JP2642407B2 - Equipment to select equipment for maintenance - Google Patents
Equipment to select equipment for maintenanceInfo
- Publication number
- JP2642407B2 JP2642407B2 JP12049088A JP12049088A JP2642407B2 JP 2642407 B2 JP2642407 B2 JP 2642407B2 JP 12049088 A JP12049088 A JP 12049088A JP 12049088 A JP12049088 A JP 12049088A JP 2642407 B2 JP2642407 B2 JP 2642407B2
- Authority
- JP
- Japan
- Prior art keywords
- maintenance
- information
- equipment
- input
- recommended
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012423 maintenance Methods 0.000 title claims description 134
- 238000013461 design Methods 0.000 claims description 25
- 230000010365 information processing Effects 0.000 claims description 25
- 238000007689 inspection Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 201000006754 cone-rod dystrophy Diseases 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 230000005856 abnormality Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000012417 linear regression Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102100040160 Rabankyrin-5 Human genes 0.000 description 1
- 101710086049 Rabankyrin-5 Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 201000000464 cone-rod dystrophy 2 Diseases 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Testing And Monitoring For Control Systems (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明はプラントを構成する各種設備機器の性能変
化,経年劣化などの設備状態を診断し、その結果から必
要な保全対応を推論し提供するための保全対象設備選定
装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention diagnoses the state of equipment such as performance change and aging deterioration of various equipment constituting a plant, and performs necessary maintenance measures based on the result of diagnosis. And a maintenance target equipment selection device for inferring and providing
(従来の技術) 従来、プラントを構成する各種設備機器の保全対応
は、設計仕様値や設計,保守の専門家によって、種々の
情報収集とその分析および経験・知識になどにより判断
され、多大の労力と時間がかかっていた。(Conventional technology) Conventionally, the maintenance response of various types of equipment constituting a plant has been judged by design specifications, design and maintenance specialists based on various types of information collection, analysis, and experience / knowledge. It was labor and time consuming.
また、大型プラント設備機器の保全は、その運用初期
に保全作業計画(内容、周期など)が決定され、その計
画を基準として実施されている。For maintenance of large plant equipment, a maintenance work plan (contents, cycle, etc.) is determined in the early stage of the operation, and the maintenance is performed based on the plan.
(発明が解決しようとする課題) しかしながら、設備の性能や劣化状況(以下、保全状
況と称す)は、運用実績や機器・部品の交換など種々の
保守作業により、その状況は初期の保全計画策定時の状
況との不合理や相違を生じる場合があり、その結果は、
保全過剰や不具合・故障の増加による稼働率の低下や経
済的損失などへの大きな影響として現れる。(Problems to be solved by the invention) However, the performance and deterioration status of the equipment (hereinafter referred to as maintenance status) is determined by various maintenance work such as operation results and replacement of equipment and parts, and the status is determined by the initial maintenance plan. It may be irrational or different from the situation at the time,
It appears as a major effect on the reduction of operation rate and economic loss due to excessive maintenance and increase of failures and failures.
従って、保全作業計画は、設備機器の保全状況を判定
し、実績に基づいた修正が必要となる。また、保全状況
の判定に必要な保全情報を収集、管理し、保全計画策定
者が必要とする情報や専門家が実施する分析手法に基づ
く情報処理結果、あるいは専門家の判定手順と判定知識
に基づく保全状況判定支援情報を提供する技術が必要と
なる。Therefore, the maintenance work plan needs to determine the maintenance status of the equipment and make corrections based on the results. It also collects and manages maintenance information needed to determine the status of maintenance, and collects information required by maintenance planners and information processing results based on analysis methods performed by experts, or expert judgment procedures and judgment knowledge. A technique for providing maintenance status determination support information based on the information is required.
さらに、保全作業によっては早急な対応が必要とされ
る場合もあり、現状のようにその判断に必要な収集や分
析、評価は迅速に実施できるような技術が望まれてい
る。In addition, urgent measures may be required depending on the maintenance work, and there is a demand for a technology that enables the collection, analysis, and evaluation necessary for the judgment to be promptly performed, as is the case at present.
