A device (16) for estimating a grip factor (G) of at least one wheel (2, 3) comprises: a control unit (10) configured to process a current slip angle (alpha) of the wheel (2, 3); and a storage unit (19) in which a plurality of grip curves (GC) in which a plurality of values of a steering parameter including a rack force (RF) and a plurality of values of a slip angle (alpha) are associated are recorded in a look-up table (CT), the value of a grip factor (G) being kept unchanged on the same curve. Wherein the control unit (10) is configured to periodically estimate at least one original value (RG) of the grip factor (G) of the at least one wheel (2, 3) as a function of the current slip angle (alpha) and the current rack force (RF) on the basis of the position of the current state (AC) within the look-up table (CT).

    一种估算至少一个车轮(2,3)的抓地力因数(G)的设备(16),其包括:控制单元(10),其被构造为处理所述车轮(2,3)的当前滑移角(α);存储单元(19),在其内部的查询表(CT)中记录了将包括齿条力(RF)的转向参数的多个值与滑移角(α)的多个值相关联的多条抓地力曲线(GC),抓地力因数(G)的值在同一条曲线上保持不变,其中控制单元(10)被构造为基于查询表(CT)内的当前状态(AC)的位置根据当前滑移角(α)和当前齿条力(RF)周期性地估算所述至少一个车轮(2,3)的抓地力因数(G)的至少一个原始值(RG)。


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    Title :

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


    Additional title:

    估算道路车辆的车轮的抓地力因数的设备和方法以及相关道路车辆


    Contributors:

    Publication date :

    2023-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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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