SYSTEM AND METHOD OF POWER MANAGEMENT FOR A HYBRID VEHICLE

A system and method of managing power in a hybrid vehicle are provided. The system includes an engine, first and second electronic power components, a power storage device, and a controller. The power storage device is configured to supply a power output to the second electronic power component nece...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOENEK NORMAN, TOLKACZ JOSEPH M, KIM MIN-JOONG
Format:	Patent
Sprache:	eng
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 system and method of managing power in a hybrid vehicle are provided. The system includes an engine, first and second electronic power components, a power storage device, and a controller. The power storage device is configured to supply a power output to the second electronic power component necessary for the second electronic power component to drive a second set of drive wheels, in an electronic all-wheel drive mode. In steep grade environments, the power storage device is depleted at a higher rate, and may require a power input in addition to the power input of a conventional charge to adequately supply the second electronic power component with adequate power. To provide this power, the controller executes a series of control steps to increase a power output of the first electronic power component, by increasing the speed of the engine, thereby providing continuous power to the power storage device.