To estimate a road surface friction coefficient with high accuracy.SOLUTION: A vehicular road surface friction coefficient estimation device 200 is provided and includes: a first road surface friction coefficient estimation unit 110 for estimating a first road surface friction coefficient on the basis of vehicle information acquired from an own vehicle; a second road surface friction coefficient estimation unit 140 for estimating a second road surface friction coefficient on the basis of external information acquired from the outside of the vehicle; and a third road surface friction coefficient estimation unit for estimating a road surface friction coefficient from the first road surface friction coefficient and the second road surface friction coefficient on the basis of a first confidence representing the reliability of the first road surface friction coefficient and a second confidence representing the reliability of the second road surface friction coefficient.SELECTED DRAWING: Figure 1

    【課題】路面摩擦係数を精度良く推定すること。【解決手段】自車両から得られる車両情報に基づいて、第1の路面摩擦係数を推定する第1の路面摩擦係数推定部110と、車両の外部から得られる外部情報に基づいて、第2の路面摩擦係数を推定する第2の路面摩擦係数推定部140と、第1の路面摩擦係数の信頼性を表す第1の信頼度と第2の路面摩擦係数の信頼性を表す第2の信頼度とに基づいて、前記第1の路面摩擦係数と前記第2の路面摩擦係数とから路面摩擦係数を推定する第3の路面摩擦係数推定部と、を備える、車両の路面摩擦係数推定装置200が提供される。【選択図】図1


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    Title :

    VEHICULAR ROAD SURFACE FRICTION COEFFICIENT ESTIMATION DEVICE AND VEHICULAR ROAD SURFACE FRICTION COEFFICIENT ESTIMATION METHOD


    Additional title:

    車両の路面摩擦係数推定装置及び車両の路面摩擦係数推定方法


    Contributors:

    Publication date :

    2019-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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