System And Method For Controlling A Continuously Variable Transmission During A Shuttle Shift
    2.
    发明申请
    System And Method For Controlling A Continuously Variable Transmission During A Shuttle Shift 有权
    在班次换档期间控制连续可变传动的系统和方法

    公开(公告)号:US20140222304A1

    公开(公告)日:2014-08-07

    申请号:US14240789

    申请日:2012-07-12

    IPC分类号: F16H61/66

    摘要: A method for controlling a continuously variable transmission of a work machine during a shuttle shift is disclosed. The method may generally include initiating a directional swap by disengaging an off-going directional clutch of the continuously variable transmission and slipping an on-coming directional clutch of the continuously variable transmission to decelerate the work machine in an off-going direction. In addition, the method may include estimating a total amount of energy to be dissipated in the on-coming directional clutch during the shuttle shift, comparing the total amount of energy to a predetermined energy threshold and, if the total amount of energy is equal to or exceeds the predetermined energy threshold, performing the reversion action to complete the shuttle shift, wherein the reversion action corresponds to an action taken to engage one of the off-going directional clutch or the on-coming directional clutch so as to permit the shuttle shift to be completed using ratio changing.

    摘要翻译: 公开了一种用于在班次换档期间控制作业机械的无级变速器的方法。 该方法通常可以包括通过分离无级变速器的离合方向离合器并滑动无级变速器的先前的定向离合器来使工作机器沿远离方向减速来启动定向互换。 此外,该方法可以包括估计在班次移动期间在随后的定向离合器中消耗的能量的总量,将总能量量与预定能量阈值进行比较,如果总能量等于 或超过预定的能量阈值,执行回复动作以完成班次换档,其中回复动作对应于接合离合定向离合器或即将进入的定向离合器之一的动作,以允许往复移动 使用比例变化完成。

    Proportional parking brake control in cooperation with operation of a continuously variable transmission
    5.
    发明授权
    Proportional parking brake control in cooperation with operation of a continuously variable transmission 有权
    配合无级变速器运行的比例停车制动控制

    公开(公告)号:US08858392B2

    公开(公告)日:2014-10-14

    申请号:US14240605

    申请日:2012-08-27

    IPC分类号: F16H61/40 B60T1/00

    摘要: A parking brake is controlled in concert with operation of a hydrostatic power unit of a continuously variable transmission, particularly when engaging, disengaging and shuttle shifting the transmission, to provide advantages, particularly when on hills. When particular commands are received, such as shifting to a non-moving position, the parking brake is automatically engaged to hold the vehicle position. A swash plate of the hydrostatic unit can be automatically positioned to anticipate the next command. If that command is received, the brake is automatically gradually or proportionally released and the transmission engaged to effect the commanded movement of the vehicle. If a different command is received, the brake remains engaged as the transmission is configured for the commanded movement, such that no machine movement results. Then the brake is automatically gradually or proportionally released and the transmission engaged to effect that commanded movement.

    摘要翻译: 一个驻车制动器与无级变速器的静液压动力单元的操作一起被控制,特别是当接合,脱离和往复移动变速器时,特别是在小山上时,提供了优点。 当接收到特定命令时,例如转移到不移动位置时,驻车制动器自动地接合以保持车辆位置。 静压单元的旋转斜盘可以自动定位,以预测下一个命令。 如果接收到该命令,则自动逐渐或成比例地释放制动器,并且变速器接合以实现车辆的指令运动。 如果接收到不同的命令,则制动器保持接合,因为变速器被配置为用于指令的运动,使得不会导致机器运动。 然后,制动器自动逐渐或成比例地释放,并且变速器接合以实现该指令的运动。

    Method Of Calibration Of A Park Brake Of A Continuously Variable Transmission
    6.
    发明申请
    Method Of Calibration Of A Park Brake Of A Continuously Variable Transmission 有权
    无级变速器驻车制动器校准方法

    公开(公告)号:US20140200114A1

    公开(公告)日:2014-07-17

    申请号:US14240637

    申请日:2012-08-27

    IPC分类号: B60W10/196 B60W10/101

    摘要: A method of calibrating a hydraulically operated park brake of a continuously variable transmission of a vehicle. With the vehicle moving at a set, slow speed within a specified range, and the park brake off, a search technique is used, wherein the brake hydraulic pressure is reduced by application of a control signal of a selected test value to apply the brake. When the selected test value is reached, it is held constant, and a condition in a HSU of the transmission is monitored for a change indicative of engagement of the park brake. This will expectedly be in the form of a pressure change and more particularly an increase indicating initial contact between the plates of the brake, and if the HSU change is not detected, the step will time out and another control signal value will be tested.

