A road surface friction estimation device includes: a first estimation part to calculate a provisional maximum friction value based on a physical quantity in relation to friction between a road surface and a tire; a range determination part to determine a determination range of the provisional maximum friction value based on an average value and a standard deviation of the provisional maximum friction values; and a second estimation part to determine the provisional maximum friction value as an estimated maximum friction value when the provisional maximum friction value is within the determination range. The second estimation part determines a corrected value, which is a value within the determination range, as the estimated maximum friction value when the provisional maximum friction value is out of the determination range.


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    Title :

    ROAD SURFACE FRICTION ESTIMATION DEVICE


    Contributors:

    Publication date :

    2025-03-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / 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



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