本発明は、上記事情に鑑みてなされたもので、ブラン
トを構成する各種設備機器の性能変化、経年劣化などの
保全状況を診断し、その結果から専門家の判定手順や知
識に基づいて推論される必要の保全対応(意志決定支援
情報)を提供することにより、設備信頼性の実積を重視
した適切な設備保全を確立し、保全費用の削減や不具合
の未然防止などによりプラントの経済性、稼働率、信頼
性の向上を図ることを目的とするものである。The present invention has been made in view of the above circumstances, and diagnoses performance changes of various types of equipment constituting a brand, maintenance conditions such as aging deterioration, and infers the results based on expert judgment procedures and knowledge. Providing the necessary maintenance measures (decision support information) to establish appropriate equipment maintenance with emphasis on the actual reliability of the equipment, reducing the cost of maintenance and preventing plant failures, The purpose is to improve the operation rate and reliability.
(課題を解決するための手段) 上記の目的を達成するために、本発明は、プラントを
構成する各種設備機器の保全情報,運用履歴情報,設計
・保全知識情報および使用者の操作要求などの入力と、
点検推奨設備情報,保全作業計画情報などの保全支援情
報あるいはこれら支援情報を推論するために処理された
情報処理結果などの出力を行なう入出力装置と、前記入
出力装置から入出力される情報を記録する情報記録装置
と、処置間の情報受渡し,管理,登録,検索抽出および
統計処理などの情報処理を行なう情報処理装置と、前記
情報処理装置からの情報と前記記録装置に登録された設
計・保全知識情報および使用者の操作要求から点検推奨
設備を推論し,その保全作業計画を提供する保全推奨設
備選定装置とから構成された保全対象設備選定装置を提
供するものである。(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides maintenance information, operation history information, design / maintenance knowledge information, and user operation requests for various types of equipment constituting a plant. Input and
An input / output device that outputs maintenance support information such as recommended inspection equipment information and maintenance work plan information, or information processing results processed for inferring the support information, and information input / output from the input / output device. An information recording device for recording, an information processing device for performing information processing such as information transfer, management, registration, search extraction, and statistical processing between treatments; information from the information processing device and a design / registration registered in the recording device; The object of the present invention is to provide a maintenance target equipment selection device comprising a maintenance recommended equipment selection device which infers inspection recommended equipment from maintenance knowledge information and a user operation request and provides a maintenance work plan.
(作用) 本発明の保全対象選定装置は上記のように構成されて
いるので、設備の性能異常や経年劣化傾向など信頼性の
実積に基づいた保全作業計画を、設計・保守の専門家が
判断する手順や知識に従った保全推奨設備などの保全支
援情報を提供することができる。(Operation) Since the maintenance target selection device of the present invention is configured as described above, a design and maintenance expert can make a maintenance work plan based on the reliability of the equipment, such as abnormal performance or aging deterioration. It is possible to provide maintenance support information such as equipment recommended for maintenance in accordance with the procedures and knowledge for determination.
(実施例) 本発明の実施例を図面を参照して説明する。(Example) An example of the present invention will be described with reference to the drawings.
第1図は本発明の一実施例のブロック構成図である。
図に示すように、設備保全情報,運用履歴情報,設計・
保全知識情報および使用者の装置操作情報などの入力情
報1と、点検推奨設備情報,保全作業計画情報などの保
全支援情報あるいは情報処理結果などの出力情報6は、
情報入出力装置2により入出力される。そして、この入
出力情報2は情報処理装置3を介して必要に応じて情報
記録装置4に記録・保存される。FIG. 1 is a block diagram of an embodiment of the present invention.
