use of past maintenance information 23 on the relevant generating plant which is registered in a maintenance management system 22 and stored in, for example, the parts management database, the records management database, the history management database, and the planning management database, as well as design information 24 , inspection information 25 , manufacturing information 26 , and similar-model maintenance information 27 concerning the relevant generating plant, which are possessed by the maker.
  • the analyzed information is registered 28 a in the maintenance management system 22 by the engineer in charge. Further, the user engineer is also able to register 28 b the data in the databases of the maintenance management system 22 .
  • the user 16 accesses the maintenance management system 22 through the communication network, and during the implementation of the maintenance activities acquires 29 the past maintenance information being managed in the maintenance management system 22 , or makes effective use of the past information in the drafting 30 a of a plan for ensuing maintenance activities.
  • the details of the planned maintenance activities are presented 30 b to the user.
  • FIG. 3 shows specific technical contents at a time when the maker analyzes the maintenance activities to be provided to the user, and registers them in this system in accordance with the embodiment.
  • an engineer 32 in charge of each plant enters in the maintenance management system an inspection report 31 in which the results of maintenance activities concerning the generating plant carried out by the user are rearranged, the maker predicts the occurrence of malfunctions and the like and extract uninspected portions and weak-point portions by utilizing the past maintenance information on the relevant generating plant already registered and the information on similar generating plants possessed by other users.
  • the maker provides a guideline for optimum maintenance activities to the relevant generating plant.
  • the data of the inspection reports registered in a records management database 34 of this system are automatically transmitted to and stored in a history management database. Then, the trend of deterioration of the plant from the past to the present is grasped 37 by a trend management application 36 in the history management database, and a prediction 38 of the trend of future change calculated from its rate of change is made so as to automatically calculate inspection at an optimum timing or the period of replacing component parts. Information on that prediction is presented to the user.
  • the user As described above, as the maker provides various maintenance information to the user, the user is able to improve 50 the availability factor of the plants, ensure 51 high reliability, and reduce 52 the life cost of the generating plants.
  • FIG. 4 shows specific processing procedures in a case where the user obtains or inputs maintenance information by using the generating plant maintenance management system 6 . Namely, FIG. 4 describes the details of the processing program 7 shown in FIG. 1.
  • Step 001 The user starts an Internet browser (Step 001 ), accesses a designated Web server (Step 002 ), and logs in to the generating plant maintenance management system (Step 003 ).
  • a processing menu is selected (Step 004 ), and in a case where maintenance information is to be obtained, an information acquisition screen is opened (Step 005 ), and a database file in which information to be obtained concerning such as parts, records, history, and maintenance plans is stored is opened (Step 006 ). From the opened database file, the information is read, printed out, or downloaded into the user's personal computer, as required (Step 007 ).
  • Step 0075 When maintenance information is inputted by the user, the user opens an information input screen (Step 008 ) at the time of selecting the processing menu (Step 004 ), selects the name of equipment subject to input (Step 009 ), and opens a registered database file in which information to be inputted concerning such as parts, records, history, or maintenance plans is stored (Step 010 ). The user inputs information in the opened registration database file (Step 011 ). The inputted data is registered in the database (Step 012 ). Thus the data inputted by the user is registered through the internet in the generating plant maintenance management system managed by the maker.
  • the maintenance information is registered in steps similar to the aforementioned steps for the registration of the maintenance information by the user.
  • FIG. 5 shows the configuration of the generating plant maintenance management system which is applied to this embodiment, as well as the flow and link of information.
  • the generating plant maintenance management system is comprised of four databases including a parts management database 53 , a records management database 54 , a history management database 55 , and a planning management database 56 , which are linked to each other, whereby the information is provided to a related database.
  • parts used in the maintenance activities are managed by a stock management function provided in the parts management database
  • replacement parts information 57 is transmitted to the history management database 55
  • required-parts information 58 is transmitted to the planning management database 56 .
