PROBLEM TO BE SOLVED: To provide a road surface gradient estimation device and a road surface gradient estimation method which can estimate with high accuracy road surface gradients by reducing estimate errors at the time of starting a vehicle.SOLUTION: A road surface gradient estimation device 30 comprises a vehicle speed sensor 26, an acceleration sensor 27 and a road surface gradient calculation portion 31. The road surface gradient calculation portion 31 is constituted to comprise an estimation portion 32 that estimates road surface gradients and an output portion 33 that outputs an estimate value θ(x-1) before starting a vehicle, estimated by the estimation portion 32 before starting the vehicle 10 until the vehicle travels in a direction corresponding to an operation command at the time of starting the vehicle 10.SELECTED DRAWING: Figure 3

    【課題】車両の発進時の推定誤差を低減して、路面勾配を高精度に推定する路面勾配推定装置及び路面勾配推定方法を提供する。【解決手段】路面勾配推定装置30は、車速センサ26と、加速度センサ27と、路面勾配演算部31とを備え、路面勾配演算部31が、路面勾配を推定する推定部32と、車両10が発進時の操作指令に応じた方向に進むまでの間は、車両10が発進する前に推定部32により推定された発進前推定値θ(x−1)を出力する出力部33と、を備えて構成される。【選択図】図3


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    Title :

    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD


    Additional title:

    路面勾配推定装置及び路面勾配推定方法


    Contributors:

    Publication date :

    2017-12-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS



    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD

    YAHAGI SHUICHI / TAKAHASHI YUSUKE | European Patent Office | 2017

    Free access

    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD

    YAHAGI SHUICHI | European Patent Office | 2017

    Free access

    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD

    YAHAGI SHUICHI | European Patent Office | 2018

    Free access

    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD

    YAHAGI SHUICHI / TAKAHASHI YUSUKE | European Patent Office | 2017

    Free access

    ROAD SURFACE GRADIENT ESTIMATION DEVICE AND ROAD SURFACE GRADIENT ESTIMATION METHOD

    YAHAGI SHUICHI / TAKAHASHI YUSUKE | European Patent Office | 2018

    Free access