As shown in the figure, equipment maintenance information, operation history information,
Input information 1 such as maintenance knowledge information and user device operation information, and maintenance support information such as inspection recommended equipment information and maintenance work plan information or output information 6 such as an information processing result include:
The information is input / output by the information input / output device 2. The input / output information 2 is recorded and stored in the information recording device 4 via the information processing device 3 as needed.
また情報記録装置4の記録内容は、使用者の操作要求
に基づいて情報処理装置3で演算・処理され、その処理
結果は、使用者の操作要求に基づいて、図表、文字情報
として情報入出力装置2より出力、表示される。さら
に、その情報処理結果は、使用者の操作要求に基づい
て、情報記録装置4に記録された設計・保全の専門家の
設備保全状況の判断手順、判断知識情報と共に保全推奨
設備選定装置5において推論・判定され設備保全状況の
実績に基づいた点検推奨絵設備,推奨理由などの保全支
援情報を、情報処理装置3を介して図表、文字情報とし
て情報入出力装置2より出力、表示される。The information recorded in the information recording device 4 is calculated and processed by the information processing device 3 based on a user's operation request, and the processing result is input / output as a chart, character information, or the like based on the user's operation request. Output from the device 2 and displayed. Further, based on the operation request of the user, the result of the information processing is transmitted to the maintenance recommended equipment selecting device 5 together with the judgment procedure and the judgment knowledge information of the equipment maintenance status of the design / maintenance specialist recorded in the information recording device 4. Maintenance support information such as inspection recommended picture equipment and recommended reasons based on the inferred and determined equipment maintenance status is output and displayed from the information input / output device 2 as charts and character information via the information processing device 3.
なお本実施例ではプラントとして沸騰水型原子力発電
所、設備機器として制御棒駆動機構(以下、CRDと略
す)の場合について示す。In this embodiment, a case of a boiling water nuclear power plant as a plant and a control rod drive mechanism (hereinafter abbreviated as CRD) as equipment is shown.
第2図は、保全推奨設備選定装置5における保全推奨
設備など保全支援情報の推論、判定処理フロー(以下、
保全対象設備推論手順と称す)を説明するための図であ
る。FIG. 2 is a flow chart for inferring and judging maintenance support information such as recommended maintenance equipment in the recommended maintenance equipment selection device 5 (hereinafter, referred to as a processing flow).
FIG. 3 is a diagram for explaining a maintenance target equipment inference procedure).
保全対象設備推論手順はまず、情報処理装置Bより情
報処理結果、設計・保全知識情報を、また使用者の評価
要求Aより保全周期、対象ユニット(プラントもしくは
設備名称)、保全サイクル(現状までの保全回数な
ど)、対象設備数および設計・保全知識の補足情報(現
状、情報記録設備に記録された知識情報の修正情報な
ど)が情報処理装置Bを介して保全推奨競設備設定装置
に入力され、推論が開始される。The maintenance target equipment inference procedure is as follows. First, the information processing result and the design / maintenance knowledge information are received from the information processing apparatus B, and the maintenance cycle, the target unit (plant or equipment name) and the maintenance cycle (the current (The number of maintenances, etc.), the number of target facilities, and supplementary information on the design / maintenance knowledge (currently, correction information of knowledge information recorded in the information recording facility, etc.) are input to the maintenance recommended competition equipment setting apparatus via the information processing apparatus B. , The inference begins.
この推論は、保全対象設備推論手順Cに示すような情
報の判定と流れにより行われる。また、その推論結果
は、点検の必要度に応じて、保全対応優先度Dを同時に
判定する。その情報判定優先度に沿って、推論の例を以
下に示す。This inference is performed by the determination and flow of information as shown in the maintenance target equipment inference procedure C. In addition, the inference result determines the maintenance response priority D at the same time according to the necessity of inspection. An example of inference is shown below along the information determination priority.
設定保全周期に到達した設備であるかどうか。 Whether the equipment has reached the set maintenance cycle.
