A method for mitigating clunk in a driveline of a vehicle system during a declutch event includes determining a current torque request of a prime mover based on an accelerator pedal position of an accelerator pedal of the vehicle system. The method includes determining a clutch pedal position and determining, via a controller, a clutch pedal speed based on a change of the clutch pedal position over time. The method further includes modifying, via the controller, the current torque request to obtain a modified torque request based on the clutch pedal position and the clutch pedal speed such that a stored potential energy in the driveline is minimized by a time that the clutch pedal of the vehicle system is disengaged during the declutch event.


    Access

    Download


    Export, share and cite



    Title :

    DECLUTCH CLUNK MITIGATION THROUGH TORQUE INTERVENTION


    Contributors:

    Publication date :

    2020-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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



    Declutch clunk mitigation through torque intervention

    JOHNSON DEREK W / HANNER DAVID T / HOFFMAN SHAUN D | European Patent Office | 2020

    Free access

    Control-Oriented Modeling of a Vehicle Drivetrain for Shuffle and Clunk Mitigation

    Robinette, Darrell / Blough, Jason / Doering, Jeff et al. | SAE Technical Papers | 2019


    CLUNK MITIGATION TECHNIQUES FOR PEDAL TIP-IN AND TIP-OUT EVENTS

    SHRESTHA AMIT / ESTEFANOUS FADI / ZHONG LURUN et al. | European Patent Office | 2018

    Free access

    Optimal engine torque management for reducing driveline clunk using time-dependent metamodels

    Wehrwein,D. / Mourelatos,Z.P. / Oakland Univ.,US | Automotive engineering | 2007


    Control-Oriented Modeling of a Vehicle Drivetrain for Shuffle and Clunk Mitigation

    Reddy, Prithvi / Darokar, Kaushal / Robinette, Darrell et al. | British Library Conference Proceedings | 2019