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    • 51. 发明申请
    • Rotation Speed Detecting Apparatus and Automatic Transmission Controller Having the Apparatus
    • 具有该装置的旋转速度检测装置和自动变速器控制装置
    • US20080012551A1
    • 2008-01-17
    • US11791123
    • 2006-05-26
    • Hiroatsu EndoKentaro Kakuse
    • Hiroatsu EndoKentaro Kakuse
    • G01P3/481F02P7/067F16H59/36G01P3/42
    • F16H59/36G01P3/44G01P3/48G01P3/56
    • An input shaft rotating speed detector detects an input shaft rotating speed Nin of an automatic transmission based on output signals from a resolver within a predetermined time period δt1. An output shaft rotating speed detector calculates the number of pulse signals output from an electromagnetic pickup sensor within the predetermined time period δt1, to detect an output shaft rotating speed Nout of the automatic transmission based on the time length of pulse intervals in the calculated number of pulse signals. With this configuration, the number of pulse signals used for calculating the output shaft rotating speed Nout can be changed, to thereby make a detection period of the output signals from the resolver used for calculating the input shaft rotating speed Nin be consistent with that of the pulse signals used for calculating the output shaft rotating speed Nout.
    • 输入轴转速检测器基于来自旋转变压器的输出信号在预定时间段deltat1内检测自动变速器的输入轴转速Nin。 输出轴转速检测器计算在预定时间段deltat1内从电磁感应传感器输出的脉冲信号的数量,以计算出的数量的脉冲间隔的时间长度来检测自动变速器的输出轴转速Nout 脉冲信号。 通过这种结构,可以改变用于计算输出轴转速Nout的脉冲信号的数量,从而使用于计算输入轴转速Nin的旋转变压器的输出信号的检测周期与 脉冲信号用于计算输出轴转速Nout。
    • 52. 发明申请
    • Control device and control method of automatic transmission
    • 自动变速器的控制装置及控制方法
    • US20070179018A1
    • 2007-08-02
    • US11653412
    • 2007-01-16
    • Hiroatsu EndoKazuo Kawaguchi
    • Hiroatsu EndoKazuo Kawaguchi
    • F16H61/16
    • F16H61/12F16H61/0206F16H2061/1208F16H2061/1268Y10T477/6934
    • There is a control device and a control method of an automatic transmission including; a plurality of friction engagement devices; a plurality of solenoids whose electrification amount supplied is controlled to adjust engagement force of the friction engagement devices, and which are switched between electrification and non-electrification so as to switch between speed change steps of the automatic transmission; and an abnormality determiner that performs abnormality determination regarding the solenoids based on predetermined condition. The solenoids operate when supplied with an electrification amount that exceeds a predetermined value. The abnormality determination is performed by supplying a solenoid put in a non-electrified state, of the solenoids, with as electrification amount that is less than or equal to the predetermined value.
    • 有一种自动变速器的控制装置和控制方法,包括: 多个摩擦接合装置; 控制供电的多个螺线管,以调节摩擦接合装置的接合力,并且在通电和非通电之间切换以在自动变速器的变速步骤之间切换; 以及基于预定条件执行关于螺线管的异常判定的异常判定器。 当提供超过预定值的通电量时,螺线管工作。 通过以螺线管的非通电状态供给的螺线管作为小于或等于预定值的带电量来进行异常判定。