初期の保全計画における保全周期に到達した設備、あ
るいは使用者の要求保全周期に到達した設備を情報処理
装置を介して情報記録装置より探索、抽出する。The equipment that has reached the maintenance cycle in the initial maintenance plan or the equipment that has reached the maintenance cycle required by the user is searched and extracted from the information recording device via the information processing device.
この結果、推論された設備機器は、保守上の規約によ
るものであり、その保全優先度は最も高いランク1とし
て提供される。As a result, the inferred equipment is based on the maintenance rule, and its maintenance priority is provided as the highest rank 1.
点検・試験結果が設計仕様値を逸脱した設備である
かどうか。Whether the inspection / test result is out of the design specification value.
CRDの例では、保守対応時にその性能を確認するた
め、スクラム時間、ストール・フロー、駆動時間などの
データ測定を実施しており、これらが設備保全情報の例
に相当するものであり、情報記録装置に記録されたこれ
らの測定データを情報処理値を介して探索し、設計仕様
値から逸脱した設備機器を抽出する。この結果推論され
た設備機器は設計上の規約によるものであり、その保全
優先は上記保守上の規約に続く保全優先度ランク2とし
て提供される。In the CRD example, data such as scrum time, stall flow, and drive time are measured to confirm the performance during maintenance, and these are equivalent to the example of equipment maintenance information. The measurement data recorded in the apparatus is searched through the information processing values, and the equipment deviating from the design specification value is extracted. The equipment deduced as a result is based on the design rule, and its maintenance priority is provided as a maintenance priority rank 2 following the maintenance rule.
第3図は、この判定情報の処理結果の例としての設計
・保全知識情報による判定の例を説明するための図であ
る。また、この図は、使用者の操作要求により必要に応
じて入出力装置2より出力、表示されるものであり、推
論では、情報処理結果とその特徴量あるいは判定結果な
どを使用する。図では、複数あるCRDの駆動時間をある
時間単位における度数をヒストグラムにより表示した例
である。FIG. 3 is a diagram for explaining an example of determination based on design / maintenance knowledge information as an example of a processing result of the determination information. Further, this figure is output and displayed from the input / output device 2 as necessary according to a user's operation request. In the inference, an information processing result and its characteristic amount or a determination result are used. The figure shows an example in which the driving times of a plurality of CRDs are displayed in a histogram in terms of frequency in a certain time unit.
ここでの判定は、図中イで示される設計仕様値(設計
・保全知識情報の1つ)と測定データとの比較により、
設計上保全を必要とする設備(この場合CRD)がないか
どうかを推論することに相当する。その結果、保全を必
要とする設備があればその設備に関する必要な情報を情
報記録装置より検索、抽出し、保全優先度ランク2とし
て提供される。The determination here is made by comparing the design specification value (one of the design and maintenance knowledge information) shown in FIG.
This is equivalent to inferring whether there is equipment that requires maintenance (in this case, CRD). As a result, if there is equipment that requires maintenance, necessary information about the equipment is retrieved and extracted from the information recording device, and provided as maintenance priority rank 2.
不具合発生履歴の有無とその重要性に関する判定 判定対象設備に過去、不具合の発生が生じていたか、
あるいはその内容、程度はどうであったか、を推論す
る。Judgment regarding the presence or absence of a failure occurrence history and its importance.
Or, infer what the content and extent were.
この推論は、まず情報記録装置より必要な情報を検
索、抽出し、その内容、程度の設備への影響度、重要度
の大小から保全の必要性の有無と、その優先度を決定す
る。必要性と優先度の決定は、情報記録装置に記録され
た設計・保全知識情報に基づいて判定する。In this inference, first, necessary information is retrieved and extracted from the information recording apparatus, and the content, the degree of influence on the facility, the degree of importance, and the necessity of maintenance and its priority are determined. The necessity and the priority are determined based on the design and maintenance knowledge information recorded in the information recording device.
この知識情報と判定の方法は、CRDの場合、以下のよ
うな例となる。The method of this knowledge information and determination is as follows in the case of CRD.