    摘要翻译: 一种校准车辆的无级变速器的液压操纵停车制动器的方法。 当车辆以一定的速度移动到指定范围内的低速,并且驻车制动器关闭时,使用搜索技术,其中通过施加选择的测试值的控制信号来减小制动液压,以施加制动。 当达到所选择的测试值时,它被保持不变,并且监视变速器的HSU中的状况以指示停车制动器的接合的变化。 这将预期是压力变化的形式,更具体地说,指示制动器的板之间的初始接触的增加,并且如果没有检测到HSU变化,则该步骤将超时,并且将测试另一个控制信号值。

    Method of calibration of a park brake of a continuously variable transmission
    8.
    发明授权
    Method of calibration of a park brake of a continuously variable transmission 有权
    无级变速器驻车制动器校准方法

    公开(公告)号:US09242632B2

    公开(公告)日:2016-01-26

    申请号:US14240637

    申请日:2012-08-27

    摘要: A method of calibrating a hydraulically operated park brake of a continuously variable transmission of a vehicle. With the vehicle moving at a set, slow speed within a specified range, and the park brake off, a search technique is used, wherein the brake hydraulic pressure is reduced by application of a control signal of a selected test value to apply the brake. When the selected test value is reached, it is held constant, and a condition in a HSU of the transmission is monitored for a change indicative of engagement of the park brake. This will expectedly be in the form of a pressure change and more particularly an increase indicating initial contact between the plates of the brake, and if the HSU change is not detected, the step will time out and another control signal value will be tested.

    摘要翻译: 一种校准车辆的无级变速器的液压操纵停车制动器的方法。 当车辆以一定的速度移动到指定范围内的低速,并且驻车制动器关闭时,使用搜索技术,其中通过施加选择的测试值的控制信号来减小制动液压,以施加制动。 当达到所选择的测试值时,它被保持不变,并且监视变速器的HSU中的状况以指示停车制动器的接合的变化。 这将预期是压力变化的形式,更具体地说,指示制动器的板之间的初始接触的增加,并且如果没有检测到HSU变化,则该步骤将超时,并且将测试另一个控制信号值。

    METHOD FOR ESTIMATING AND CONTROLLING DRIVELINE TORQUE IN A CONTINUOUSLY VARIABLE HYDRO-MECHANICAL TRANSMISSION
    9.
    发明申请
    METHOD FOR ESTIMATING AND CONTROLLING DRIVELINE TORQUE IN A CONTINUOUSLY VARIABLE HYDRO-MECHANICAL TRANSMISSION 有权
    在连续可变水力机械传动中估计和控制驱动力扭矩的方法

    公开(公告)号:US20110166752A1

    公开(公告)日:2011-07-07

    申请号:US12652490

    申请日:2010-01-05

    IPC分类号: G06F19/00

    摘要: The method of estimating and controlling driveline torque in a continuously variable hydro-mechanical transmission uses pressure data and other metrics of a hydrostatic power unit of the transmission in lieu of actual driveline torque data. A mechanical efficiency of the transmission is determined as a function of whether the power unit is operating in a power generation or regeneration mode, and the torque output of the power unit is estimated from that and other hydrostatic parameters. This is used to estimate a torque output of a planetary power unit of the transmission, and the torque on an output member of the driveline is then estimated using that value, and appropriate corrective action taken.

    摘要翻译: 在连续可变的水力机械变速器中估计和控制传动系扭矩的方法使用变速器的静液力动力单元的压力数据和其它度量代替实际的传动系扭矩数据。 根据动力单元是在发电还是再生模式中进行动作确定变速器的机械效率,并根据该等动力参数来估计动力单元的转矩输出。 这用于估计变速器的行星动力单元的扭矩输出,然后使用该值来估计传动系统的输出构件上的扭矩,并采取适当的纠正措施。