Method and system for controlling at least one electrical machine to eliminate drivetrain backlash

A method and a system for a vehicle are presented. The vehicle including:- one or more power sources including at least one electrical machine; - a drivetrain for transferring torque between the one or more power sources and at least one drive wheel of the vehicle;the method including:- controlling,...

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Bibliographische Detailangaben
Hauptverfasser:	Berglund, Martin, Engman, Marcus
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 BLASTING BRAKES CLUTCHES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method and a system for a vehicle are presented. The vehicle including:- one or more power sources including at least one electrical machine; - a drivetrain for transferring torque between the one or more power sources and at least one drive wheel of the vehicle;the method including:- controlling, when no positive drive torque (T) is transferred from the drivetrain to the at least one drive wheel, the at least one electrical machine to provide a backlash torque (T) to the drivetrain, the backlash torque (T) having a controlled value for turning the drivetrain if there is a backlash present in the drivetrain.