FLUID PRESSURE ESTIMATION DEVICE AND FLUID PRESSURE ESTIMATION METHOD

• Main Authors: MURAKAMI EIJI, SHIONO NAOSHI, MASUDA TOMONORI
• Format: Patent
• Language: English; Japanese
• Published: 17.01.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

To provide a fluid pressure estimation device capable of acquiring the pressure of a conduit network in a shorter period than the interval at which flow rates are acquired by a flowmeter.SOLUTION: A fluid pressure estimation device 100 includes: a flow rate acquisition unit (105) configured to acquire a fluid flow rate, in a first period, at a first specific point arranged in a conduit network for transporting fluid; a flow rate estimation unit (106) configured to estimate a fluid flow rate at the first specific point in a second period based on the fluid flow rate at the first specific point in the first period and period flow rate relationship information indicating a relationship between a fluid flow rate in the first period acquired in advance and a fluid flow rate in a second period shorter than the first period; a pressure acquisition unit (107) configured to acquire a fluid pressure in the second period at a second specific point arranged in the conduit network; and a pressure estimation unit (108) configured to estimate the fluid pressure at the first specific point in the second period based on information regarding the conduit network acquired in advance, the fluid flow rate at the first specific point in the second period, and the fluid pressure at the second specific point in the second period.SELECTED DRAWING: Figure 2 【課題】流量計によって流量を取得する間隔よりも短い期間での導管網の圧力を取得することができる流体圧力推定装置を提供する。【解決手段】流体圧力推定装置１００は、流体を輸送するための導管網に配置された第１特定点の、第１期間における流体の流量を取得する流量取得部（１０５）と、第１特定点の第１期間における流体の流量と、予め取得した第１期間における流体の流量と第１期間よりも短い第２期間における流体の流量との関係を示す期間流量関係情報と、に基づいて、第１特定点の第２期間における流体の流量を推定する流量推定部（１０６）と、導管網に配置された第２特定点の、第２期間における流体の圧力を取得する圧力取得部（１０７）と、予め取得した導管網に関する情報と、第１特定点の第２期間における流体の流量と、第２特定点の第２期間における流体の圧力と、に基づいて、第１特定点の第２期間における流体の圧力を推定する圧力推定部（１０８）と、を備えた。【選択図】図２