  • inspection results information 59 is automatically registered in the history management database 55 . Further, information which is determined to require inspection or parts replacement is registered in a maintenance work list of the planning management database 56 as required-work information 60 by trend management functions of the records management database 54 and the history management database 55 . As the maintenance information is thus linked to each other, information can be effectively utilized.
  • FIG. 6 shows the flow from the time the user or the maker in an example of practical application accesses the Web server and logs in until the user or the maker accesses each database.
  • the user starts the Internet browser and accesses the Web server.
  • the user logs in 61 , and inputs a password 62 possessed by an individual user.
  • the maker logs in 61 to the system through an intranet.
  • the system is started, and a start screen 63 is displayed, and if the name of the power station and a unit number are inputted, it is possible to proceed to a database selection screen 64 .
  • this database selection screen one of the four database names including parts management 65 , records management 66 , history management 67 , and planning management 68 is selected, and it is then possible to proceed to the database.
  • FIG. 7 shows an example of practical application of the start screen 63 of the system.
  • a power station name 69 and a unit number 70 which are selected from pulldown menus of the power station name and the unit number, are entered.
  • FIG. 8 shows an example of practical application of the database selection screen 64 .
  • the four database names of the parts management 65 , the records management 66 , the history management 67 , and the planning management 68 are shown in the left window of this screen, and an item to be accessed is selected from among them. If the database name is selected, equipment names 71 under large classification located in its lower layer are displayed in a pulldown menu, and if one equipment name is selected, it is possible to proceed to each database.
  • an equipment selection screen 1 ( 72 ) is displayed.
  • the arrangement provided is such that equipment under medium classification can be selected from a system diagram.
  • an equipment selection screen 2 ( 73 ) is displayed to allow equipemnt under small classification to be selected.
  • an assembly drawing/parts list 74 of equipment under small classification and its detailed parts list 75 can be viewed, and necessary information can be extracted or downloaded into the individual personal computer. Further, the quantities of parts in stock shown in the detailed parts list 75 show the latest information of the data managed by a spare parts management list 76 .
  • FIG. 10 shows an example of practical application of the equipment selection screen 1 ( 72 ). If one of equipment name buttons 77 under medium classification to be viewed is clicked in the system diagram on the screen, it is possible to proceed to a selection screen for selecting equipment under small classification concerning that equipment.
  • FIG. 11 shows an example of practical application of the equipment selection screen 2 ( 73 ). If one of name numbers 78 of equipment under small classification to be viewed is clicked in the list on the screen, it is possible to access parts management information concerning that equipment.
  • an assembly drawing or a cross-sectional view of the equipment is displayed in FIG. 12, whereby it is possible to confirm the configuration of the parts of the equipment and parts names. If it is desirous to obtain detailed information on the respective parts, one of parts numbers 79 in the assembly drawing or the cross-sectional view or one of parts numbers 80 in the parts list is clicked.
  • FIG. 13 shows an example practical application of detailed information 81 on parts.
  • the part selected on the previous screen is displayed by being differentiated in color 82 from other parts.
  • a stock column 83 on this screen the latest information is displayed by a parts stock management database which will be described later, so that the user or the maker is able to confirm the stock of parts of the equipment for which maintenance activities are to be implemented in the future, and the user is able to confirm the need for placing an order for necessary parts with the maker.
  • the maker is able to recommend parts necessary for the future maintenance activities. (Stock management is conventionally carried out on the user side, and there have been cases where a shortage of parts is confirmed immediately before or during the implementation of the maintenance activities, possibly causing a delay or prolongation of the maintenance activities.)
  • FIG. 14 shows an example of practical application of the parts stock management database.
  • a parts warehousing/delivery management list 84 is implemented by this database and makes it possible to confirm the parts which have been ordered and used by year as well as the present quantities of the stock.
