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1.发明授权公开(公告)号：US06361474B1
公开(公告)日：2002-03-26
申请号：US09569171
申请日：2000-05-11
IPC分类号： F16H6104
CPC分类号： F16H61/061 , F16H61/0403 , F16H61/12 , Y10T477/6937 , Y10T477/69383 , Y10T477/69387
摘要： An improved control for an automatic transmission closed-throttle downshift, wherein closed-throttle engine torque is used to raise the transmission input speed to the synchronous speed of the target speed ratio, and wherein the on-coming clutch is controlled in a manner to complete the shift with minimum driveline torque disturbance in spite of clutch control variability. The invention includes a primary on-coming clutch control for completing the downshift when the input speed reaches the synchronous speed, and a contingent on-coming clutch control that is initiated if shift completion is not achieved by the primary control, the contingent control being effective to re-establish input speed synchronization and thereupon engage the on-coming clutch to complete the shift. The primary clutch control involves holding the on-coming clutch in readiness for engagement while the input speed approaches the synchronous speed, and when the synchronous speed is reached, raising the on-coming pressure by a predetermined amount designed to maintain the input speed at the synchronous speed. The contingent clutch control includes a first open loop stage that progressively increases the on-coming clutch pressure to gradually re-establishing the input speed synchronization, and a second closed-loop stage that adjusts on-coming clutch pressure to conform the input speed to a defined trajectory.
摘要翻译： 一种改进的自动变速箱闭式节气门低档换档控制，其中使用闭路节气门发动机扭矩将变速器输入速度提高到目标速比的同步速度，并且其中以一种完成方式控制来回离合器 尽管离合器控制变化，尽可能少的传动系扭矩扰动。 本发明包括当输入速度达到同步速度时完成降档的主要进入离合器控制，以及如果通过初级控制不能实现换档完成时启动的即将到来的离合器控制，则或有控制是有效的 重新建立输入速度同步，从而使即将到来的离合器完成班次。 主离合器控制包括在输入速度接近同步速度的同时保持即将离合器准备接合，并且当达到同步速度时，将进入压力提高预定量以将输入速度保持在 同步速度。 或有离合器控制包括第一开环级，其逐渐增加接通离合器压力以逐渐重新建立输入速度同步;以及第二闭环级，其调节接合离合器压力以使输入速度符合 定义的轨迹。
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公开(公告)号：US06358184B1
公开(公告)日：2002-03-19
申请号：US09567597
申请日：2000-05-10
申请人： Todd M Steinmetz , Gregory A Hubbard , Charles Francis Long , Sean E Gleason , Jeffrey Kurt Runde , Phillip F McCauley , Martin Robert Dadel
发明人： Todd M Steinmetz , Gregory A Hubbard , Charles Francis Long , Sean E Gleason , Jeffrey Kurt Runde , Phillip F McCauley , Martin Robert Dadel
IPC分类号： F16H6106
CPC分类号： F16H61/061 , B60W2710/1016 , Y10T477/6937 , Y10T477/69383 , Y10T477/693958
摘要： An improved control for an automatic transmission garage shift, wherein a dynamic model of the transmission is used to estimate the transmission input torque during the shift and to schedule the on-coming clutch pressure in accordance with the estimated input torque to achieve a desired input shaft trajectory. The transmission input torque is estimated based on two different methodologies —one suited to steady-state engine idle conditions, and the other suited to engine output torque transient conditions. A fuzzy summation of the input torques provided by the two methodologies is utilized in transitions between the two conditions. Shift quality variations due to variations in mechanical and/or hydraulic stiffness are minimized by a pause or hold interval inserted between the end of the fill period and the initiation of on-coming clutch pressure control, which results in a reasonably consistent degree of perceived transmission-to-transmission hydraulic and mechanical compliance.
