A powertrain system includes an internal combustion engine, at least one electric machine and an electro-mechanical transmission operative to transmit torque to a drive line. A method for controlling the powertrain system includes executing an engagement strategy of a one-way clutch device only having capacity in a first direction. The engagement strategy includes modeling a capacity of the one-way clutch device in accordance with a loading step change profile until a first capacity limit of the one-way clutch device is achieved. A continuous reactive load is applied to the one-way clutch device in the first direction to maintain engagement and inhibit lash of the one-way clutch device.


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    Titel :

    Controls and diagnostics for mechanical friction elements


    Beteiligte:

    Erscheinungsdatum :

    23.06.2015


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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