Method for calibrating an actuator of an all-wheel drive clutch

A method for the readjustment of an actuator of an all-wheel drive clutch of a motor vehicle that includes determining a clutch slip value corresponding to a difference between the speed of a primary axle and the speed of a secondary axle; determining a reference secondary axle torque corresponding...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PARIGGER MARTIN
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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A method for the readjustment of an actuator of an all-wheel drive clutch of a motor vehicle that includes determining a clutch slip value corresponding to a difference between the speed of a primary axle and the speed of a secondary axle; determining a reference secondary axle torque corresponding to the proportion of a driving torque which is transmitted to the secondary axle and for which a clutch slip value of substantially zero is expected; and comparing the clutch slip value with a threshold value and comparing a desired clutch torque with the reference secondary axle torque. A desired clutch torque/control signal relationship for the clutch actuator is changed in dependence on the result of these comparisons.