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    • 23. 发明公开
    • 자동 변속기의 제어 장치
    • 自动变速器控制装置
    • KR1020070068258A
    • 2007-06-29
    • KR1020060126083
    • 2006-12-12
    • 쟈트코 가부시키가이샤
    • 이누따유끼요시
    • F16H61/04
    • F16H61/0437F16H61/061F16H61/686F16H2061/0444F16H2061/0451F16H2061/0455F16H2200/0052F16H2306/24Y10T477/638
    • A control device for an automatic transmission is provided to suppress an increase of amount of shift data by performing a shift control process using memorized control data of a first and second shift control units. A first frictional element is engaged at a first shift range and is released at a second shift range obtained achieved by the first shift range. The first frictional element is engaged at a third shift range obtained by the second shift range. A second frictional element is released at the first shift range and is engaged at the second shift range. The second frictional element is engaged at the third shift range. A third frictional element is engaged at the first shift range, is engaged at the second shift range, and is released at the third shift range. A first shift control unit executes a hydraulic command for the first frictional element to be released, and executes a hydraulic command for the second frictional element to be engaged in a first shift process. A second shift control unit executes a hydraulic command for the first frictional element to be engaged, and executes a hydraulic command for the third frictional element to be released in the second shift process. A decision unit decides a shifting state from the first shift range to the third shift range on the basis of an operational condition of a vehicle. A third shift control unit performs the first shift process when the shifting state is decided by the decision unit, and performs a second shift process when a gear ratio reaches a first gear ratio, or when a parameter reaches a parameter corresponding to the first gear ratio. The third shift control unit compares two commands with each other, selects one of the commands according to the compared result, and outputs the selected command to the first frictional element.
    • 提供了一种用于自动变速器的控制装置,通过使用第一和第二变速控制单元的存储控制数据进行变速控制处理来抑制换档数据的增加。 第一摩擦元件以第一变速范围接合,并且在通过第一变速范围获得的第二变速范围内被释放。 第一摩擦元件以通过第二偏移范围获得的第三偏移范围接合。 第二摩擦元件在第一变速范围被释放并且在第二变速范围处接合。 第二摩擦元件在第三变速范围内接合。 第三摩擦元件在第一变速范围内接合,以第二变速范围接合,并在第三变速范围被释放。 第一变速控制单元执行要释放的第一摩擦元件的液压指令,并且在第一变速过程中执行用于要接合的第二摩擦元件的液压指令。 第二变速控制单元对要接合的第一摩擦元件执行液压指令,并且在第二变速过程中执行要释放的第三摩擦元件的液压指令。 决定单元基于车辆的运行状况,将变速状态从第一变速范围决定到第三变速范围。 第三变速控制单元在由判定单元判定变速状态时进行第一变速处理,当齿轮比达到第一变速比时进行第二变速处理,或者当参数达到与第一变速比对应的参数时 。 第三变速控制单元将两个指令进行比较,根据比较结果选择其中一个指令,并将所选择的指令输出到第一摩擦元件。