一种用于车辆的混合动力电动动力系包括:内燃发动机;电机;变矩器,其具有泵、涡轮和和变矩器离合器(“TCC”),该TCC被构造成在被应用时将泵锁定到涡轮;单向发动机断连离合器,其连接到涡轮;变速器;以及控制器。变速器输入轴直接联接到电机并且经由断连离合器选择性地联接到发动机。输出轴可连接到车辆的道路车轮。控制器响应于发动机关闭请求来分别确定涡轮的涡轮速度和泵的泵速度;当泵速度小于涡轮速度时,登记发动机处于发动机关闭状态;以及当在发动机关闭状态期间泵速度为零时,使用来自电机的电机扭矩来执行电动车辆(“EV”)模式换档。

    A hybrid electric powertrain for a vehicle includes an engine, electric machine, torque converter having a pump, turbine, and torque converter clutch (“TCC”) configured, when applied, to lock the pump to the turbine, a one-way engine disconnect clutch connected to the turbine, a transmission, and a controller. A transmission input shaft directly couples to the electric machine, and is selectively coupled to the engine via the disconnect clutch. An output shaft is connectable to road wheels of the vehicle. The controller, in response to an engine-off request, determines turbine and pump speeds of the turbine and pump, respectively, registers that the engine is in an engine-off state when the pump speed is less than the turbine speed, and executes an electric vehicle (“EV”) mode shift using machine torque from the electric machine when the pump speed is zero during the engine-off state.


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    Titel :

    具有发动机扭矩平滑转变控制逻辑的混合动力电动动力系


    Erscheinungsdatum :

    2024-05-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES