WO2016163003A1 - Système et procédé de gestion d'actifs - Google Patents

Système et procédé de gestion d'actifs Download PDF

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Publication number
WO2016163003A1
WO2016163003A1 PCT/JP2015/061110 JP2015061110W WO2016163003A1 WO 2016163003 A1 WO2016163003 A1 WO 2016163003A1 JP 2015061110 W JP2015061110 W JP 2015061110W WO 2016163003 A1 WO2016163003 A1 WO 2016163003A1
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Prior art keywords
scenario
data
asset
maintenance
repair
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English (en)
Japanese (ja)
Inventor
貴志 住吉
裕也 小松
森田　豊久
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Hitachi Systems Ltd
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Hitachi Systems Ltd
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Priority to PCT/JP2015/061110 priority Critical patent/WO2016163003A1/fr
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/08—Construction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services

Definitions

  • the present invention relates to an asset management system and asset management method for managing various public assets such as civil engineering and architecture, and in particular, an asset management system capable of comparing the effects of changes in maintenance management methods according to the types of public assets and It relates to asset management methods.
  • a computer system for efficiently maintaining and managing public assets needs a function to analyze the life cycle cost of public assets and reduce the cost and efficiency of the entire asset management business.
  • This computer system provides managers with an objective and systematic analysis that clarifies future asset maintenance methods as scenarios, performs life cycle cost analysis according to the maintenance method, and derives low-cost scenarios. It is desirable to do.
  • Asset management manages a lot of data such as asset ledger and inspection ledger, and analysis based on these data is necessary. For this reason, in recent years, various computer systems that support asset management operations of local governments have been developed. The following patent documents can be cited as documents describing various computer systems that support the asset management business.
  • Patent Document 1 states that “the management of inspection information, maintenance information and energy consumption for each building / equipment is performed to diagnose the remaining life for maintenance and the failure diagnosis at the time of failure. Can be saved, made uniform, and can be comprehensively managed and comprehensively diagnosed. "
  • Patent Document 3 states that “data to be exchanged between a risk-revenue management apparatus installed in a concentrated manner and geographically dispersed user terminals is compressed and encrypted, and each user or each managed asset And an output result based on a different method or different criteria for each user or each asset to be managed is sent from the risk / revenue management device to the user terminal ”.
  • the conventional asset management system has a problem in that it cannot perform verification before actual operation of asset management using sensor technology for various types of assets.
  • An object of the present invention is to provide an asset management system and an asset management method that can handle various types of assets in an integrated manner, change the maintenance method for each asset, and compare the effects of the change. .
  • Another object of the present invention is to provide an asset management system and an asset management method that enable a user to easily grasp the status of various assets and to easily compare the effects of the transition of maintenance management methods in terms of cost. Is to provide.
  • the present invention comprises an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset;
  • First scenario asset data in which attribute information including a maintenance method according to the first scenario for the asset is stored;
  • Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored;
  • Repair plan data including first scenario repair plan data storing repair plan information corresponding to the first scenario for the asset;
  • Store An asset management system in which a computing device calculates a life cycle cost according to each maintenance method for public assets,
  • the management plan creation program refers to asset data and inspection data, and for each asset in the asset data, first scenario repair plan data including annual repair costs according to the maintenance management method specified by the first scenario.
  • the first feature is to execute the first step of creating
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a maintenance scenario comparison program for creating and comparing maintenance scenarios for a plurality of maintenance methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset; Attribute information of the first scenario asset data in which attribute information including a maintenance management method corresponding to the first scenario for the asset is stored, and asset data change points according to a second scenario in which the maintenance management method is different from the first scenario Asset data including the second scenario asset data in which is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; Maintenance management data including first scenario maintenance management data corresponding to the first scenario including the cost required for inspection to maintain the asset and second scenario maintenance management data corresponding to the second scenario; First scenario repair plan data for
  • a user interface program that controls the user interface screen for designating life cycle cost and maintenance scenario comparison, specifying the analysis start year and maintenance method for the asset specified by the user,
  • An asset management system in which a computing device calculates a life cycle cost according to each maintenance method for public assets, First scenario repair plan data including annual repair costs according to the maintenance management method designated by the first scenario and the second scenario, with reference to the asset data, the inspection data, and the maintenance data.
  • the life cycle cost calculation program totals the repair costs of the first scenario repair plan data and the second scenario repair plan data for each year created in the first step, and is specified by the first scenario and the second scenario.
  • Execute the second step of calculating the life cycle cost of the first scenario and the second scenario of the maintenance management method A second feature is that the maintenance management scenario comparison program executes a third step of displaying the life cycle costs of the first scenario and the second scenario calculated in the second step on the output device.