(知識情報の例) *不具合が、温度高不具合であれば、保全[分解点検]
が必要である。(Example of knowledge information) * If the defect is a high temperature defect, maintain (disassembly and check)
is required.
*不具合が、駆動異常であれば、保全[動作試験]が必
要である。* If the failure is a drive abnormality, maintenance [operation test] is required.
*分解点検の必要な不具合は、設計者の推奨として保全
は必須となる。* Maintenance that is required as a recommendation of the designer is required for any defect that requires overhaul.
(優先度判定の知識情報例) *温度高不具合は、駆動異常より保全対応の優先度が高
い。(Example of knowledge information for priority determination) * A high temperature failure has a higher priority for maintenance than for a drive abnormality.
また、この知識情報は情報記録装置にリレーショナル
型のデータとして記録してあり、迅速な探索、推論が可
能としている。変形例として、ネットワーク型のデータ
記録方式や、知識工学のIF〜THENルール、フレーム方式
などの適用によっても可能である。Further, this knowledge information is recorded in an information recording device as relational data, so that quick search and inference can be performed. As a modification, it is also possible to apply a network-type data recording method, an IF-THEN rule of knowledge engineering, a frame method, or the like.
この結果、重要と推定された設備は、設計推奨として
必要となる保全優先度ランク3として提供される。逆
に、軽微と推定された設備は、予防保全上必要となる保
全優先度ランク4として提供される。As a result, the equipment estimated to be important is provided as a maintenance priority rank 3 required as a design recommendation. Conversely, the equipment estimated to be minor is provided as a maintenance priority rank 4 required for preventive maintenance.
経年劣化傾向の有無とその重要性に関する判定 第4図はこの判定情報の処理結果の例とその設計、保
全知識情報による判断の例を説明するための図である。
この図は、1プラントにおける全てのCRDストールフロ
ーデータ(各保全時における最大、平均、最少値)の経
年変化を図式化した情報処理結果であり、情報処理装置
では、このような処理、図表作成を行なうと共に、図中
ハ、ホ、ヘに示すような線形回帰分析や相関分析による
統計的特徴量を推定する。図中ハ、ホ、ヘの直線は、そ
れぞれストールフローデータの最大、平均、最少値の線
形回帰直線である。FIG. 4 is a diagram for explaining an example of a processing result of this determination information and an example of a determination based on its design and maintenance knowledge information.
This figure shows the information processing results that graphically show the secular change of all CRD stall flow data (maximum, average, minimum values at each maintenance) in one plant. Is performed, and statistical features are estimated by linear regression analysis or correlation analysis as shown in FIGS. In the figure, straight lines C, E, and F are linear regression lines of the maximum, average, and minimum values of the stall flow data, respectively.
経年劣化傾向の有無とその重要性は、例えば、これら
線形回帰直線の傾きが増加傾向にあるか、あるいは図中
イ、ロに示す設計仕様値、性能異常判定値に比較し、次
の保全までの余裕度はどの程度か、により判定する。具
体的には、線形回帰直線の傾きの大きさ、設計仕様値、
性能異常判定値に到達する時間余裕の大きさ、などによ
り、あらかじめ情報記録装置に記録された専門家の判定
値との比較により、重要度のランク付け、すなわち保全
の必要性を推論する。Whether or not there is an aging tendency and its importance can be determined, for example, by checking whether the slope of these linear regression lines is increasing or by comparing the design specification values and performance abnormality judgment values shown in (a) and (b) in the figure until the next maintenance. Is determined based on the degree of margin. Specifically, the magnitude of the slope of the linear regression line, the design specification value,
The degree of importance, that is, the necessity of maintenance is inferred by comparing with a judgment value of an expert recorded in advance in the information recording device based on a time margin to reach the performance abnormality judgment value.
