Method and apparatus for monitoring regenerative braking operation in a hybrid powertrain system

A hybrid powertrain system includes an engine and a torque actuator coupled to a driveline to transfer tractive power to a wheel including a friction brake. A method includes monitoring an operator braking request and determining a request for regenerative braking torque. Operation of the torque act...

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Bibliographic Details
Main Authors BUUR, HANNE, CAWTHORNE, WILLIAM R
Format Patent
LanguageEnglish
French
German
Published 27.03.2013
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 powertrain system includes an engine and a torque actuator coupled to a driveline to transfer tractive power to a wheel including a friction brake. A method includes monitoring an operator braking request and determining a request for regenerative braking torque. Operation of the torque actuator to react tractive power is inhibited when a fault is detected in the monitored request for regenerative braking torque and achieved regenerative braking torque.
Bibliography:Application Number: EP20080018830