Misfire detection techniques for a hybrid electric vehicle (HEV) including an internal combustion engine and an electric motor involve utilizing a crankshaft speed sensor configured to generate a crankshaft speed signal indicative of a rotational speed of a crankshaft of the engine that is coupled to the electric motor via a flywheel. The techniques also utilize a controller configured to control the electric motor to provide a vibrational response to dampen disturbances to the crankshaft, receive the crankshaft speed signal, selectively modify the crankshaft speed signal to obtain a modified crankshaft speed signal, and detect a misfire of the engine based on the modified crankshaft speed signal and a set of thresholds including at least one of a negative misfire threshold and a positive vibrational response threshold.


    Access

    Download


    Export, share and cite



    Title :

    RESPONSE AMPLITUDE MODIFICATION FOR HYBRID ELECTRIC VEHICLE MISFIRE DETECTIONS


    Additional title:

    MODIFIZIERUNG DER REAKTIONSAMPLITUDE FÜR FEHLZÜNDUNGSFESTSTELLUNG BEI EINEM ELEKTRISCHEN HYBRIDFAHRZEUG
    MODIFICATION D'AMPLITUDE DE LA RÉPONSE POUR DÉTECTIONS DE RATÉS D'ALLUMAGE DE VÉHICULE ÉLECTRIQUE HYBRIDE


    Contributors:
    GUO YICHAO (author) / STACK ROBERT (author) / WU GANG (author) / QUILES MARCIO (author)

    Publication date :

    2020-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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



    RESPONSE AMPLITUDE MODIFICATION FOR HYBRID ELECTRIC VEHICLE MISFIRE DETECTIONS

    GUO YICHAO / STACK ROBERT / WU GANG et al. | European Patent Office | 2017

    Free access

    RESPONSE AMPLITUDE MODIFICATION FOR HYBRID ELECTRIC VEHICLE MISFIRE DETECTIONS

    GUO YICHAO / STACK ROBERT / WU GANG et al. | European Patent Office | 2017

    Free access

    Response amplitude modification for hybrid electric vehicle misfire detections

    GUO YICHAO / STACK ROBERT / WU GANG et al. | European Patent Office | 2018

    Free access

    ENGINE MISFIRE DETECTION DEVICE IN A HYBRID ELECTRIC VEHICLE

    HOTTA SHINTARO / TAKAHASHI YUYA / IGUMA HIROKI et al. | European Patent Office | 2024

    Free access

    HYBRID VEHICLE ENGINE MISFIRE DETERMINATION DEVICE

    SATO ARATA | European Patent Office | 2023

    Free access