Power transfer system regulated using a dithered control signal
    2.
    发明授权
    Power transfer system regulated using a dithered control signal 失效
    使用抖动控制信号调节功率传输系统

    公开(公告)号:US07194350B2

    公开(公告)日:2007-03-20

    申请号:US11020000

    申请日:2004-12-21

    IPC分类号: G06F7/00

    摘要: A torque transfer system for transferring torque between a first rotary member and a second rotary member includes a clutch pack that is operably disposed between the first rotary member and the second rotary member to regulate torque transfer therebetween and a clutch actuator for regulating engagement of the clutch pack. A controller generates a dithered control signal by superimposing a dithering signal onto a digital control signal. The controller determines a time averaged duty cycle DCavg of the dithered control signal, determines an amplitude AMP of the dithered control signal, determines a wave function WF that describes a wave shape of the dithered control signal and calculates a pulse duty cycle PDC for each pulse of the dithered control signal using the average duty cycle, amplitude, and wave function.

    摘要翻译: 用于在第一旋转构件和第二旋转构件之间传递扭矩的扭矩传递系统包括:离合器组件,其可操作地设置在第一旋转构件和第二旋转构件之间以调节其间的扭矩传递;以及离合器致动器,用于限制离合器 包。 控制器通过将抖动信号叠加到数字控制信号上来产生抖动控制信号。 控制器确定抖动控制信号的时间平均占空比DCΔavg ,确定抖动控制信号的振幅AMP,确定描述抖动控制信号的波形的波函数WF,并计算 使用平均占空比,幅度和波函数的抖动控制信号的每个脉冲的脉冲占空比PDC。

    Control system for transfer case range shift

    公开(公告)号:US06694834B2

    公开(公告)日:2004-02-24

    申请号:US10104437

    申请日:2002-03-22

    IPC分类号: F16H6304

    摘要: In accordance with the present invention, a preferred method is disclosed for operating a transfer case synchronized range shift mechanism. The range shift mechanism can be selectively actuated for establishing a four-wheel high-range drive mode, a neutral mode, and a four-wheel low-range drive mode. The synchronized range shift mechanism is comprised of a first input gear system, a second input gear system, and an output gear system. The output gear system is comprised of a rotary output member that may be selectively engaged with either the first input gear system or the second input gear system, depending on which four-wheel-drive operating mode the vehicle operator selects. The range shift mechanism is further comprised of a synchronizing mechanism. The present invention discloses a novel method for controlling the speed of the range shift as a means for reducing the time it takes to perform the range shift.

    Control system for transfer case range shift
    5.
    发明授权
    Control system for transfer case range shift 有权
    传动箱范围换档控制系统

    公开(公告)号:US06875146B2

    公开(公告)日:2005-04-05

    申请号:US10732502

    申请日:2003-12-10

    摘要: A method for operating a transfer case synchronized range shift mechanism. The range shift mechanism can be selectively actuated for establishing a four-wheel high-range drive mode, a neutral mode, and a four-wheel low-range drive mode. The synchronized range shift mechanism is comprised of a first input gear system, a second input gear system, and an output gear system. The output gear system is comprised of a rotary output member that may be selectively engaged with either the first input gear system or the second input gear system, depending on which four-wheel-drive operating mode the vehicle operator selects. The range shift mechanism is further comprised of a synchronizing mechanism. The method for controlling the speed of the range shift as a means for reducing the time it takes to perform the range shift.

    摘要翻译: 一种用于操作传送箱同步范围移位机构的方法。 可以选择性地启动范围换档机构,以建立四轮高范围驱动模式,空档模式和四轮低档驱动模式。 同步范围换档机构包括第一输入齿轮系统,第二输入齿轮系统和输出齿轮系统。 输出齿轮系统包括旋转输出构件,其可以根据车辆操作者选择的四轮驱动操作模式而选择性地与第一输入齿轮系统或第二输入齿轮系统接合。 距离换档机构还包括同步机构。 用于控制范围偏移的速度的方法是用于减少执行范围移位所需的时间的手段。

    Method for operating an adaptive clutch in a power transfer assembly
    6.
    发明授权
    Method for operating an adaptive clutch in a power transfer assembly 失效
    在动力传递组件中操作自适应离合器的方法

    公开(公告)号:US06873894B2

    公开(公告)日:2005-03-29

    申请号:US10196899

    申请日:2002-07-16

    摘要: The present invention discloses a preferred method for operating a adaptive clutch system of the type used in a motor vehicle power transfer assembly by employing a dithered control signal. One aspect of the present invention superimposes a dithering signal onto a control signal by nulling consecutive blocks of control signal pulses. Another aspect of the present invention provides a method for generating a dithered control signal by providing a wave function with which to systematically vary a duty cycle of the dithered control signal. A method for varying the output force of a clutch actuator assembly in response to the dithered control signal is also provided.