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each maintenance management method of state monitoring maintenance, time planned maintenance, and subsequent maintenance for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset;
  • a maintenance scenario comparison program that creates and compares maintenance scenarios according to each maintenance management method of state monitoring maintenance, time plan maintenance, and subsequent maintenance for specified assets, Attribute information of the first scenario asset data in which attribute information including a maintenance management method corresponding to the first scenario for the asset is stored, and asset data change points according to a second scenario in which the maintenance management method is different from the first scenario Asset data including the second scenario asset data in which is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; First scenario repair plan data for storing repair plan information according to the first scenario for the asset, and second scenario repair plan data for storing repair
  • a user interface program that controls the user interface screen for designating life cycle cost and maintenance scenario comparison, specifying the analysis start year and maintenance method for the asset specified by the user,
  • An asset management system in which a computing device calculates a life cycle cost corresponding to each maintenance management method of state monitoring maintenance, time plan maintenance, and subsequent maintenance for public assets,
  • First scenario repair plan data including annual repair costs according to the maintenance management method designated by the first scenario and the second scenario, with reference to the asset data, the inspection data, and the maintenance data.
  • the life cycle cost calculation program totals the repair costs of the first scenario repair plan data and the second scenario repair plan data for each year created in the first step, and is specified by the first scenario and the second scenario.
  • Execute the second step of calculating the life cycle cost of the first scenario and the second scenario of the maintenance management method A third feature is that the maintenance management scenario comparison program executes a third step of displaying the life cycle costs of the first scenario and the second scenario calculated in the second step on the output device.
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a maintenance scenario comparison program for creating and comparing maintenance scenarios for a plurality of maintenance methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset; Changes in the first scenario asset data in which the attribute information including the asset management group and the asset management group according to the first scenario for the asset is stored, and the asset data in accordance with the second scenario in which the maintenance method differs from the first scenario.
  • Asset data including the second scenario asset data in which the attribute information is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; Maintenance management data including first scenario maintenance management data corresponding to the first scenario including the cost required for inspection to maintain the asset and second scenario maintenance management data corresponding to the second scenario; First scenario repair plan data for storing repair plan information according to the first scenario for the asset, and second scenario repair plan data for storing repair plan information according to a second scenario having a different maintenance management method from the first scenario.
  • Including repair plan data Maintenance data including maintenance data according to the scenario including the cost required for inspection to maintain the asset;
  • a management plan creation program that aggregates the maintenance data by asset group or year;
  • a user interface program that controls the user interface screen for designating life cycle cost and maintenance scenario comparison, specifying the analysis start year and maintenance method for the asset specified by the user,
  • An asset management system in which a computing device calculates a life cycle cost according to each maintenance method for public assets, First scenario repair plan data including annual repair costs according to the maintenance management method designated by the first scenario and the second scenario, with reference to the asset data, the inspection data, and the maintenance data.
  • the life cycle cost calculation program totals the repair costs of the first scenario repair plan data and the second scenario repair plan data for each year created in the first step, and is specified by the first scenario and the second scenario.
  • the management plan creation program executes a fourth step of creating maintenance management data in which life cycle costs of the first scenario and the second scenario calculated in the second step are aggregated for each asset group and year,
  • a fourth feature is that the maintenance management scenario comparison program executes a fifth step of displaying the maintenance management data of the first scenario and the second scenario calculated in the fourth step on the output device.
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset;
  • First scenario asset data in which attribute information including a maintenance method according to the first scenario for the asset is stored;
  • Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored;
  • Repair plan data including first scenario repair plan data storing repair plan information corresponding to the first scenario for the asset;
  • First scenario repair plan data including annual repair costs according to the maintenance management method specified by the first scenario for each asset in the asset data with reference to asset data and inspection data in the management plan creation program
  • the fifth feature is that the first step
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a maintenance scenario comparison program for creating and comparing maintenance scenarios for a plurality of maintenance methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset; Attribute information of the first scenario asset data in which attribute information including a maintenance management method corresponding to the first scenario for the asset is stored, and asset data change points according to a second scenario in which the maintenance management method is different from the first scenario Asset data including the second scenario asset data in which is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; Maintenance management data including first scenario maintenance management data corresponding to the first scenario including the cost required for inspection to maintain the asset and second scenario maintenance management data corresponding to the second scenario; First scenario repair plan data for
  • a user interface program that controls the user interface screen for designating life cycle cost and maintenance scenario comparison, specifying the analysis start year and maintenance method for the asset specified by the user,
  • a sixth feature is to cause the maintenance management scenario comparison program to execute a third step of displaying the life cycle costs of the first scenario and the second scenario calculated in the second step on the output device.