摘要翻译： 一种用于自动变速器车库换档的改进的控制，其中使用变速器的动态模型来估计变速期间的变速器输入转矩，并根据估计的输入转矩计划接近的离合器压力，以实现期望的输入轴 弹道。 传输输入扭矩基于两种不同的方法 - 一种适用于稳态发动机怠速条件，另一种适用于发动机输出转矩瞬态条件。 在两个条件之间的转换中，利用由两种方法提供的输入转矩的模糊求和。 由于机械和/或液压刚度的变化引起的质量变化的变化通过在填充期间结束和启动离合器压力控制之间的暂停或保持间隔而被最小化，这导致感知传输的程度相当一致 传动液压和机械符合性。
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3.发明授权公开(公告)号：US06285942B1
公开(公告)日：2001-09-04
申请号：US09531848
申请日：2000-03-20
申请人： Todd M Steinmetz , Jeffrey Kurt Runde , Gregory A Hubbard , Phillip F McCauley , Charles Francis Long , Martin Robert Dadel
发明人： Todd M Steinmetz , Jeffrey Kurt Runde , Gregory A Hubbard , Phillip F McCauley , Charles Francis Long , Martin Robert Dadel
IPC分类号： G06F1700
CPC分类号： F16H61/061 , F16H2061/062 , Y10T477/69379 , Y10T477/69387
摘要： An improved shift control for a hydraulic automatic transmission in which the apply chamber of an on-coming clutch is filled in the preparation phase of the shift using a hydraulic flow rate model to estimate the volume of hydraulic fluid supplied to the apply chamber. In an initial portion of the fill interval, fluid is supplied to the apply chamber at a first elevated pressure, while continuously updating the fluid volume estimate. When the remaining un-filled volume of the apply chamber reaches a reference volume, the supply pressure is reduced to a second pressure at which the next phase of the shift is to be carried out. When the chamber volume is filled, the torque capacity of the clutch rises to a level corresponding to the second pressure, and the next phase of the shift automatically ensues.
摘要翻译： 一种用于液压自动变速器的改进的变速控制装置，其中使用液压流量模型将待命离合器的施加室填充在变速器的准备阶段，以估计供给到施加室的液压流体的体积。 在填充间隔的初始部分中，在连续更新流体体积估计的同时，以第一升高的压力将流体供应到施用室。 当施加室的剩余未填充体积达到参考体积时，供应压力降低到要进行下一个相移阶段的第二压力。 当室容积填充时，离合器的扭矩容量上升到与第二压力相对应的水平，并且自动地进行下一阶段的换档。
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公开(公告)号：US06308125B1
公开(公告)日：2001-10-23
申请号：US09569172
申请日：2000-05-11
申请人： Sean E Gleason , Jeffrey Kurt Runde
发明人： Sean E Gleason , Jeffrey Kurt Runde
IPC分类号： B60K6108
CPC分类号： B60W10/06 , B60W10/04 , B60W10/11 , B60W10/115 , B60W30/18 , B60W30/1819 , F16H61/061 , F16H63/502 , F16H2061/0087 , F16H2061/062
摘要： A closed-throttle downshift control adjusts engine torque to raise the input speed of a transmission to the synchronous speed of the target speed ratio, and adaptively adjusts clutch control parameters to coordinate the off-going clutch release and the on-coming clutch apply, and to complete the shift with minimum driveline torque disturbance. A primary on-coming clutch control fills the on-coming clutch and then raises the on-coming pressure when the input speed reaches the synchronous speed of the target speed ratio. If input synchronization cannot be maintained, a contingent control increases the on-coming clutch pressure to gradually re-establish the input speed synchronization and thereupon engage the on-coming clutch to complete the shift. The fill time or the maintenance pressure of the on-coming clutch is adaptively decreased for reduced driveline disturbance in subsequent shifts of the same type if the output shaft jerk during the primary control exceeds a threshold. Additionally, the fill time or the maintenance pressure of the on-coming clutch is adaptively increased based on an integral of the on-coming clutch slip for reduced dependence on the contingent control in subsequent shifts of the same type if an integral of the on-coming clutch slip during the contingent control exceeds a threshold amount.
