To make it possible to improve an accuracy of calculating a water depth at a flooding point.SOLUTION: As an example, a road surface water depth calculation device of an embodiment comprises: an acquisition unit that acquires a flooding point where a vehicle travels and a water depth candidate at the flooding point; an extraction unit that extracts a plurality of consecutive flooding points among the acquired flooding points; an altitude acquisition unit that acquires an altitude of the extracted flooding points; an estimation unit that estimates a sum of the water depth candidate of each of the extracted flooding points and the altitude acquired by the altitude acquisition unit as a water surface elevation that is the altitude of the water surface of each of the extracted flooding points; and a calculation unit that calculates a water depth of the extracted flooding point based on the water surface elevation of each of the extracted flooding points and the altitude acquired by the altitude acquisition unit.SELECTED DRAWING: Figure 1
【課題】冠水地点の水深の算出精度を向上させることを可能とする。【解決手段】実施形態の路面水深算出装置は、一例として、車両が走行する冠水地点と当該冠水地点の水深候補とを取得する取得部と、取得した前記冠水地点のうち、連続する複数の前記冠水地点を抽出する抽出部と、抽出した前記冠水地点の標高を取得する標高取得部と、抽出した前記各冠水地点の前記水深候補と、前記標高取得部により取得される標高と、の合計を、抽出した前記各冠水地点の水面の標高である水面標高と推定する推定部と、抽出した前記各冠水地点の前記水面標高と、前記標高取得部により取得される標高と、に基づいて、抽出した前記冠水地点の水深を算出する算出部と、を備える。【選択図】図1
ROAD SURFACE WATER DEPTH CALCULATION DEVICE
路面水深算出装置
2021-02-15
Patent
Elektronische Ressource
Japanisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Modeling of the connection road surface microtexture/water depth/friction
Tema Archiv | 2013
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