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each maintenance management method of state monitoring maintenance, time planned maintenance, and subsequent maintenance for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset;
  • a maintenance scenario comparison program that creates and compares maintenance scenarios according to each maintenance management method of state monitoring maintenance, time plan maintenance, and subsequent maintenance for specified assets, Attribute information of the first scenario asset data in which attribute information including a maintenance management method corresponding to the first scenario for the asset is stored, and asset data change points according to a second scenario in which the maintenance management method is different from the first scenario Asset data including the second scenario asset data in which is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; First scenario repair plan data for storing repair plan information according to the first scenario for the asset, and second scenario repair plan data for storing repair
  • a user interface program that controls the user interface screen for designating life cycle cost and maintenance scenario comparison, specifying the analysis start year and maintenance method for the asset specified by the user,
  • First scenario repair plan data including annual repair costs according to the maintenance method specified by the first scenario and the second scenario, with reference to asset data, inspection data and maintenance data in the management plan creation program
  • the life cycle cost calculation program totals the repair costs of the first scenario repair plan data and the second scenario repair plan data for each year created in the first step, and is designated by the first scenario and the second scenario.
  • a seventh feature is that the maintenance management scenario comparison program is caused to execute a third step of displaying the life cycle costs of the first scenario and the second scenario calculated in the second step on the output device.
  • the present invention includes an arithmetic device, an input device, an output device, and a storage device,
  • the storage device A life cycle cost calculation program for calculating a life cycle cost for each of a plurality of maintenance management methods for a specified asset;
  • a maintenance scenario comparison program for creating and comparing maintenance scenarios for a plurality of maintenance methods for a specified asset;
  • a management plan creation program that creates a management plan for the specified asset; Changes in the first scenario asset data in which the attribute information including the asset management group and the asset management group according to the first scenario for the asset is stored, and the asset data in accordance with the second scenario in which the maintenance method differs from the first scenario.
  • Asset data including the second scenario asset data in which the attribute information is stored; Inspection data in which inspection result data for the inspection items for the assets included in the asset data and repair record data for repairing the assets are stored; Maintenance management data including first scenario maintenance management data corresponding to the first scenario including the cost required for inspection to maintain the asset and second scenario maintenance management data corresponding to the second scenario; First scenario repair plan data for storing repair plan information according to the first scenario for the asset, and second scenario repair plan data for storing repair plan information according to a second scenario having a different maintenance management method from the first scenario.
  • the second step of calculating the life cycle cost of the first scenario and the second scenario of the maintenance management method is executed, Causing the management plan creation program to execute a fourth step of creating maintenance management data in which life cycle costs of the first scenario and the second scenario calculated in the second step are aggregated for each asset group and year,
  • An eighth feature is that the maintenance management scenario comparison program is caused to execute a fifth step of displaying the maintenance management data of the first scenario and the second scenario calculated in the fourth step on the output device.
  • the asset management system and method according to the present invention can compare the effects of the maintenance management method changed for each asset, making it easier for the user to grasp the status of various assets, and reducing the effect of the transition of the maintenance management method. It can be easily compared in terms of surface.
  • the asset management system according to the present embodiment is configured by connecting the following elements to each other via a bus.
  • the asset management system according to the present embodiment is not limited to the following configuration.
  • a network input / output device is provided instead of the input device 113 and the output device 114, and data is transmitted via an external device such as a client terminal via the network. Input / output may be performed.
  • some or all of the data in the storage device 112 may be provided in an external device, and data may be read and written via a network.
  • Arithmetic unit 111 General-purpose CPU (Central Processing Unit).
  • Input device 113 general-purpose keyboard and pointing device.
  • Output device 114 general-purpose display and printer.
  • Storage device 112 General-purpose hard disk or DRAM (Dynamic Random Access Memory).
  • This storage device 112 is configured by the following elements, and stores programs or data corresponding to each maintenance management method of state monitoring maintenance, time plan maintenance, and subsequent maintenance for public assets. These programs and data are read by the arithmetic unit 111 and processed.
  • Life cycle cost calculation subprogram 121a for calculating the cost when state monitoring maintenance is adopted for the designated asset, life cycle cost calculation subprogram 121b for when time planned maintenance is adopted, and post maintenance
  • B A management plan creation program 122 that creates a management plan for the designated asset.
  • a maintenance management scenario comparison program 123 that creates and compares maintenance scenarios corresponding to each maintenance management method of state monitoring maintenance, time plan maintenance, and subsequent maintenance for the specified asset.
  • the maintenance management scenario depends on each maintenance management method. In the case of condition monitoring maintenance, “How many years later (inspection interval) information and how many years later (repair interval) information”, time monitoring In the case of maintenance, it means “scheduled repair (repair interval) information”, and in the case of post-maintenance, “years after which parts are replaced (replacement interval) information”.
  • a deterioration model learning subprogram 124a that learns a deterioration model when state monitoring maintenance is adopted, a deterioration model learning subprogram 124b that learns a deterioration model when time-planned maintenance is adopted, and post-hoc maintenance are adopted.