  • FIG. 15 shows the flow in the case of accessing the records management database. If the records management 66 is accessed after selecting equipment under large classification in the flow described with reference to FIG. 6, an equipment selection screen 3 ( 85 ) similar to FIG. 8 concerning the parts management is displayed to allow the name of equipment under medium classification to be selected. If the equipment name is selected, the screen proceeds to a record sheet selection screen 86 displaying the names of record sheets concerning the relevant equipment, and a record to be inputted in or viewed can be selected from this screen.
  • Record sheets are largely classified into check sheets 87 and record sheets 88 .
  • the check sheets 87 are provided to grasp the contents of the overall activities carried out for the relevant equipment during the maintenance activities. During inputting, the presence or absence of the implementation of detailed items of work, their results, and whether the results were satisfactory or unsatisfactory are entered.
  • a history input sheet is automatically displayed. Detailed information on the maintenance activities, photographs taken or sketches drawn during the maintenance activities, and the like can be stored in this sheet. This data is automatically sent to the history management database as history management information which will be described later, and as for the items to be reflected on the future maintenance activities, it is possible to allow information to flow to a maintenance plan.
  • data to be viewed can be selected from a pulldown menu displaying the year/month of implementation of activities on the screen, thereby allowing past data 91 to be viewed freely.
  • the past data 91 is softwarewise locked to prevent input to or correction of the past data.
  • the record sheet 88 is used for inputting and storing inspected and measured data in the maintenance activities.
  • the data inputted in this record sheet 88 is linked so that it can be utilized as trend management data in history management which will be described later. Further, when past data 92 is to be viewed, viewing is possible in a procedure similar to that for the check sheet.
  • FIG. 16 shows an example of practical application of the record sheet selection screen 86 . If a number 93 on the screen is clicked, it is possible to proceed to a record sheet to be inputted in or viewed.
  • FIG. 17 shows an example of practical application of the check sheet 87 for equipment maintenance activities.
  • a list of items 94 of maintenance activities to be implemented in the maintenance activities is shown, and the presence or absence 95 of implementation of the detailed items of work, their results 96 , and whether the results were satisfactory or unsatisfactory 97 are entered.
  • the results can be automatically registered in the history management database which will be described later.
  • FIG. 18 shows a history input sheet for registering maintenance data in the history management database. This sheet is provided for each detailed item of work of the aforementioned check sheet, and when the input of data in the check sheet is completed, the sheet is automatically displayed. During the input in the history input sheet, input is automatically made in a unit number 98 and the name 99 of equipment under medium classification which have already been set. In addition, input is also automatically made in a year/month 100 of implementation of inspection, the equipment name 101 under small classification, parts name 102 , work/inspection name 103 . If the results of inspection are satisfactory, no input is made in phenomena 104 , cause 105 , and countermeasure 106 , and a display is given in a comments column 107 that there is no abnormality.
  • an inputter desires to add comments or input a bit-map file 108 such as a photograph or a related record 109 , registration is made by inputting its file name. If the results were unsatisfactory, the data inputter is able to input in the phenomena 104 , the cause 105 , and the countermeasure 106 by selecting from their pulldown menus, and also inputs in the comments column 107 , the bit-map file 108 such as a photograph, and the related record 109 . These items of information are registered as the history data. In addition, if the results are those of items to be implemented on a continuous basis in the future maintenance activities, the data can be also registered in the maintenance plan by clicking a reflection button 110 .
  • FIG. 20 is one example of the record sheet.
  • the results of inspection are entered in a record input sheet 114 .
  • viewing is possible by selecting the year/month of implementation of activities in a registered data column 115 at upper right on the screen.
  • the data registered in FIG. 20 are stored as a record of maintenance activities in the database, and are also utilized as information on trend management in the history management database. A detailed description will be given of this information in the item on trend management.
  • FIG. 21 the flow in the case of accessing the history management database is shown in FIG. 21. If the history management 67 is accessed after selecting equipment under large classification in the flow described with reference to FIG. 6, an equipment selection screen 4 ( 117 ) is displayed to allow the name of equipment under medium classification to be selected.
