A hybrid electric vehicle includes a powertrain controller and an anti-lock braking system (ABS) controller. The powertrain controller modulates the torque delivered by an internal combustion engine, a generator, and a motor to deliver a desired torque to two drive wheels. The ABS controller modulates the braking torque exerted by brakes on each of the four wheels. During modest braking events with good traction, the motor recaptures vehicle kinetic energy. During heavy braking and/or poor traction, the ABS controller and motor controller each respond to speed sensor signals to modulate the motor and brake torques to minimize stopping distance. The motor torque responds more quickly than the brake torque such that the frequency of oscillation is higher for the combined system than for an independent ABS system.


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    Title :

    HYBRID VEHICLE AND METHOD OF OPERATION


    Contributors:
    BAYAR KEREM (author) / YU HAI (author) / MCGEE RYAN ABRAHAM (author)

    Publication date :

    2015-08-27


    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



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