  • the deterioration model means a procedure or method for calculating the soundness (deterioration degree) of an asset over time according to each maintenance management method expressed by mathematical formulas and values.
  • (E) User interface that controls the user interface screen that accepts the designation of the analysis start year and maintenance management method by a user such as a manager, and gives operational instructions such as life cycle cost, maintenance management scenario comparison, and degradation model learning Program 125.
  • the user interface screen by the user interface program 125 is composed of the following dialog box, display field, and buttons as shown in FIG.
  • Asset data display area 531x which is a list of scenarios X (first scenarios) in which the maintenance management method is preset for the assets.
  • Life cycle cost calculation start button 510 for instructing start of calculation of life cycle cost.
  • a repair plan data display button 511 for instructing display of repair plan data.
  • a maintenance management data display button 512 for instructing display of maintenance management data.
  • Maintenance management scenario comparison start button 513 for instructing comparison of maintenance management scenarios.
  • a comparison result data display button 514 for instructing display of the maintenance management scenario comparison result.
  • a deterioration model learning start button 515 for instructing to start learning of a deterioration model based on past deterioration data.
  • a learning possibility determination program 126 that determines whether learning by the deterioration model learning program 124 is possible based on the amount of data stored for the designated asset.
  • Asset data 131x in which attribute information (maintenance management method, asset location, asset group to which the asset belongs, product name, exchange cost, quantity, inspection cost, inspection items, etc.) for the asset to be managed is stored
  • the attribute information of the asset data 131x includes an ID indicating an identifier for uniquely identifying the record, a maintenance management method indicating a method for managing the asset, and setting of assets.
  • Location indicating the location, the group to which the asset belongs, the name of the asset, the quantity to be multiplied with the unit price when determining the repair cost of the asset, the replacement cost of the asset, the inspection cost of the asset, and the inspection interval of the asset And corresponds to an asset ledger.
  • the attribute information of the asset data 131y according to the second scenario stores only the change point of the asset data in the designated scenario Y, and the part marked with * (asterisk) is the relevant information of the asset data 131x. Means the same value as the location.
  • all attribute information may be stored in the same manner as the asset data 131x.
  • Inspection data 132 in which information (inspection date / a plurality of inspection items and inspection results) related to the inspection work results for each asset in the asset data 131 is stored.
  • the inspection data 132 is registered and edited by the user by any means, and as shown in FIG. 4, an ID that uniquely identifies the record, an asset ID that is an identifier that identifies the asset data, and an inspection It has a day, a plurality of inspection items and inspection result fields. In the illustrated example, the number of inspection item fields is three, but an arbitrary number may be provided. That is, the inspection data 132 stores inspection items, inspection results representing multi-stage soundness levels for the inspection items, and sensor values for the inspection items.
  • the data structure of the repair plan data 133x includes an asset ID, an inspection year 1 indicating an initial inspection year, an inspection cost 1 indicating an inspection cost in the inspection year 1, and an initial repair year. There are fields of a repair year 1 to be shown and a repair cost 1 to indicate a repair cost in the repair year 1 representing a repair method in the repair year 1.
  • the arithmetic unit 111 checks in order from the head entry (record) of the repair method data 141 whether the asset or the check matches the rule, and the repair method name and the repair unit price of the matching entry. And is used to calculate the repair cost from the quantity and repair unit price written on the asset.
  • Maintenance management data 134x for storing information required for inspection and repair to maintain assets (asset location / group to which assets belong, maintenance costs for each year), and maintenance management when the maintenance management data 134x is changed
  • Maintenance management data 134 including data 134y As shown in FIG. 9, the data structure of the maintenance management data 134x has fields of the location where the asset is installed, the group to which the asset belongs, the total repair cost and the inspection cost in the total enclosed in parentheses. The same applies to the maintenance management data 134y.
  • Comparison result data 135 that is data for comparing the annual costs when the maintenance management method is changed for the asset.
  • (L) Deterioration model in the case of adopting state monitoring maintenance that stores an arithmetic expression for calculating a cluster rule and a deterioration model for clustering a plurality of assets into the same group and a plurality of parameters applied to the arithmetic expression.
  • Deterioration model data 136 including data 136a, deterioration model data 136b when time-planned maintenance is adopted, and deterioration model data 136c when post-maintenance is adopted.
  • the deterioration model data 136a when the state monitoring maintenance is adopted includes a field for storing a cluster rule, a deterioration model (formula), and a plurality of parameters a 1 , a 2 , a 3, and b. Have.
  • the cluster rule of the deterioration model data 136a in the example of FIG. 12 indicates that an asset having the same group (XX generator) and product name (main body) is the same group.