    摘要翻译: 本发明公开了一种通过使用抖动控制信号来操作用于机动车辆动力传递组件中的类型的自适应离合器系统的优选方法。 本发明的一个方面通过对控制信号脉冲的连续块进行零位,将抖动信号叠加到控制信号上。 本发明的另一方面提供了一种用于通过提供用于系统地改变抖动控制信号的占空比的波函数来产生抖动控制信号的方法。 还提供了一种用于响应于抖动控制信号改变离合器致动器组件的输出力的方法。

    Power Transfer Assembly With Torque Sensors And Torque Control System
    8.
    发明申请
    Power Transfer Assembly With Torque Sensors And Torque Control System 有权
    带扭矩传感器和扭矩控制系统的传动装置

    公开(公告)号:US20090082934A1

    公开(公告)日:2009-03-26

    申请号:US12328073

    申请日:2008-12-04

    IPC分类号: F16D23/00 G06F17/00

    CPC分类号: B60K23/0808 B60W2510/105

    摘要: A transfer case for a motor vehicle having an input shaft, a first output shaft, a second output shaft, a clutch, a transfer mechanism, a sensor portion and a magnetoelastic torque sensor. The clutch has a clutch pack and a thrust mechanism that is configured to exert an engagement force on the clutch pack. The clutch pack has a first portion, which is rotatably driven by either or both of the input shaft and the first output shaft, and a second portion that is supported for rotation relative to the first portion. The transfer mechanism couples the second portion of the clutch pack to the second output shaft. The sensor portion is coupled to the first or second output shaft and is at least partially formed of a magnetoelastic material. The magnetoelastic torque sensor is disposed about and radially in-line with the sensor portion.

    摘要翻译: 一种用于具有输入轴,第一输出轴,第二输出轴,离合器,转移机构,传感器部分和磁弹性扭矩传感器的机动车辆的分动箱。 离合器具有离合器组件和构造成对离合器组件施加接合力的推力机构。 离合器组件具有第一部分,该第一部分由输入轴和第一输出轴中的一个或两者可旋转地驱动,第二部分被支撑成相对于第一部分旋转。 传送机构将离合器组件的第二部分联接到第二输出轴。 传感器部分联接到第一或第二输出轴,并且至少部分地由磁致弹性材料形成。 磁弹性扭矩传感器设置在传感器部分周围并与其径向成一直线。

    Torque transfer clutch with ball screw actuator
    10.
    发明授权
    Torque transfer clutch with ball screw actuator 失效
    带滚珠丝杠执行器的转矩离合器

    公开(公告)号:US06779641B2

    公开(公告)日:2004-08-24

    申请号:US10263245

    申请日:2002-10-02

    IPC分类号: F16H3706

    CPC分类号: B60K17/3505 Y10T74/18664

    摘要: The present invention is directed to a power transfer system for a four-wheel drive vehicle equipped with a torque transfer coupling which includes a clutch pack and a ball-screw actuator. The ball-screw actuator functions to axially translates an apply plate to operatively engage the clutch pack and vary the frictional engagement. This arrangement yields numerous operational advantages over the prior art including, but not limited to, establishing a direct drive between the motor output shaft and the apply plate, concentric mounting of the actuator elements with the motor output shaft, and a simplified mechanical arrangement that reduces the number of frictional elements increasing operational efficiency and decreasing motor requirements.

    摘要翻译: 本发明涉及一种配备有转矩传递联轴器的四轮驱动车辆的动力传递系统,该扭矩传递联轴器包括离合器组件和滚珠丝杠致动器。 滚珠丝杠致动器用于轴向平移施加板以可操作地接合离合器组件并改变摩擦接合。 这种布置产生了与现有技术相比的许多操作优点,包括但不限于在马达输出轴和施加板之间建立直接驱动,致动器元件与马达输出轴的同心安装,以及简化的机械布置,其减小 摩擦元件的数量增加了运行效率并降低了电机的要求。