ランク付けは、例えばと同様に重要と推定された設
備は、設計推奨として必要となる保全優先度ランク3と
して提供される。逆に、軽微と推定された設備は、予防
保全上必要となる保全優先度ランク4として提供され
る。As for the ranking, for example, equipment that is estimated to be important is provided as a maintenance priority rank 3 required as a design recommendation. Conversely, the equipment estimated to be minor is provided as a maintenance priority rank 4 required for preventive maintenance.
性能分布異常の有無とその重要性に関する判定 第3図において、項の判定基準(設計仕様値)の代
わりに性能異常判定値を適用し、、と同様の推論に
より、保全の必要性を推論する。Judgment on presence / absence of performance distribution abnormality and its significance In FIG. 3, a performance abnormality judgment value is applied in place of the item criterion (design specification value), and the necessity of maintenance is inferred by the same inference. .
保全周期変更時の推論 初期の保全周期を延長、短縮した保全周期の評価要求
があった場合、あるいは初期の保全周期策定時には、上
記〜の推論以外に保全対象設備の選定支援情報が必
要となる。Reasoning when changing the maintenance cycle When there is a request for evaluation of a maintenance cycle that extends or shortens the initial maintenance cycle, or when formulating the initial maintenance cycle, information on the selection of equipment to be maintained is required in addition to the above inferences above. .
本装置は、このような場合においても対処できるよう
に、専門家の判断手順と知識に基づく、保全対象設備の
選定支援情報の提供を可能としている。The present apparatus is capable of providing support information for selecting equipment to be maintained based on expert judgment procedures and knowledge so as to cope with such a case.
CRDの保全作業では、保全対象のCRDの配置がまとまっ
ている程、作業は迅速に実施できるというメリットがあ
り、運用の長いCRDの方が保全の必要は高いという事実
から、最長運用CRDの中から、保全作業コストにより決
まる保全対応CRD数の範囲で、原子炉内の配置接近性を
考慮した保全対象CRDの選定が必要となる。このよう
な、専門家の判断手順と知識に従って、例えば、運用の
最も古いCRDを情報記録装置に記録された運用履歴情報
より検索、抽出し、それらの原子炉内の配置接近性を計
算し、それらの処理情報は選定支援情報ランク5として
提供される。The maintenance work of CRD has the merit that the more the CRDs to be maintained are arranged, the more quickly the work can be carried out. Therefore, it is necessary to select the CRD to be maintained in consideration of the accessibility in the reactor within the range of the number of CRDs for maintenance determined by the maintenance work cost. According to such expert judgment procedures and knowledge, for example, search the oldest CRD of the operation from the operation history information recorded in the information recording device, extract, calculate the closeness of their arrangement in the reactor, Those pieces of processing information are provided as selection support information rank 5.
以上説明した保全対象設備推論手順Cとその結果得ら
れる保全対応優先度Dより、保全対象CRD、保全推奨理
由、種々の情報処理結果などの保全支援情報Fが提供可
能となる。From the maintenance target equipment inference procedure C described above and the maintenance response priority D obtained as a result, maintenance support information F such as a maintenance target CRD, a maintenance recommendation reason, and various information processing results can be provided.
第5図は、CRDを例とした保全対象設備(点検推奨設
備)選定の実施例を、また第6図は、第5図で示した保
全対象設備の推奨理由を示す。これらの保全支援情報は
情報処理装置を介して、情報入出力装置より表示される
ものである。FIG. 5 shows an embodiment of selection of maintenance target equipment (recommended inspection equipment) using CRD as an example, and FIG. 6 shows reasons for recommendation of the maintenance target equipment shown in FIG. The maintenance support information is displayed from the information input / output device via the information processing device.
