The present invention provides a system and method for changing gear ranges of a four wheel drive vehicle. Methods and system are described for changing a driveline gear range from a higher gear rangeto a lower gear range. A driveline may include two electric machines and four clutches in a four wheel drive configuration. The methods and systems permit the driveline to change from the higher gearrange to the lower gear range without stopping the vehicle.
本公开提供了“用于改变四轮驱动车辆的挡位范围的系统和方法”。描述了用于将传动系挡位范围从较高挡位范围改变为较低挡位范围的方法和系统。所述传动系可包括两个电机和呈四轮驱动配置的四个离合器。所述方法和系统允许传动系在不使车辆停止的情况下从较高挡位范围改变为较低挡位范围。
SYSTEM AND METHOD FOR CHANGING GEAR RANGES OF FOUR WHEEL DRIVE VEHICLE
用于改变四轮驱动车辆的挡位范围的系统和方法
2021-03-02
Patent
Elektronische Ressource
Chinesisch
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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