To provide a method capable of estimating a gravity center position for any vehicle without limitation on a vehicle structure.SOLUTION: A method prepares a "formula of gravity center position change" derived from simultaneous equations of a "balance formula of lateral movement at vacancy" in which all of the items are grasped and a "balance formula of lateral movement at loading" in which an occupant or load is changed, obtains a "gravity center position change length" by calculating a front shaft position lateral slip angle and a rear shaft position lateral slip angle that are unknown in the formula by using a measured value of a GPS mounted at any position vertically on a vehicle longitudinal central shaft, and obtains a gravity center position at loading by adding the obtained "gravity center position change length" to the "gravity center position at vacancy".SELECTED DRAWING: Figure 1

    【課題】車両構造に限定されず任意の車両に対して重心位置を推定できる方法を提供する。【解決手段】諸元の全てが把握されている「空車時横運動のつり合い式」と、乗員ないし積荷が変化した「積載時横運動のつり合い式」との連立方程式から導出される「重心位置変化の式」を用意して、この式に含まれる未知数である前軸位置横すべり角と後軸位置横すべり角を、車両前後中心軸鉛直上の任意の位置に装備したGPSの実測値を用いて計算して、「重心位置変化長」を求める。求めた「重心位置変化長」を「空車時重心位置」に加えて、積車時重心位置を求める。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    GRAVITY CENTER POSITION ESTIMATION METHOD FOR VEHICLE


    Additional title:

    車両の重心位置推定方法


    Contributors:

    Publication date :

    2022-02-10


    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



    VEHICLE CENTER-OF-GRAVITY POSITION ESTIMATION DEVICE

    OGAWA KUNIHARU | European Patent Office | 2020

    Free access

    GRAVITY CENTER POSITION ESTIMATION SYSTEM OF VEHICLE

    MOMIYAMA FUJIO / EJIRI KENJI / CHO KATSUYUKI et al. | European Patent Office | 2021

    Free access

    GRAVITY CENTER ESTIMATION DEVICE FOR INDUSTRIAL VEHICLE

    HATTORI TATSUYA | European Patent Office | 2023

    Free access

    CENTER-OF-GRAVITY POSITION MEASUREMENT METHOD

    SUZUKI YOICHI | European Patent Office | 2020

    Free access

    VEHICLE HAVING CENTER OF GRAVITY LOAD ESTIMATION

    WEGNER CHRISTIAN / GHANNAM MAHMOUD YOUSEF / HAMDAN MUHANNAD ANWAR | European Patent Office | 2024

    Free access