The invention relates to switching between 2WD and 4WD of a vehicle. It is suggested to increase output power of an engine (106) when changing to 4WD. An AWD coupling (120) is opened, if not already open. To provide 4WD, a PTU clutch (108) is engaged once engine power has increased. The other couplers are sequentially engaged.
CONTROL STRATEGY FOR AWD CONNECTION AND DISCONNECTION
25.06.2015
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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