Method and system for gear shifting in a hybrid powertrain

The invention relates to a method, system, vehicle, and computer program product for gear shifting in a hybrid powertrain, that comprises an internal combustion engine; an electric machine; a gearbox; and an energy storage unit connected to the electric machine, and at least one control unit arrange...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Kourie, Afram
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:	The invention relates to a method, system, vehicle, and computer program product for gear shifting in a hybrid powertrain, that comprises an internal combustion engine; an electric machine; a gearbox; and an energy storage unit connected to the electric machine, and at least one control unit arranged in communication with the internal combustion engine, the electric machine, the gearbox and the energy storage unit. The method comprises the steps of: determining an energy level in the energy storage unit; determining an acceleration ability with a subsequent gear; determining a target engine speed for the internal combustion engine based on the energy level in the energy storage unit and the acceleration ability; and controlling the gear shifting based on the target engine speed.