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公开(公告)号：US06278927B1
公开(公告)日：2001-08-21
申请号：US09577256
申请日：2000-05-22
IPC分类号： B60K1734
CPC分类号： F16H61/12 , B60K17/344 , F16H59/40 , F16H59/42 , F16H59/50 , F16H59/70 , F16H61/686 , F16H63/42 , F16H2061/1208 , F16H2061/122 , F16H2061/1284 , Y10T477/69383
摘要： An improved diagnostic control method for a motor vehicle powertrain including an electronically controlled multi-range transmission and a multi-range transfer case, wherein a default determination of transfer case range enables reliable evaluation of transmission ratio, for powertrain configurations with or without a transfer case range indicator switch. An overall speed ratio is computed according to a ratio of the transmission input speed and the transfer case output speed, and the computed ratio is monitored to identify a period of stable operation at the conclusion of transmission shifting and in steady state operation during which the rate of change of the computed ratio is stable over a predefined interval. If the computed ratio is also deemed to be stable, it is compared with an expected overall ratio based on an assumed speed range (low or high) of the transfer case. In configurations having a transfer case indicator switch, the switch state determines the assumed speed range, whereas in configurations not having an indicator switch, a low range of the transfer case is assumed. A default condition of the transfer case is determined based on the ratio comparison, and transmission diagnosis is carried out based on the default conditions.
摘要翻译： 一种用于包括电子控制的多范围传输和多范围传送箱的机动车辆动力系的改进的诊断控制方法，其中传送情况范围的默认确定使得能够可靠地评估传输比，对于具有或不具有传送箱的动力系配置 量程指示灯开关 根据传动输入速度与传送箱输出速度的比率来计算总速比，并且监视所计算的比率，以便在传输转移结束时和在稳态运行期间确定稳定运行的周期，在此期间速率 所计算的比率的变化在预定义的间隔内是稳定的。 如果计算的比例也被认为是稳定的，则将其与基于转移情况的假定速度范围（低或高）的预期总比进行比较。 在具有传送箱指示器开关的配置中，开关状态确定假设的速度范围，而在没有指示开关的配置中，假定传送箱的低范围。 基于比例比较确定传送案例的默认条件，并根据默认条件进行传输诊断。
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6.发明授权公开(公告)号：US06364811B1
公开(公告)日：2002-04-02
申请号：US09598283
申请日：2000-06-22
申请人： Gregory A Hubbard , Jeffrey Kurt Runde , Larry Theodore Nitz , Timothy Alan Robinson , Todd M Steinmetz
发明人： Gregory A Hubbard , Jeffrey Kurt Runde , Larry Theodore Nitz , Timothy Alan Robinson , Todd M Steinmetz
IPC分类号： F16H6104
CPC分类号： F16H61/061 , B60W10/06 , B60W10/115 , B60W2710/1016 , Y02T10/56 , Y10T477/675 , Y10T477/6937 , Y10T477/6939
摘要： An improved control for an automatic transmission upshift, wherein the engine output torque and on-coming clutch pressure are coordinated during the shift based on an inverse dynamic model of the transmission to achieve a desired output torque trajectory. The desired output torque trajectory is influenced by operator demand, and an initial value of the desired output torque trajectory is used along with the engine output torque to develop an input acceleration trajectory. The inverse dynamic model of the transmission is used (1) to determine an engine torque command that will achieve both the input acceleration trajectory and the desired output torque trajectory, and (2) to determine a feed-forward pressure command for the on-coming clutch that will produce the input acceleration trajectory, given the engine torque command. The desired output torque trajectory and the engine output torque are used to determine the expected input speed, and a feed-back control term based on the deviation of the measured input speed from the expected input speed is used to adjust the on-coming clutch pressure command to account for model errors. Finally, the closed-loop feedback error is used to enable adaptive correction of the feed-forward control so that the feed-forward clutch pressure more nearly produces the commanded input shaft acceleration.
