MAINTENANCE PLANNING SYSTEM OF PLANT EQUIPMENT

• Main Authors: SEKIAI TAKAO, FUKAI MASAYUKI, HAYASHI YOSHIHARU, MURAKAMI MASAHIRO, SADAE KAZUKI
• Format: Patent
• Language: English; Japanese
• Published: 23.06.2016
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; CALCULATING; COMBUSTION ENGINES; COMPUTING; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ENGINE PLANTS IN GENERAL; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; PHYSICS; STEAM ENGINES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR; WEAPONS

PROBLEM TO BE SOLVED: To provide a maintenance planning system capable of determining an optimum maintenance timing to minimize the total cost of a cumulative value of fuel costs and maintenance cost for equipment maintenance.SOLUTION: A maintenance planning system includes an equipment efficiency calculation portion 12 for calculating equipment efficiency of equipment constituting a plant, a fuel cost calculation portion 13 determining fuel costs of the equipment on the basis of equipment efficiency, a function calculation portion 17 for determining increase tendency of the fuel costs by fitting time-series data of the fuel cost to a function, a cumulative loss calculation portion 16 for determining a cumulative value of the fuel costs, and an optimum maintenance calculation portion 18 to determine the maintenance timing to minimize the total cost of the cumulative value of the fuel cost and the maintenance cost to improve the equipment efficiency.SELECTED DRAWING: Figure 1 【課題】燃料コストの累積値と機器メンテナンスによる保守コストを合わせたトータルコストが最小となるような最適なメンテナンス時期を判定できる、保守計画システムを提供する。【解決手段】プラントを構成する機器の機器効率を演算する機器効率演算部１２と、機器効率に基づいて機器の燃料コストを求める燃料コスト演算部１３と、燃料コストの時系列データを関数にフィッティングして燃料コストの増加傾向を求める関数演算部１７と、燃料コストの累積値を求める累積損失演算部１６と、燃料コストの増加傾向に基づいて、燃料コストの累積値と機器効率を改善するためのメンテナンスコストのトータルコストを最小とするメンテナンス時期を求める最適保守演算部１８と、を備える。【選択図】図１