AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREOF
    1.
    发明申请
    AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREOF 有权
    自动传输及其控制方法

    公开(公告)号:US20090306867A1

    公开(公告)日:2009-12-10

    申请号:US12478332

    申请日:2009-06-04

    IPC分类号: G06F7/00 F16H61/12

    摘要: An automatic transmission control unit determines whether or not a constantly open failure, in which a switch valve cannot switch a pressure regulating valve and a second hydraulic chamber to a non-communicative state, has occurred on the basis of a parameter (an inertia phase time, for example) representing a dynamic characteristic during a shift from a first gear position to a second gear position. The determination of the constantly open failure is begun after initial variation in the parameter representing the dynamic characteristic during the shift has been eliminated through learning control in which the dynamic characteristic during the shift is caused to approach a target dynamic characteristic.

    摘要翻译: 自动变速器控制单元基于参数(惯性阶段时间)来确定开关阀不能将压力调节阀和第二液压室切换到非交流状态的恒定打开故障 ,例如)表示在从第一档位到第二档位的变速期间的动态特性。 在通过学习控制消除了在移位期间表示动态特性的参数的初始变化之后开始确定持续打开的故障,其中使得移位期间的动态特性接近目标动态特性。

    Torque converter slip control for multi-displacement engine
    2.
    发明授权
    Torque converter slip control for multi-displacement engine 有权
    多排量发动机扭矩转换器滑差控制

    公开(公告)号:US07288046B2

    公开(公告)日:2007-10-30

    申请号:US11085640

    申请日:2005-03-21

    IPC分类号: F16H61/48

    摘要: Prior to transitioning a multiple-displacement engine from a full-displacement engine operating mode to a partial-displacement engine operating mode, a base slip rate of a torque converter coupled to the engine engine is increased by a predetermined slip rate offset. The engine is then transitioned to partial-displacement mode upon the earlier of either achieving the desired offset slip rate, or once a maximum time delay has occurred since the slip rate offset was enabled. An offset slip rate is maintained throughout partial-displacement engine operation, and through a transition back to a full-displacement mode. The slip rate offset is removed or disenabled once the engine is again operating in the full-displacement mode. The slip rate offset is either a calibratable constant or is determined as a function of one or more suitable engine or vehicle operating parameters affecting vehicle NVH levels, such as engine speed and vehicle speed.

    摘要翻译: 在将多排量发动机从全排量发动机运转模式转换为部分排量发动机运转模式之前,耦合到发动机发动机的变矩器的基本滑移率增加预定的滑移率偏移。 然后,在实现期望的偏移滑移率之后,或者由于滑差率偏移被使能以来,一旦发生最大时间延迟,则发动机转换到部分位移模式。 部分排量发动机运行期间保持偏移滑移率,并通过转换回全位移模式。 一旦发动机再次以全位移模式运转,滑移率偏移量被移除或停用。 滑差率偏移是可校准的常数,或者被确定为影响车辆NVH水平的一个或多个合适的发动机或车辆操作参数的函数,例如发动机速度和车辆速度。

    Automatic transmission and control method thereof
    6.
    发明授权
    Automatic transmission and control method thereof 有权
    自动变速控制方法

    公开(公告)号:US08095284B2

    公开(公告)日:2012-01-10

    申请号:US12478332

    申请日:2009-06-04

    IPC分类号: G06F7/00 G06F17/00

    摘要: An automatic transmission control unit determines whether or not a constantly open failure, in which a switch valve cannot switch a pressure regulating valve and a second hydraulic chamber to a non-communicative state, has occurred on the basis of a parameter (an inertia phase time, for example) representing a dynamic characteristic during a shift from a first gear position to a second gear position. The determination of the constantly open failure is begun after initial variation in the parameter representing the dynamic characteristic during the shift has been eliminated through learning control in which the dynamic characteristic during the shift is caused to approach a target dynamic characteristic.

    摘要翻译: 自动变速器控制单元基于参数(惯性阶段时间)来确定开关阀不能将压力调节阀和第二液压室切换到非交流状态的恒定打开故障 ,例如)表示在从第一档位到第二档位的变速期间的动态特性。 在通过学习控制消除了在移位期间表示动态特性的参数的初始变化之后开始确定持续打开的故障,其中使得移位期间的动态特性接近目标动态特性。