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

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BUUR, HANNE, CAWTHORNE, WILLIAM R
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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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Beschreibung
Zusammenfassung: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.