  • Degradation model of Figure 12 is, for example, asset generator, when represented by the soundness out (value 1 [unhealthy] 1-5 Healthy), vibration sensor parameter a 1 is attached to the generator A value calculated based on the measured value of the generator, a parameter a 2 calculated based on the measured value of the output voltage of the generator, and a parameter a 3 calculated based on the measured value of the output current of the generator And is a mathematical expression representing that the soundness level Y changes as time (t) elapses. That is, the deterioration model in the state monitoring maintenance is a mathematical expression and a parameter representing a deterioration curve in which the soundness gradually decreases in a curved manner according to a plurality of parameters as time passes.
  • the deterioration model data 136b in the case of adopting the time-planned maintenance is the data for the replacement time based on the useful life of the asset, and as shown in FIG. 13, a cluster rule for clustering a plurality of assets into the same group (the relevant A rule for determining whether an asset belongs to a cluster of entries) and a field for storing a useful life indicating a replacement time. That is, the deterioration model in the time-planned maintenance is a useful life that represents the replacement time of parts and the like.
  • the deterioration model data 136c in the case where the post-mortem maintenance is adopted includes the cluster rule, the average operation years of the cluster, and a dispersion field indicating a failure rate with respect to the average operation years of the cluster. .
  • the deterioration model data 136c calculates the asset replacement time of the deterioration model in the case of adopting post-maintenance, which is a maintenance method in which repair or replacement of parts is performed after deterioration or the like occurs in the asset, the average operating years or variance is calculated. Calculate using the value.
  • repair method data 141 storing the repair method name and the repair unit price according to the soundness level when repairing the asset.
  • the data structure of the repair method data 141 is that each record includes a rule corresponding to the asset name and soundness of the asset, a repair method name corresponding to the rule, a repair unit price corresponding to the rule, Field.
  • the life cycle cost calculation program 121 selects either the scenario X or the scenario Y indicating the scenario in which the user calculates the life cycle cost through the user interface program 125.
  • the cycle cost calculation start button 510 By clicking the cycle cost calculation start button 510, asset data to be read / written, repair plan data, and maintenance data corresponding to the selected scenario are selected, and the following steps are executed.
  • scenario X is designated
  • scenario Y is designated.
  • Step s101 A step of determining whether there is an unprocessed entry (asset record) in the asset data 131x, and ending the program when it is determined that there is no unprocessed data.
  • Step s102 A step of acquiring the entry when it is determined in step s101 that there is unprocessed data.
  • Step s103 A step of specifying a maintenance method for the asset entry acquired in step s102. In this step, the value described in the ⁇ maintenance management method> field of the asset data is used as it is.
  • the maintenance management method may be specified using a specific rule from any field of asset data, not limited to this method.
  • Step s104 A step of shifting to one of the following subprograms 121a to 121c in accordance with the maintenance management method specified in step s103.
  • Step s105a A step of executing the life cycle cost calculation subprogram 121a for state monitoring maintenance when the state monitoring maintenance subprogram is shifted to in step s104.
  • Step s105b A step of executing the life cycle cost calculation subprogram 121b for time plan maintenance when the program proceeds to the time plan maintenance subprogram in step s104.
  • Step s105c A step of executing the life cycle cost calculation subprogram 121c for the subsequent maintenance when the process proceeds to the subsequent maintenance subprogram in the step s104.
  • Step s106 Following the steps s105a to s105c, updating the repair plan data entry, recording the repair plan entry in the repair plan data 133x, and returning to the step s101.
  • the life cycle cost calculation program 121 of the asset management system operates so as to calculate the life cycle cost according to the analysis start year, scenario and maintenance management method specified by the user.
  • the life monitoring cost calculation subprogram 121a for state monitoring maintenance calculates the life cycle cost for state monitoring maintenance by executing the following steps as shown in FIG.
  • Step s201 A step of reading an entry group (a plurality of records) of the inspection data 132 having the same value as the asset entry ID designated by the user in the “asset ID” field.
  • Step s202 A step of reading an entry (record) of the deterioration model data 136a that matches the designated asset entry. This coincidence determination is made based on whether or not the value of the asset entry matches the condition described in the “cluster rule” field of the deterioration model data.
  • Step s203 The inspection entry having the latest “inspection date” field in the inspection entry (inspection data) read in step s202 is set to the inspection item “inspection item 1”, “inspection result 1”, “inspection”. A step of calculating based on “item 2”, “inspection result 2”, “inspection item 3”, “inspection result 3”, and deterioration model data 136.
  • the calculation of the soundness level of the latest inspection entry in step s203 is based on the deterioration model (for predicting the change in soundness level) obtained from the annual change in soundness level obtained from other assets in the same group as the corresponding asset. (Calculation formula) and past inspection data (parameters) applied to the deterioration model. Specifically, the soundness level of the latest inspection entry is calculated by a i of the part (the soundness model shown in Equation 1) in which the soundness level is calculated from the weighted sum of the inspection results in the equation of the deterioration model shown in FIG. Is obtained by substituting each inspection result into parameters and p i and obtaining soundness level Y (t n ).