摘要翻译： 用于自动变速器升档的改进的控制，其中基于变速器的逆动力学模型，在换档期间协调发动机输出扭矩和接通离合器压力，以实现期望的输出转矩轨迹。 期望的输出转矩轨迹受操作者需求的影响，并且使用期望的输出转矩轨迹的初始值以及发动机输出转矩来产生输入加速轨迹。 使用变速器的逆动力学模型（1）来确定将实现输入加速度轨迹和期望输出转矩轨迹的发动机扭矩指令，以及（2）确定用于接下来的前馈压力指令 给定发动机扭矩指令的离合器将产生输入加速度轨迹。 使用期望的输出转矩轨迹和发动机输出转矩来确定预期的输入速度，并且使用基于测量的输入速度与预期输入速度的偏差的反馈控制项来调整接通离合器压力 命令来解释模型错误。 最后，使用闭环反馈误差来实现前馈控制的自适应校正，使得前馈离合器压力更接近地产生指令的输入轴加速度。
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7.发明授权公开(公告)号：US06289072B1
公开(公告)日：2001-09-11
申请号：US09517102
申请日：2000-03-07
IPC分类号： G07C300
CPC分类号： G01P3/489
摘要： An improved speed indication method for a sensor that develops one or more electrical pulses per unit movement of a movable part, wherein the indicated speed is based on the number of speed pulses generated per unit time, but is constrained by a limit function based on the time elapsed without the generation of a speed pulse. When the pulse generation rate falls below the update rate of the speed indication, a maximum possible speed based on the duration of the “no pulse interval” is computed, and the indicated speed is reduced based on the computed maximum. When the next pulse occurs, the speed indication is updated based on the lower of a new speed calculation and the computed maximum speed. If speed pulses continue to be received, the computed maximum is no longer used as a limit, and the speed indication is updated in accordance with the pulse based speed calculation. As a result, the indicated speed provides a smoothly varying and more accurate representation of the shaft speed at very low speeds, enabling more accurate low speed control.
摘要翻译： 一种用于传感器的改进的速度指示方法，该传感器在可移动部件的每单位移动中产生一个或多个电脉冲，其中所指示的速度基于每单位时间产生的速度脉冲的数量，但是受限于基于 在没有产生速度脉冲的情况下经过时间。 当脉冲产生速率低于速度指示的更新速率时，计算基于“无脉冲间隔”的持续时间的最大可能速度，并且基于所计算的最大值来指示速度降低。 当发生下一个脉冲时，基于新速度计算和计算出的最大速度的较低值来更新速度指示。 如果继续接收速度脉冲，则计算出的最大值不再用作极限，并且根据基于脉冲的速度计算来更新速度指示。 结果，所指示的速度以非常低的速度提供了轴速度的平滑变化和更准确的表示，从而实现了更精确的低速控制。
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公开(公告)号：US06415213B1
公开(公告)日：2002-07-02
申请号：US09574929
申请日：2000-05-19
IPC分类号： G06F700
CPC分类号： F16H61/0437 , F16H59/20 , F16H61/0213
摘要： An improved control for an automatic transmission power-on downshift, wherein a dynamic model of the transmission is used to schedule the on-coming and off-going clutch pressures based on the transmission input torque and a desired trajectory of the input shaft during the shift. The shift is initiated with the off-going clutch by using the dynamic model achieve consistent initiation of clutch slippage, and to conform the input speed to the desired trajectory. When the input speed nears a synchronization speed for the target speed ratio, the dynamic model is used to engage the on-coming clutch at a rate based on the input torque while maintaining the input speed in synchronism with the target speed ratio. As a result, the control responds appropriately to dynamic changes in input torque, the input speed more accurately tracks the desired trajectory, and the shifts are completed at or near synchronism. Additionally, scheduling the clutch pressures based on the dynamic model achieves more consistent shift feel and improved adaptability to different powertrain and vehicle-type configurations while reducing the number of calibrated parameters requiring adaptive correction.
