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    • 10. 发明专利
    • Shift control system for automatic transmission
    • 用于自动变速器的换档控制系统
    • JP2009174711A
    • 2009-08-06
    • JP2008328820
    • 2008-12-24
    • Aisin Aw Co Ltdアイシン・エィ・ダブリュ株式会社
    • MORIMOTO TAKAHIROSATO HARUKIICHIKAWA MASATAKESAKAI AKIHIROTSUTSUI HIROSHIIWAI NOBUHIRO
    • F16H61/06F16H59/42F16H59/68F16H61/686
    • F16H61/061F16H2061/0444
    • PROBLEM TO BE SOLVED: To provide a shift control system for automatic transmission wherein in the case where friction engagement elements by twos are disconnected/connected respectively and downshifted via an intermittent stage to a shift stage two or more stages apart, a torque capacity of a second shift release element is monitored in a torque capacity calculation required for a first shift engagement element, and by ensuring the first shift engagement element a sufficient reaction, FB control exerted by the second release element is ensured. SOLUTION: A shift control means controls so that the torque capacity of a clutch C-1 of the first shift engagement element is controlled to be sufficiently higher than a variant of the torque capacity of a clutch C-3 of the second shift release element, and thereby the torque capacity of the clutch C-1 is increased in response to the increase of the torque capacity of the clutch C-3. Thus, occurrence of such a malfunction can be suppressed that control of the rotation variation becomes difficult to cause shift shocks. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于自动变速器的变速控制系统,其中在通过二次的摩擦接合元件分别断开/连接并且经由间歇级下降到两级或更多级的变速级的情况下,转矩 在第一变速接合元件所需的转矩容量计算中监视第二变速释放元件的容量,并且通过确保第一变速接合元件足够的反作用力,确保由第二释放元件施加的FB控制。 解决方案:变速控制装置进行控制,使得第一换档接合元件的离合器C-1的扭矩能力被控制为足够高于第二档位离合器C-3的转矩容量的变型 因此离合器C-1的转矩容量响应于离合器C-3的转矩容量的增加而增加。 因此,可以抑制这种故障的发生,使得旋转变化的控制变得难以引起移位冲击。 版权所有(C)2009,JPO&INPIT