The present invention addresses the problem of improving the accuracy of calculating the depth of water at a flooding location. In one examplary case, a road surface water depth calculation device includes: an acquisition unit configured to acquire flooding locations at which a vehicle travels and water depth candidates of the flooding locations; an extraction unit configured to extract a plurality of continuous flooding locations from the acquired flooding locations; an altitude acquisition unit configured to acquire altitudes of the extracted flooding locations; an estimation unit configuredto calculate a sum of the water depth candidate and the altitude, acquired by the altitude acquisition unit, of each of the extracted flooding locations, and estimate the sum as a water surface altitude which is an altitude of a water surface of each of the extracted flooding locations; and a calculation unit configured to calculate a water depth of the extracted flooding location based on the water surface altitude and the altitude, acquired by the altitude acquisition unit, of each of the extracted flooding locations.
本发明的课题在于能够使淹水地点的水深的计算精度提高。实施方式的路面水深计算装置作为一个例子,具备:获取部,其获取车辆行驶的淹水地点和该淹水地点的候补水深;提取部,其提取所获取的上述淹水地点中的连续的多个上述淹水地点;标高获取部,其获取所提取的上述淹水地点的标高;推定部,其将所提取的上述各淹水地点的上述候补水深与由上述标高获取部获取的标高的合计值推定为所提取的上述各淹水地点的水面的标高亦即水面标高;以及计算部,其基于所提取的上述各淹水地点的上述水面标高和由上述标高获取部获取的标高,计算所提取的上述淹水地点的水深。
ROAD SURFACE WATER DEPTH CALCULATION DEVICE
路面水深计算装置
2021-02-05
Patent
Elektronische Ressource
Chinesisch
Modeling of the connection road surface microtexture/water depth/friction
Tema Archiv | 2013
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