摘要翻译： 用于自动变速器开机降档的改进的控制，其中使用变速器的动态模型来基于变速器输入转矩和变速器期间的输入轴的期望轨迹来安排接近和离开的离合器压力 。 通过使用动态模型实现离合器打滑的一致启动并使输入速度符合期望的轨迹，该离合器由离合离合器开始。 当输入速度接近于目标速度比的同步速度时，动态模型用于以与目标速度比同步地保持输入速度的方式基于输入转矩的速率接合来回离合器。 结果，该控制适当地响应于输入转矩的动态变化，输入速度更准确地跟踪期望的轨迹，并且在同步或接近同步完成位移。 另外，基于动态模型安排离合器压力可实现更一致的换档感觉，并提高对不同动力系和车型配置的适应性，同时减少需要自适应校正的校准参数数量。
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9.发明授权Model-based on-coming clutch pressure control for an automatic transmission upshift 有权用于自动变速器升档的基于型号的即将离合器压力控制公开(公告)号：US06332860B1
公开(公告)日：2001-12-25
申请号：US09528609
申请日：2000-03-20
IPC分类号： B60K4106
CPC分类号： F16H61/061 , B60W2710/1016 , Y10T477/6937 , Y10T477/69387
摘要： An improved control for an automatic transmission upshift, wherein the on-coming clutch pressure (Ponc) is scheduled during the torque and inertia phases of the shift in accordance with the summation of feed-forward and feed-back control terms, the feed-forward control term being developed using an inverse dynamic model of the transmission. The feed-forward control term is determined by developing a desired acceleration trajectory of the input shaft, and periodically applying the acceleration trajectory to the inverse dynamic model to obtain an estimate of the required on-coming clutch pressure, given the transmission input torque. The feed-back control term is based on a comparison of the expected input speed response with the actual input speed response, and corrects for modeling errors in the feed-forward control, providing disturbance rejection and improved command following. Additionally, the closed-loop feedback error is used to enable adaptive correction of the feed-forward control so that the estimated on-coming clutch pressure more nearly produces the commanded input shaft acceleration. Controlling the input shaft acceleration in this manner achieves more consistent shift feel and energy dissipation in the on-coming clutch, with less intensive calibration effort and improved adaptability to different powertrain and vehicle-type configurations.
摘要翻译： 一种用于自动变速器升档的改进的控制，其中根据前馈和反馈控制项的总和，前进离合器压力（Ponc）在变速的转矩和惯性阶段期间被调度，前馈 控制项正在使用传输的逆动力学模型来开发。 前馈控制项是通过产生输入轴的所需加速度轨迹来确定的，并且在给定传动输入转矩的情况下，周期性地将加速度轨迹应用于逆动力学模型以获得所需要的离合器压力的估计。 反馈控制项基于预期输入速度响应与实际输入速度响应的比较，并且校正前馈控制中的建模误差，提供干扰抑制和改进的命令跟随。 另外，闭环反馈误差被用于使得前馈控制的自适应校正，使得估计的接通离合器压力更接近地产生指令的输入轴加速度。 以这种方式控制输入轴的加速度，可以实现更新一致的离合器的换档感觉和能量消耗，同时具有较少的精确校准工作量，并提高了对不同动力系和车辆配置的适应性。
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10.发明授权Force motor current control for an electronically controlled automatic transmission 有权强制电动机电流控制用于电子控制的自动变速器公开(公告)号：US06262556B1
公开(公告)日：2001-07-17
申请号：US09571118
申请日：2000-05-12
IPC分类号： H02P528
CPC分类号： F16H61/0251 , F16H2061/0258
摘要： An improved force motor current control including feed-forward and feed-back control terms summed to determine a force motor activation for achieving a current command. The feed-forward control term estimates the force motor activation required to achieve the current command, based on the force motor temperature, the system voltage and a model of the force motor circuit. The feed-back control term compares an expected response to the actual response and develops a control term that corrects for modeling errors, providing disturbance rejection and improved command following. The closed-loop feedback error is used to enable adaptive correction of the feed-forward control so that the estimated force motor activation more nearly produces the commanded current.
摘要翻译： 改进的电动机电流控制包括前馈和反馈控制项相加，以确定用于实现电流指令的力马达启动。 前馈控制项基于力马达温度，系统电压和力马达电路的型号来估计实现电流指令所需的力马达启动。 反馈控制项将预期响应与实际响应进行比较，并开发出校正建模误差的控制项，提供干扰抑制和改进的命令追踪。 使用闭环反馈误差来实现前馈控制的自适应校正，使得估计的力马达激活更接近地产生指令电流。
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