  • t 0 0.
  • Step s205 A step of determining whether or not repair is necessary according to the value of the future soundness calculated in step s204, and ending the process when it is determined that repair is not necessary by the number of years calculated for the life cycle cost. In this determination, for example, it is determined that the year in which the soundness level is less than 3 needs to be repaired, and the soundness level of 4 or more is determined not to be in repair.
  • Step s206 When it is determined that the repair is necessary in Step s205, the repair method data 141 is determined from the future soundness level with reference to the repair method data 141, and the repair method corresponding to the determined rule is determined. The step of obtaining the repair cost and calculating the repair cost from the repair unit price using the quantity described in the asset.
  • Step s207 Assuming that the repair is completed in Step s206, restoring the soundness of the repair year t n + 1 to the maximum value 5, adding n (n ⁇ n + 1), and returning to Step ss204. By repeating these steps, a list of repair year, repair method name, and repair cost can be obtained.
  • the life monitoring cost calculation subprogram 121a for state monitoring and maintenance calculates the life cycle cost for state monitoring and maintenance by repeatedly executing the above-described steps, and stores the calculation result in the repair plan data 133x. Can be recorded.
  • the life cycle cost calculation subprogram 121b for clock plan maintenance calculates the life cycle cost for clock plan maintenance by executing the following steps as shown in FIG.
  • Step s301 A step of reading the entry of the inspection data 132 having the same value as the asset entry ID designated by the user in the “asset ID” field. In this step, since inspection is not performed in time-planned maintenance, the inspection record is ignored among the entries included in the inspection data 132, and only the repair record is read.
  • Step s302 A step of reading the entry of the deterioration model data 136b that matches the asset entry designated by the user. The coincidence determination in this step is determined by whether or not the value of the asset entry matches the condition described in the “cluster rule” field of the deterioration model data.
  • Step s303 A step of obtaining the actual deterioration year in the analysis start year by using the latest “inspection date” field value among the inspection entries read in the above step. When there is no inspection entry, the “creation year” field of the asset entry is used.
  • Step s304 A step of calculating the repair year, the repair method name and the repair cost using the value of the “life time” field of the actual deterioration year and the deterioration model entry, and ending the process.
  • the next repair year is obtained by subtracting the actual deterioration year from the useful life and adding it to the analysis start year.
  • the repair method name is a fixed name such as “repair”.
  • the repair cost is obtained using the repair unit price and the quantity described in the asset entry.
  • the life cycle cost calculation subprogram 121b for clock plan maintenance sets the actual deterioration year at the time of repair to “0”, and repeats the above steps to repair the repair year, the repair method name, and the repair. The cost is calculated, and the calculation result is recorded in the repair plan data 133x.
  • the operation of the life cycle cost calculation subprogram 121c for post-mortem maintenance is substantially the same as the life cycle cost calculation subprogram 121b described above.
  • the life cycle cost calculation subprogram 121c uses a normal value defined from the value of the “average service life” field and the value of the “dispersion” field instead of using the value of the “lifetime” field of the deterioration model entry in the subprogram 121b.
  • the life cyclo cost is calculated by using the number of years in which the cumulative probability in the distribution becomes the predefined allowable failure probability, and the calculation result is recorded in the repair plan data 133x.
  • the asset management system is automatically started at the end of the life cycle cost calculation program 121 using the management plan creation program 122, and creates maintenance management data 134x (FIG. 9) for asset maintenance management. To do.
  • the asset management system outputs the comparison result data 135 shown in FIG. 10, which is a result of comparing the maintenance management scenarios using the maintenance management scenario comparison program 123 activated by the user interface screen, to the output device 114. indicate.
  • the maintenance management scenario comparison program 123 visualizes the contents of the maintenance management data 134x and the maintenance management data 134y calculated as described above, and creates comparison result data 135.
  • the comparison result data 135 is composed of a graph and a table as will be described later, and the creation of the graph and the table can be easily realized by using a function included in the existing spreadsheet software.
  • the comparison result data 135 displays the scenario maintenance management data 134x based on the initial maintenance management system and the scenario maintenance management data 134y based on the changed maintenance management system as bar graphs by year. Another total cost, total inspection cost, and total repair cost are displayed as a summary table.
  • the comparison result data 135 according to this example is based on the completion of the repair in FY2016, and the repair plan based on the scenario X has a relatively low cost for several years after 2017, but it is high after 2114, and the total cost
  • the repair plan based on scenario Y shows that the cost for several years after 2017 is relatively high, but it is low after 2114, and the total cost is 14290 K ⁇ . Yes. That is, the illustrated comparison result data 135 represents that the scenario Y can reduce the total cost compared to the scenario X.
