Control apparatus and method of power transmission system for hybrid elecric vehicle

A control apparatus of a power transmission system is provided and includes an input shaft through which torque from an engine is input and first and second motor/generators. A planetary gear set is disposed on a line from the input shaft and an output shaft transmits torque from the planetary gear...

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Bibliographische Detailangaben
Hauptverfasser:	Park Tae Sic, Huh Jun Hoi, Park Seongeun, Choi Kwangmin
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES INSTRUMENTATION OR DASHBOARDS 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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Beschreibung
Zusammenfassung:	A control apparatus of a power transmission system is provided and includes an input shaft through which torque from an engine is input and first and second motor/generators. A planetary gear set is disposed on a line from the input shaft and an output shaft transmits torque from the planetary gear set and the second motor/generator to driving wheels. A battery supplies electricity to the first and second motor/generators and charges electricity generated therefrom. An HEV mode 1 in which an operation of a first brake and a second brake is released or an HEV mode 2 in which an operation of the second brake is operated is converted based on a mechanical maximum efficiency range, a required power of the engine, a speed ratio of a transmission, and an SOC of the battery.