Vehicle disconnect clutch pre-stroke strategy

A vehicle may include a transmission having an electric machine, an engine, and a controller. The engine may be selectively coupled with the transmission via a disconnect clutch. The controller may be programmed to, in response to an anticipated engine start request, command a disconnect clutch pre-...

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Bibliographic Details
Main Authors McCullough Todd, Masterson Brandon R, Ortmann Walter Joseph, Trice Kimberly
Format Patent
LanguageEnglish
Published 04.04.2017
Subjects
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
MAGNETIC SUSPENSION OR LEVITATION FOR 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 vehicle may include a transmission having an electric machine, an engine, and a controller. The engine may be selectively coupled with the transmission via a disconnect clutch. The controller may be programmed to, in response to an anticipated engine start request, command a disconnect clutch pre-stroke to couple the engine to the transmission prior to an actual engine start request while operating the vehicle in electric mode.
Bibliography:Application Number: US201514801124