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    • 35. 发明公开
    • Clutch control method
    • Kupplungssteuerungsverfahren
    • EP1270979A2
    • 2003-01-02
    • EP02014273.3
    • 2002-06-26
    • ISUZU MOTORS LIMITED
    • Inoue, Eiji, c/o Isuzu Motors Ltd., Fujisawa Fact.Shinojima, Takumi, c/o Isuzu Motors Ltd.
    • F16D48/06
    • F16D48/066B60W2510/0241B60W2510/0638B60W2510/1005B60W2510/1015F16D2500/10412F16D2500/1045F16D2500/1068F16D2500/30406F16D2500/3067F16D2500/30806F16D2500/30816F16D2500/3108F16D2500/31426F16D2500/31466F16D2500/31473F16D2500/31493F16D2500/3166F16D2500/50239F16D2500/50293F16D2500/525F16D2500/70406F16D2500/7109
    • The present invention provides a clutch connection method which controls the disconnection/connection of a wet friction clutch on the basis of a duty pulse outputted from an electronic control unit. When the clutch is connected, the electronic control unit initially outputs a start duty (Dst) for largely connecting the clutch as far as the vicinity of a torque point, and, thereafter, outputs, at prescribed time intervals (Δt), a gradual connection duty (Dk) for gradually connecting the clutch, and determines a gradual connection duty value on the basis of a clutch input/output side revolution difference ΔN. Since the clutch is gradually connected while monitoring the clutch connection state, variations between connection times and connection shock, resulting from individual clutch differences or the like, can be eliminated, whereby it is possible to achieve a stable feel. Further, in control which connects the clutch in sync with completion of a transmission gear shift, a plurality of clutch connection modes (an engine plus mode, an in-shaft plus mode, and a synchro mode) are preset, and the clutch connection modes are selected in accordance with the size of clutch input-side and output-side revolution numbers upon completion of a gear shift. Clutch connection is performed which conforms to actual conditions since a clutch connection mode is selected in accordance with the size of clutch input/output side revolution numbers rather than with respect to a shift-up or a shift-down.
    • 本发明提供一种离合器连接方法,其根据从电子控制单元输出的占空比脉冲来控制湿摩擦离合器的断开/连接。 当离合器连接时,电子控制单元最初输出用于大大地将离合器连接到转矩点附近的起动义务(Dst),然后以规定的时间间隔(DELTA t)输出逐渐的 用于逐渐连接离合器的连接负载(Dk),并且基于离合器输入/输出侧转差DELTA N确定逐渐连接的占空比值。由于离合器在监视离合器连接状态时逐渐连接,所以连接时间 并且可以消除由各个离合器差异等导致的连接冲击,从而可以获得稳定的手感。 此外,在将离合器与传动换挡完成连接的控制中,预先设定多个离合器连接模式(发动机加模式,轴内加模式和同步模式),离合器连接模式 根据变速器结束时的离合器输入侧和输出侧转数的大小来选择。 执行符合实际条件的离合器连接,因为离合器连接模式根据离合器输入/输出侧转数而不是相对于换档或换档而选择。