To calculate the number of movable bodies that constitute a movable body traveling in a structure with a lower load.SOLUTION: An acquisition step for acquiring time sequence data which includes the physical quantity generated at a prescribed observation point in a structure in response to the travel of a formation movable body formed by one or more movable bodies in the structure; an environment information acquisition step for acquiring information on the structure length which is the length of the structure, the movable body length which is the length of the movable body and the installation position of the contact area of the movable body with the structure as environment information; a basic frequency derivation step for deriving the basic frequency of the time sequence data on the basis of the time sequence data; a transit time derivation step for deriving a transit time required for the formation movable body to pass through the structure on the basis of the time sequence data; and a number derivation step for deriving the number of movable bodies included in the formation movable body on the basis of the environment information, the basic frequency and the transit time: are included.SELECTED DRAWING: Figure 20
【課題】構造物を移動する移動体にいくつの移動体が編成されているかを、より低負荷に求めることができないという課題があった。【解決手段】1つ以上の移動体が編成された編成移動体が構造物を移動することによる応答として前記構造物における既定の観測点で生じる物理量を含む、時系列データを取得する取得ステップと、前記構造物の長さである構造物長と、前記移動体の長さである移動体長と、前記移動体における前記構造物との接触部位の設置位置と、の情報を、環境情報として取得する環境情報取得ステップと、前記時系列データに基づいて、前記時系列データの基本周波数を導出する基本周波数導出ステップと、前記時系列データに基づいて、前記編成移動体が前記構造物を通過する通過期間を導出する通過期間導出ステップと、前記環境情報と前記基本周波数と前記通過期間とに基づいて、前記編成移動体に含まれる前記移動体の個数を導出する個数導出ステップと、を含む。【選択図】図20
DERIVATION METHOD, DERIVATION DEVICE, DERIVATION SYSTEM AND PROGRAM
導出方法、導出装置、導出システム、プログラム
2023-01-18
Patent
Electronic Resource
Japanese
IPC: | E01D BRIDGES , Brücken / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen |
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