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    • 18. 发明公开
    • POWER TRANSMISSION CONTROL DEVICE FOR VEHICLE
    • 车辆动力传动控制装置
    • EP2565485A1
    • 2013-03-06
    • EP11774702.2
    • 2011-03-02
    • AISIN AI Co., Ltd.
    • TOYODA, HiroshiMIYAZAKI, Takeshige
    • F16D48/02F16H61/02
    • F16D48/06B60Y2300/427F16D2500/10412F16D2500/108F16D2500/3026F16D2500/30401F16D2500/30816F16D2500/30818F16D2500/3108F16D2500/3111F16D2500/50245F16D2500/7041F16H2342/042
    • First, the sleeve stroke SSt of a specific sleeve is gradually increased from "0" (after t1) in a state in which a vehicle is stopped, a transmission is in a neutral state (all sleeve strokes SSt = 0 (original position)), a clutch is in a disengaged state (clutch stroke CSt = 0 (original position)), and an engine is operating (engine rotational speed NE > 0). After that, upon determination that "the sleeve stroke SSt has reached a "predetermined value A, at which synchronization operation of a corresponding synchronization mechanism is performed," the sleeve stroke SSt is fixed to the predetermined value A, and an operation of increasing the clutch stroke CSt from "0" in a press engagement direction is started (time t2). An engagement start point CStlearn of the clutch is obtained on the basis of a change in the rotational speed Ni of an input shaft Ai of the transmission after that (time t3). Even in the case where there occurs a phenomenon in which the input shaft of the transmission slightly rotates due to rotation of the engine despite the clutch being in the disengaged state, the engagement start point of the clutch can be obtained reliably.
    • 首先,在车辆停止,变速器处于空档状态(所有套筒冲程SSt = 0(原始位置))的状态下,特定套筒的套筒行程SSt从“0”(在t1之后)逐渐增大 ,离合器处于分离状态(离合器行程CSt = 0(原始位置)),并且发动机正在运转(发动机转速NE> 0)。 之后,当确定“套筒行程SSt已经达到”执行相应的同步机构的同步操作的预定值A“时,套筒行程SSt被固定为预定值A,并且增加 离合器行程CSt从推压接合方向的“0”开始(时刻t2),根据变速装置的输入轴Ai的转速Ni的变化,求出离合器的接合开始点CStlearn (时刻t3),即使在离合器处于分离状态的情况下,即使发生由于发动机的旋转而使变速器的输入轴稍微旋转的现象,也能可靠地获得离合器的接合开始点 。