According to the present invention, an unsprung state detection part (140) calculates (S11-S13) a fluctuation amount (X) (= |[phi]-[phi]'|) which is the size of the difference between a detected angle ([phi]) outputted by a resolver rotational angle sensor (40) for detecting the rotational angle of an in-wheel motor (30), and an estimated angle ([phi]') of the motor rotational angle. The estimated angle ([phi]') can be calculated by adding the estimated angle whereby the motor (30) has rotated during one computation cycle to the detected angle ([phi]n-1) of the previous computation cycle. When the fluctuation amount (X) is greater than a road surface determination threshold (Xref), the unsprung state detection part (140) determines (S14, S15) that the road on which a vehicle (1) is traveling is a bad road. The rotational angle sensor (40) can thereby be used to perform a road surface determination.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Vehicle state detection


    Beteiligte:
    KURATA FUMITO (Autor:in) / SUZUKI TAKASHI (Autor:in)

    Erscheinungsdatum :

    12.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



    VEHICLE STATE DETECTION APPARATUS, VEHICLE, AND VEHICLE STATE DETECTION METHOD

    SEKIGUCHI RYO | Europäisches Patentamt | 2025

    Freier Zugriff

    Vehicle state detection method and vehicle state detection device

    ZHAO LEI | Europäisches Patentamt | 2015

    Freier Zugriff

    Vehicle state detection

    SCHWARTZ ROY / SCHWARTZ ZARICK | Europäisches Patentamt | 2015

    Freier Zugriff

    Work vehicle state detection system, work vehicle, and work vehicle state detection method

    SANO SHINYA / HIRANO YOSHITAKA / YOSHIMOTO MATSUO et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    VEHICLE BODY STATE DETECTION SYSTEM AND VEHICLE BODY STATE DETECTION METHOD

    KANAMORI KEITA / YOSHIZAWA HITOSHI | Europäisches Patentamt | 2023

    Freier Zugriff