  • the operation proceeds to the history item selection screen 117 concerning the relevant equipment. From this screen, a history item to be viewed is selected.
  • the equipment is not classified into small groups of classification in the manner of the parts management and the records management, and the operation proceeds to a screen to be viewed by using the history management menu.
  • the reason for this is that there are items of maintenance information which are related to each other among the medium groups of classification.
  • the history items include history list selection 118 , technical data 119 , and data trend selection 120 , a search code corresponding to each equipment is related to the history list selection 118 , and search is possible by designating a code, so that it is possible to proceed to a detailed chart 121 of the registered data.
  • a list is displayed, and it is possible to proceed to individual technical data 122 from its number. If the trend selection 120 is selected, a trend graph 123 on the item being managed is displayed, and by clicking a trend prediction button on the graph screen, a graph of trend prediction 124 is displayed.
  • FIG. 22 shows an example of practical application of the history item selection screen 117 . If a number 125 in the list on the screen is clicked, it is possible to proceed to the history list 118 , the technical data 119 , and the data trend 120 .
  • FIG. 23 shows an example of practical application of the history list 118 .
  • a column 126 for designating a code for search is provided in an upper portion of the screen, and if an item to be confirmed is code-searched, the user or the maker is able to view a history list 127 .
  • FIG. 25 shows an example of practical application of a list screen when it is desirous to access technical data.
  • a code search column 132 it is possible to select an item to be viewed by using a code search column 132 , and the results of search are displayed in a list 133 . Further, if an item is clicked, the details of the technical data can be viewed.
  • FIG. 26 shows an example of practical application of a menu screen of data trend. If a number 134 in the menu is clicked, it is possible to proceed to a trend graph.
  • FIG. 27 shows one example in which items of trend management necessary for the maintenance activities of various equipment are shown in a graph 135 . Consequently, it is possible to graph the trend of change of the state of use of the equipment and provide information for the planning of maintenance activities.
  • FIG. 28 shows an example of practical application of the trend prediction screen.
  • This trend prediction screen has the function of automatically calculating and displaying dates which exceed the management values set in the graph. Consequently, the user is able to plan maintenance activities more efficiently, and the maker is able to easily present and recommend technical data corresponding to the information.
  • FIG. 29 the flow in the case of accessing the planning management database is shown in FIG. 29. If the planning management 68 is accessed after selecting equipment under large classification in the flow described with reference to FIG. 6, an equipment selection screen 5 ( 137 ) is displayed to allow the name of equipment under medium classification to be selected.
  • the operation proceeds to a planning item selection screen 138 concerning the relevant equipment, and a planning item to be viewed is selected.
  • the operation does not proceed to the classification of equipment into small groups in the same way as the history management, and the operation proceeds to a screen to be viewed by using the planning item menu.
  • the reason for this is that there are items of maintenance plan information which are related to each other among the medium groups of classification.
  • Planning items include a maintenance plan list 139 in which work plan items registered in the record management and the history management are displayed in the form of a list, a customer input 140 for inputting a work plan drafted voluntarily by the user, and a yearly maintenance plan 141 in which work items are registered by year. If the year of implementation is designated in the maintenance plan list 139 , and if the year of implementation is designated in the customer input 140 , automatic registration can be made in the yearly maintenance plan 141 .
  • FIG. 30 shows an example of practical application of the planning item selection screen. If a number 142 in the menu is clicked, the operation proceeds to a screen to be viewed or inputted in.
  • FIG. 31 shows an example of practical application of the maintenance plan list.
  • a list of maintenance activities to be implemented in the future is displayed in this list.
  • the user studies which work is to be carried out during the period of maintenance activities in the future, and clicks a number 143 of the registered work item. Further, if the user designates a scheduled period of implementation in a year/month window 144 in an upper portion of the screen, and clicks a registration button 145 , registration can be made in the yearly maintenance plan list.
