To provide a road surface condition survey system, road surface condition survey device and road surface condition survey method for generating information with which a user can further accurately and detailedly acquire three-dimensional road surface conditions.SOLUTION: A road surface condition survey system includes: road surface measurement means mounted on a vehicle, measuring by a light-section method, height of a road surface on which the vehicle travels, at intervals corresponding to crack detection accuracy, and outputting road surface measurement data including the heights of respective points on the road surface, on a coordinate system fixed to the vehicle; vehicle measurement means for measuring geographical locations and attitudes of the vehicle at periods corresponding to the height measurements, and outputting vehicle measurement data including the measurement results; location specification means for specifying three-dimensional geographical locations of the respective points on the road surface based on the road surface measurement data and the vehicle measurement data; crack detection means for detecting crack points based on the heights included in the road surface measurement data; and three-dimensional crack diagram generation means for generating a three-dimensional crack diagram representing three-dimensional geographical locations of the crack points.SELECTED DRAWING: Figure 5

    【課題】道路面の三次元的な性状をユーザがより精度よく詳細に把握可能な情報を生成する路面性状調査システム、路面性状調査装置及び路面性状調査方法を提供する。【解決手段】路面性状調査システムは、車両に搭載されて車両が走行する道路面の高さを光切断法によりひび割れ検出精度に応じた間隔で計測し、車両に固定された座標系で道路面の各地点の高さを含む路面計測データを出力する路面計測手段と、高さ計測と対応する期間に車両の地理的位置及び姿勢を計測して、計測結果を含む車両計測データを出力する車両計測手段と、路面計測データと車両計測データにより道路面の各地点の地理的三次元位置を特定する位置特定手段と、路面計測データに含まれる高さに基づいてひび割れ地点を検出するひび割れ検出手段と、ひび割れ地点の地理的三次元位置を示す三次元ひび割れ図を生成する三次元ひび割れ図生成手段と、を備える。【選択図】図5


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    Title :

    ROAD SURFACE CONDITION SURVEY SYSTEM, ROAD SURFACE CONDITION SURVEY DEVICE AND ROAD SURFACE CONDITION SURVEY METHOD


    Additional title:

    路面性状調査システム、路面性状調査装置、及び路面性状調査方法


    Contributors:

    Publication date :

    2022-09-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E01C Bau von Straßen, Sportplätzen oder dgl., Decken dafür , CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS