Embodiments of the present invention provide a controller for a starter motor operable to receive a first input indicative of an engine shutdown being required, a second input indicative of a change-of-mind event having occurred after initiation of engine shutdown and a third input indicative of the engine position. After receipt of the first input the controller is operable to monitor the third input and to determine an expected engine rotation direction indicative of the expected rotation direction of the engine after a predetermined delay. If the expected engine rotation direction is positive and the second input is received then the controller is configured to control the output means to cause the starter motor of the engine to be actuated upon receipt of the second input. If the expected engine rotation direction is negative and the second input is received then the controller is configured to delay controlling the output means to cause the starter motor of the engine to be actuated until a determination is made that the expected rotation direction is positive. Advantageously, the controller calculates the expected engine rotation direction before receipt of the input indicative of the change-of-mind event having occurred, thereby reducing the time required to determine whether or not the starter motor can be actuated.


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    Titel :

    Controller and method for operating starter motor


    Beteiligte:
    STEPHEN STACEY (Autor:in) / IAN COOPER (Autor:in) / ADAM MOORCROFT (Autor:in)

    Erscheinungsdatum :

    27.10.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / 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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