METHODS AND SYSTEM FOR IMPROVING HYBRID VEHICLE EFFICIENCY

Systems and methods for operating a hybrid powertrain that includes an engine and a motor/generator are described. The systems and methods provide different ways to transition engine operating conditions between two low engine fuel consumption operating regions that are separated by a higher engine...

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Bibliographic Details
Main Authors Miller Kenneth James, Haladyna Ted, Martin Douglas Raymond
Format Patent
LanguageEnglish
Published 10.08.2017
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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Abstract Systems and methods for operating a hybrid powertrain that includes an engine and a motor/generator are described. The systems and methods provide different ways to transition engine operating conditions between two low engine fuel consumption operating regions that are separated by a higher engine fuel consumption operating region. In one example, engine torque is increased at a higher rate in a fuel economy mode to increase an amount of time an engine operates in one of the two low fuel consumption operating regions.
AbstractList Systems and methods for operating a hybrid powertrain that includes an engine and a motor/generator are described. The systems and methods provide different ways to transition engine operating conditions between two low engine fuel consumption operating regions that are separated by a higher engine fuel consumption operating region. In one example, engine torque is increased at a higher rate in a fuel economy mode to increase an amount of time an engine operates in one of the two low fuel consumption operating regions.
Author Haladyna Ted
Miller Kenneth James
Martin Douglas Raymond
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Snippet Systems and methods for operating a hybrid powertrain that includes an engine and a motor/generator are described. The systems and methods provide different...
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SubjectTerms 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
Title METHODS AND SYSTEM FOR IMPROVING HYBRID VEHICLE EFFICIENCY
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