A method and control system for controlling a mode change in a hybrid vehicle, the method 400 comprising: determining that a trigger condition 402 is satisfied, wherein satisfaction of the trigger condition is dependent on a vehicle speed of the vehicle relative to at least one threshold speed, the at least one threshold speed being a vehicle speed no greater than four metres per second; and based at least on the determination, controlling when a mode change between a first operating mode and a second operating mode is performed, wherein in the first operating mode the ICE (202, Fig.2) is in a disconnected state not configured to provide tractive torque, and an electric machine (212) is configured to provide tractive torque, and wherein in the second operating mode at least the ICE is in a connected state configured to provide tractive torque. Mode change from second to first operating mode may occur when vehicle speed falls below a falling speed threshold. The at least one threshold may depend on the selected gear ratio. Inhibition of mode change may be overridden if a torque request is greater than a torque threshold, for example due to kick-down or vehicle braking requirement.


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    Titel :

    Trigger conditions for hybrid vehicle operating mode changes


    Beteiligte:

    Erscheinungsdatum :

    2021-10-27


    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



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