  • the user can see how the changes in the scenario X and the scenario Y, that is, the sum of the inspection cost and the repair cost due to the change of the maintenance management method, and the tendency for each year, etc. You can easily see if it has changed.
  • the asset management system is started when the user clicks the deterioration model learning start button 515 of the user interface (FIG. 15), and the deterioration model of the maintenance management method specified by the user is deteriorated in the past. Learn based on data.
  • the example shown in FIG. 15 is an example in which the user designates state monitoring and maintenance as the maintenance management method.
  • the deterioration model learning subprogram 124a learns deterioration data by executing the following steps shown in FIG.
  • Step s401 Clustering all entries (asset records) included in the asset data 131x as the same type.
  • a predetermined rule for example, a group (for example, similar parts or devices) having the same set of group name and product name is defined as one cluster (group).
  • the predetermined rule may be any clustering method such as bottom-up clustering in which clusters are merged based on the distance between clusters, for example.
  • Step s402 A step of determining whether there is an unprocessed cluster (clustered group) and ending the process when it is determined that there is no unprocessed cluster.
  • Step s403 A step of acquiring the next cluster when it is determined in step s402 that there is an unprocessed cluster.
  • Step s404 A step of acquiring entries of inspection data 132 corresponding to all asset entries included in the cluster.
  • Step s405 A step of specifying any one of the deterioration model learning subprogram 124a to the deterioration model learning subprogram 124c by the maintenance management method designated by the user.
  • Steps s406a to s406c A step of executing any one of the deterioration model learning subprogram 124a to the deterioration model learning subprogram 124c specified in step s405.
  • Step s407 A step of registering the deterioration model learning result executed in the steps s406a to s406c in the deterioration model data 136a and returning to the step s402.
  • the deterioration model learning subprogram 124a performs asset data clustering, acquires inspection data (FIG. 4) of the clustered cluster (group), and learns the deterioration model in accordance with the maintenance management method.
  • the learning method of the deterioration model according to each maintenance method is as follows.
  • the deterioration model learning subprogram 124a defines the expression of the deterioration model as the following Expression 2, and learns deterioration data by obtaining the parameters a i and b by the least square method.
  • the elapsed time of the kth inspection entry is t k
  • inspection results 1 to 3 are p 1 k , p 2 k , and p 3 k
  • the parameter D that minimizes the value D of the following Equation 3 is used.
  • the deterioration data is learned by obtaining a i and b.
  • the deterioration model learning subprogram 124a draws a curve of the same type of assets in time series based on deterioration data (sensor values, etc.) due to past changes in the same type of clustered assets. Learn the parameters of the degradation model equation that expresses whether
  • the deterioration model learning subprogram 124c learns deterioration data by obtaining the number of operating years that are actual results from the generation years of the asset entries corresponding to the repair history included in the inspection entry, and taking the average and variance thereof.
  • the learning method of the deterioration model learning program 124 and the deterioration model learning subprogram A124a to the deterioration model learning subprogram A124c of the present invention is not limited to the method shown in the present embodiment, but statistical regression analysis or mechanical learning. Various methods based on the above can be applied.
  • the user interface program 125 provides the user with the user interface screen shown in FIG. 15 through the input device 113 and the output device 114 for starting other programs, displaying data, and editing data.
  • This user interface screen accepts the setting of parameters for the analysis start year used for processing of each program by the analysis start year text field 501 by the user's operation, and calculates the life cycle cost by the scenario selection check boxes 530x and 530y.
  • the selection of the scenario is accepted, and the asset data display areas 531x and 531y accept the confirmation and change of the asset data of each scenario.
  • a selection box 550 including a state monitoring maintenance option 551a, a time plan maintenance option 551b, and a subsequent maintenance option 551c is displayed. Then, the learning possibility determination program 126 is activated.
  • the learning possibility determination program 126 acquires inspection data entries related to the asset entry, and further extracts inspection entries that can be used in each maintenance management method. It is determined whether learning is possible or not based on whether the data amount of the entry is greater than or less than a predefined threshold. When it is determined that learning is not possible, the user is notified by displaying a strike-through line on the characters as shown in the figure that the state monitoring maintenance option 551a cannot be selected. This allows the user to know in advance whether or not the model that is going to change the maintenance method is ready for learning.
  • the life cycle cost calculation start button 510 When the life cycle cost calculation start button 510 is clicked, the user interface program 125 starts the life cycle cost calculation program 121.
  • the analysis start year on the user interface screen is the value specified in the analysis start year text field 501.
  • the repair plan data display button 511 and the maintenance management data display button 512 indicate the values shown in FIGS. 7 and 9 for the repair plan data 133x, the repair plan data 133y, the maintenance management data 134x, and the maintenance management data 134y, which are the calculation results, respectively. indicate.
