To estimate a grip factor of a wheel which is easily manufactured and implemented and maximizes performance and/or safety.SOLUTION: An apparatus includes: a control unit (10) configured to process a current slip angle (α) of wheels (2, 3); and a storage unit (19) for recording to a reference table (CT) a plurality of grip curves (GC) correlating a plurality of values of steering parameter including a rack force (RF) with a plurality of values of slip angle (α). The apparatus is configured so that the control unit (10) cyclically estimates at least one raw value (RG) of at least one grip factor (G) of the wheels (2, 3) on the basis of a position of the current state (AC) in the reference table (CT) as functions of the current slip angle (α) and the current rack force (RF) with value of the grip factor (G) unchanged along the same curve.SELECTED DRAWING: Figure 1

    【課題】製造および実装が容易で性能および/または安全性を最大化する、車輪のグリップファクタを推定する。【解決手段】車輪(2、3)の現在のスリップ角(α)を処理するように構成された制御ユニット(10)と、ラック力(RF)を含むステアリングパラメータの複数の値をスリップ角(α)の複数の値と相関させる複数のグリップ曲線(GC)が参照テーブル(CT)に記録される記憶ユニット(19)と、を備え、同じ曲線に沿って、グリップファクタ(G)の値は変化しないままであり、制御ユニット(10)が、現在のスリップ角(α)および現在のラック力(RF)の関数として、参照テーブル(CT)内の現在の状態(AC)の位置に基づいて、前記少なくとも1つの車輪(2、3)のグリップファクタ(G)の少なくとも1つの生の値(RG)を周期的に推定するように構成されている、装置。【選択図】図1


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    Title :

    APPARATUS AND METHOD FOR ESTIMATING GRIP FACTOR OF WHEEL OF ROAD VEHICLE, AND RELATIVE ROAD VEHICLE


    Additional title:

    道路車両の車輪のグリップファクタを推定するための装置および方法、ならびに関連道路車両


    Contributors:

    Publication date :

    2023-02-15


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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