第5図では、点検対象とすべきCRDの炉心における位
置と点検推奨理由のサーマリーを示している。この実施
例では、計画点検周期に到達した(保全ランク1の)CR
D34本、設計仕様値を逸脱した(保全ランク2の)CRD2
本、の計36本が点検が必須なCRDとして選定され、また
軽微な性能異常がある(保全ランク4の)CRDが1本、
予防保全として点検が推奨されている。Figure 5 shows a summary of the location of the CRD to be inspected in the core and the reasons for the recommended inspection. In this embodiment, the CR (of the maintenance rank 1) that has reached the planned inspection cycle
D34 pieces, CRD2 that deviated from the design specification value (of maintenance rank 2)
A total of 36 CRDs were selected as inspection-required CRDs, and one CRD with minor performance abnormality (maintenance rank 4) was selected.
Inspection is recommended as preventive maintenance.
第6図では、点検推奨の詳細な理由と実際の測定デー
タ、分析結果、設計・運用情報などを示しており、これ
は、本装置使用者が保全計画を策定する際の意志決定に
対して有益な情報となるものである。Fig. 6 shows the detailed reasons for the recommendation of the inspection, the actual measurement data, the analysis results, the design and operation information, and the like. It is useful information.
以上、一連の保全支援情報により、保守員や設計者な
どの専門家は、保全対応の必要な設備や保全作業計画の
策定あるいは設備保全状況の評価に必要な情報を迅速か
つ容易に得ることが可能となると共に、その意志決定を
適切に行なうことが可能となる。From the above series of maintenance support information, specialists such as maintenance staff and designers can quickly and easily obtain the information necessary to formulate equipment and maintenance work plans that require maintenance response or evaluate the status of equipment maintenance. At the same time, it is possible to make appropriate decisions.
〔発明の効果〕 以上説明したように、本発明によればプラントを構成
する設備機器の性能変化や経年劣化などの設備状態を診
断して一連の保全支援情報が得られると共に、その結果
から保守員や設計者などの専門家は、保全対応の必要な
設備や保全作業計画の策定あるいは設備保全状況の評価
に必要な情報を迅速かつ容易に得ることが可能となり、
またその意思決定を適切に行うことが可能となる。した
がって、設備の信頼性や経済性あるいは稼働率などの向
上に貢献するとともに不具合を未然に防止でき、更に、
保守員の保全情報などの収集、管理、分析、評価にかか
る労力と時間の低減が図れる、という非常に優れた効果
を奏する。[Effects of the Invention] As described above, according to the present invention, a series of maintenance support information can be obtained by diagnosing equipment status such as performance change and aging deterioration of equipment constituting a plant, and maintenance results can be obtained from the results. Experts such as workers and designers can quickly and easily obtain the information necessary to formulate equipment and maintenance work plans that require maintenance measures or evaluate the status of equipment maintenance.
In addition, the decision can be appropriately made. Therefore, it contributes to the improvement of equipment reliability, economy, operation rate, etc., and can prevent problems beforehand.
This is extremely effective in reducing the labor and time required for collecting, managing, analyzing, and evaluating maintenance information and the like of maintenance personnel.
