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    • 8. 发明授权
    • Shift control system and method for automatic transmission
    • 换档控制系统及自动变速箱方法
    • US5109731A
    • 1992-05-05
    • US664138
    • 1991-03-04
    • Kunihiro IwatsukiHiromichi KimuraHideaki Otsubo
    • Kunihiro IwatsukiHiromichi KimuraHideaki Otsubo
    • F16H61/16F16H59/08F16H59/22F16H61/04F16H61/10F16H61/70
    • F16H61/702F16H2059/083F16H59/22F16H61/16F16H61/686Y10T477/688Y10T477/6934
    • A shift control system for an automatic transmission including first and second transmission assemblies, which are arranged in tandem to have their shifts controlled individually, and capable of selecting at least two gear stage trains, each being composed of a plurality of gear stages set by combining the first and second transmission assemblies, which are decided under a predetermined condition. It includes a running condition judgment device for judging the present running conditions including the set gear stages; a gear stage train decider for deciding such one of the gear stage trains as is suited for the running conditions; a gear stage train changer for changing one gear stage train to another; a simultaneous shift judgment device for judging if a change from the currently selected gear stage train to another gear stage train produces a simultaneous shift of both the first transmission assembly and the second transmission assembly; and a gear stage train change inhibitor for inhibiting changes of the decided gear stage trains if the simultaneous shifts are judged.
    • 一种用于自动变速器的变速控制系统,包括第一和第二变速器组件,它们串联布置以使它们的变速单独控制,并且能够选择至少两个齿轮级列车,每个齿轮级列车由多个齿轮级组成,通过组合 在预定条件下决定第一和第二传动组件。 它包括一个运行条件判断装置,用于判断包括设定齿轮级的当前行驶状态; 用于决定适合于运行条件的齿轮级列车的齿轮级列车判定器; 一个齿轮级列车更换器,用于将一个齿轮级列车更换为另一个; 同时换档判断装置,用于判断从当前选择的齿轮级列到另一档位列的变化是否同时产生第一传动组件和第二传动组件的移动; 以及齿轮级列变更抑制器,用于如果判断出同步位移则抑制所决定的齿轮级列的变化。