Control unit for a transmission and associated operating method

A control unit (14) for regulating the transmission ratio of a transmission (8) which is located in a drive train together with a motor (1), in order to obtain braking assistance through the braking torque of the motor (1) is disclosed. The control unit comprises several signal inputs for receiving...

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Bibliographische Detailangaben
Hauptverfasser:	GRASSL GEORG, GUTKNECHT-STOEHR FLORIAN, PROBST GREGOR, RAMPELTSHAMMER MARTIN
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL 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 BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 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 ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A control unit (14) for regulating the transmission ratio of a transmission (8) which is located in a drive train together with a motor (1), in order to obtain braking assistance through the braking torque of the motor (1) is disclosed. The control unit comprises several signal inputs for receiving the desired braking torque (MSET) and the number of revolutions (NACT) of the motor (1) and/or the vehicle speed; a calculation unit for determining the suitable transmission ratio (ü) of the transmission (8) for achieving the desired braking torque in accordance with the desired braking torque (MSET) and the number of revolutions (NACT) or the vehicle speed; and a signal output for outputting a control signal (ü) which determines the transmission ratio of the transmission (8). An electrical generator (5) which feeds a battery (6) and which has an additional braking torque is located in the drive train. A measuring unit is provided for determining the charge status of the battery (6), this measuring unit being connected to the calculation unit on the output side in order to regulate the transmission ratio of the transmission according to the charge status of the battery (6).