HYBRID VEHICLE AND METHOD OF OPERATION

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 modulat...

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Bibliographic Details
Main Authors YU HAI, MCGEE RYAN ABRAHAM, BAYAR KEREM
Format Patent
LanguageEnglish
Published 27.08.2015
Subjects
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
TRANSPORTING
VEHICLES IN GENERAL
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Summary: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.
Bibliography:Application Number: US201414185981