第1図は本発明の一実施例のブロック構成図、第2図は
保全推奨設備選定装置における保全対象設備推論手順の
一例の情報処理判定フロー図、第3図は第2図の推論に
適用する情報処理(性能異常判定)結果を説明する図、
第4図は第2図の推論に適用する情報処理(経年劣化判
定)結果を説明する図、第5図は点検推奨設備選定結果
を示す保全支援情報を説明する図、第6図は点検推奨設
備の選定理由を示す保全支援情報を説明する図である。 1……入力情報、2……情報入出力装置 3……情報処理装置、4……情報記録装置 5……保全推奨設備選定装置、6……出力情報FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a flow chart of an information processing determination example of a maintenance target equipment inference procedure in a maintenance recommended equipment selection device, and FIG. 3 is applied to the inference of FIG. For explaining the information processing (performance abnormality determination) result
FIG. 4 is a diagram for explaining the result of information processing (aging deterioration judgment) applied to the inference of FIG. 2, FIG. 5 is a diagram for explaining maintenance support information indicating a result of selecting equipment to be inspected, and FIG. 6 is a recommended inspection. It is a figure explaining maintenance support information which shows the reason for selecting equipment. 1 ... input information 2 ... information input / output device 3 ... information processing device 4 ... information recording device 5 ... maintenance recommended equipment selection device 6 ... output information
───────────────────────────────────────────────────── フロントページの続き (72)発明者 奥住 直明 東京都港区芝浦1丁目1番1号 株式会 社東芝本社事務所内 (56)参考文献 特開 平1−237494(JP,A) 特開 昭62−276470(JP,A) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Naoaki Okuzumi 1-1-1, Shibaura, Minato-ku, Tokyo Inside the head office of Toshiba Corporation (56) References JP-A-1-237494 (JP, A) 1987-276470 (JP, A)
Claims (1)
全知識情報および使用者の操作要求などの入力と、点検
推奨設備情報,保全作業計画情報などの保全支援情報あ
るいは情報処理結果などの出力を行なう入出力装置と、
前記入出力装置から入出力される情報を記録する情報記
録装置と、装置間の情報受渡し,管理,登録,検索抽出
および統計処理などの情報処理を行なう情報処理装置
と、前記情報処理装置からの情報と前記記録装置に登録
された設計・保全知識情報および使用者の操作要求から
点検推奨設備を推論し,その保全作業計画を提供する保
全推奨設備選定装置とから構成されることを特徴とする
保全対象設備選定装置。1. Input of equipment maintenance information, operation history information, design / maintenance knowledge information, user operation requests, etc., and maintenance support information such as inspection recommended equipment information, maintenance work plan information, etc. An input / output device for outputting,
An information recording device that records information input / output from the input / output device, an information processing device that performs information processing such as information transfer, management, registration, search extraction, and statistical processing between the devices; A maintenance recommended equipment selection device for inferring a recommended inspection equipment from information and design / maintenance knowledge information registered in the recording device and a user operation request, and providing a maintenance work plan thereof. Equipment for equipment selection for maintenance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12049088A JP2642407B2 (en) | 1988-05-19 | 1988-05-19 | Equipment to select equipment for maintenance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12049088A JP2642407B2 (en) | 1988-05-19 | 1988-05-19 | Equipment to select equipment for maintenance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01291115A JPH01291115A (en) | 1989-11-22 |
JP2642407B2 true JP2642407B2 (en) | 1997-08-20 |
Family
ID=14787479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12049088A Expired - Lifetime JP2642407B2 (en) | 1988-05-19 | 1988-05-19 | Equipment to select equipment for maintenance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2642407B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04152453A (en) * | 1990-10-17 | 1992-05-26 | Chubu Electric Power Co Inc | Repair back-up device |
JP3147586B2 (en) * | 1993-05-21 | 2001-03-19 | 株式会社日立製作所 | Plant monitoring and diagnosis method |
JP4931940B2 (en) * | 2009-01-13 | 2012-05-16 | 中国電力株式会社 | Periodic inspection planning method and system for nuclear power plant piping equipment |
JP2012027807A (en) * | 2010-07-27 | 2012-02-09 | Fuji Electric Co Ltd | Trend monitoring system for plant measured values |
CN110415846B (en) * | 2019-08-14 | 2021-08-06 | 苏州热工研究院有限公司 | Method for identifying affected equipment of nuclear power unit in long-term temporary stop |
JP7005807B1 (en) * | 2021-05-18 | 2022-02-10 | 岩井機械工業株式会社 | Maintenance system, server and information processing equipment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62276470A (en) * | 1986-05-26 | 1987-12-01 | Nippon Atom Ind Group Co Ltd | Apparatus for controlling life of machinery/parts |
JPH01237494A (en) * | 1988-03-18 | 1989-09-21 | Hitachi Ltd | Preventive maintenance object selective method and its device |
-
1988
- 1988-05-19 JP JP12049088A patent/JP2642407B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01291115A (en) | 1989-11-22 |
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