  • the user interface program 125 starts the maintenance management scenario comparison program 123.
  • the comparison result data display button 514 is clicked, the comparison result data 135 shown in FIG. 10 is displayed on the user interface screen.
  • the user interface program 125 applies to the deterioration model of the maintenance management method specified by the state monitoring maintenance check box 516a, the time plan maintenance check box 516b, and the subsequent maintenance check box 516c.
  • the deterioration model learning program 124 is activated.
  • the asset data 131x, the asset data 131y, and the inspection data 132 limited to those before the year specified in the analysis start annual text field 501 of the user interface screen are used for learning.
  • the maintenance management method by setting the past value in the analysis start year and performing the deterioration model learning, and subsequently calculating the life cycle cost, the maintenance management method has been transferred in the past. Repair plan data and maintenance data can be obtained by simulation.
  • the deterioration model data which is the learning result can be displayed by the deterioration model data display button 517.
  • the asset management system and method according to the present invention can be utilized when analyzing the minimization of inspection and repair costs in asset maintenance and management, and a maintenance management method can be set for each individual asset. It can also be used to verify the transition to the method from the cost aspect.
  • 111 arithmetic units, 112 storage units, 113 input units, 114 output device, 121 life cycle cost calculation program, 121a Life cycle cost calculation subprogram 121b Life cycle cost calculation subprogram, 121c Lifecycle cost calculation subprogram, 122 management plan creation program, 123 maintenance management scenario comparison program, 124 deterioration model learning program, 124a deterioration model learning subprogram, 124b Degradation model learning subprogram, 124c deterioration model learning subprogram, 125 user interface programs, 126 learning possibility determination program, 131 asset data, 131x asset data, 131y asset data, 132 Inspection data, 133 repair plan data, 133x repair plan data, 133y repair plan data, 134 maintenance management data, 134x maintenance management data, 134y maintenance management data, 135 comparison result data, 136 deterioration model data, 136a to 136c Degradation model data 141 Repair method data, 501 Analysis start annual text field, 510 Lifecycle cost calculation start button, 511

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Abstract

Le problème posé est de comparer des influences sur des actifs pour lesquels un système de maintenance/gestion a été modifié. La solution selon l'invention concerne un système de gestion d'actifs dans lequel un programme de création de plan de gestion (123) se réfère à des donnés d'actifs, des données d'inspection et des données de maintenance/gestion, et crée des premières données de plan de réparation de scénario et des secondes données de plan de réparation de scénario comprenant les coûts de réparation annuels sur la base d'un premier scénario auquel est appliqué un système de maintenance/gestion initial et d'un second scénario pour lequel a été modifié le système de maintenance/gestion à partir du premier scénario, et un programme de calcul de coût de cycle de vie (121) additionne les coûts de réparation annuels des premières données de plan de réparation de scénario créées et des secondes données de plan de réparation de scénario, calcule des coûts de cycle de vie du premier scénario et du second scénario sur la base des systèmes de maintenance/gestion désignés par le premier scénario et le second scénario, et compare les coûts des cycles de vie .
PCT/JP2015/061110 2015-04-09 2015-04-09 Système et procédé de gestion d'actifs Ceased WO2016163003A1 (fr)

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WO2018179376A1 (fr) * 2017-03-31 2018-10-04 日本電気株式会社 Dispositif de prédiction de dégradation, procédé de prédiction de dégradation et support d'enregistrement lisible par ordinateur

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JP2006323741A (ja) * 2005-05-20 2006-11-30 Kajima Corp 資産運用管理支援システム、資産運用管理支援方法、プログラム、記録媒体
JP2009048384A (ja) * 2007-08-20 2009-03-05 Hitachi Ltd 設備管理支援システム
JP2009169737A (ja) * 2008-01-17 2009-07-30 Japan Sewage Works Agency 予測健全度を利用した施設管理および更新計画システム

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JP2006323741A (ja) * 2005-05-20 2006-11-30 Kajima Corp 資産運用管理支援システム、資産運用管理支援方法、プログラム、記録媒体
JP2009048384A (ja) * 2007-08-20 2009-03-05 Hitachi Ltd 設備管理支援システム
JP2009169737A (ja) * 2008-01-17 2009-07-30 Japan Sewage Works Agency 予測健全度を利用した施設管理および更新計画システム

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Publication number Priority date Publication date Assignee Title
WO2018179376A1 (fr) * 2017-03-31 2018-10-04 日本電気株式会社 Dispositif de prédiction de dégradation, procédé de prédiction de dégradation et support d'enregistrement lisible par ordinateur
JPWO2018179376A1 (ja) * 2017-03-31 2020-05-21 日本電気株式会社 劣化予測装置、劣化予測方法、及びプログラム
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