  • FIG. 32 shows an example of practical application of the customer input.
  • the user registers the work item on this screen. If the user clicks a number 146 of the registered work item, designates a scheduled period of implementation in a year/month window 147 in an upper portion of the window, and clicks a registration button 148 , registration can be made in the yearly maintenance plan list.
  • FIG. 33 shows an example of a screen which displays a list of maintenance activities registered by year.
  • the user and the maker are able to grasp the contents of maintenance activities to be implemented in the future, and the user carries out the drafting of detailed schedules of maintenance activities and the arrangement for necessary parts.
  • the maker is able to grasp the operation and parts arranged for by the user and proceed with the plan, and if there is any shortage of work in the maintenance activities scheduled by the user, the maker makes a recommendation or a proposal.
  • maintenance information concerning generating plants owned by the user is formed into databases on the maker side, and the user accesses via the communication network the plant management system managed by the maker, thereby making it possible to speedily obtain orderly rearranged maintenance information accurately and easily.
  • the customer's maintenance activities it becomes possible for the customer's maintenance activities to be implemented efficiently.
  • the input and management of data are carried out by the maker who acts as a principal entity, the input is made possible from the user side as well, as necessary.
  • both the user and the maker share the maintenance information on the facilities, it becomes possible to make effective use of the information mutually and implement the maintenance activities of the facilities smoothly and rationally.
  • the maker is able to easily grasp from the system how the user is operating the generating plants and what maintenance plans have been drafted, so that the arrangement for parts necessary for maintenance activities, planning for dispatching engineers, and the like can be conducted efficiently. Accordingly, business merits based on the exchange of maintenance information are produced for both parties, added values in information corresponding to the quality and quantity of information are produced, and information service business is established.
  • the user since the results of implementation of the maintenance activities are stored as databases, with respect to malfuctions and the like which could be confirmed during the operation or inspection of the generating plants, the user is able to readily search, for example, what similar malfunctions occurred in the past and what countermeasures were taken. Therefore, the user is able to deal with their countermeasure operations in a short period of time, and reduce the period of shutdown of the operating plants, thereby making it possible to improve the availability factor.
  • the management of information on the generating facilities owned by the user can be managed by the maker having detailed technical information on the generating plants, and the user is able to view reliably maintained data, when necessary. Consequently, it is possible to implement highly reliable maintenance activities efficiently, and improve the job efficiency of user engineers in charge of the maintenance activities. Meanwhile, the maker is able to share with the user the maintenance information concerning the generating plants owned by the user, and is able to reliably grasp the maintenance activities which the user intends to implement, permitting appropriate technical support.

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US9348332B2 (en) 2011-03-29 2016-05-24 Mitsubishi Electric Corporation Abnormality diagnosis device and abnormality diagnosis system for servo control device
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WO2015123547A1 (en) * 2014-02-13 2015-08-20 Carl Bjornson Cataloging, surveying, monitoring and maintaining mechanical equipment
CN104463446A (zh) * 2014-11-28 2015-03-25 东莞中国科学院云计算产业技术创新与育成中心 一种基于案例推理的应急预案评估系统运行方法
CN107679631A (zh) * 2017-09-30 2018-02-09 东莞新奥燃气有限公司 一种养护方案的制定方法及运营管理平台
US11073823B2 (en) 2018-01-31 2021-07-27 Fanuc Corporation Robot and robot maintenance timing notification method
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CN110874913A (zh) * 2018-09-03 2020-03-10 爱斯佩克株式会社 信息管理系统以及方法、终端装置、服务器以及记录介质
CN110046825A (zh) * 2019-04-23 2019-07-23 北京恒冠网络数据处理有限公司 一种基于大数据的高价值专利分析管理系统

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CA2337970A1 (en) 2002-01-21
CN1335559A (zh) 2002-02-13
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US7177821B2 (en) 2007-02-13
EP1178417A3 (en) 2003-05-28

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