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    Vehicle control method for vehicle having a torque converter
    5.
    发明授权
    Vehicle control method for vehicle having a torque converter 有权
    具有变矩器的车辆的车辆控制方法

    公开(公告)号：US06434467B1

    公开(公告)日：2002-08-13

    申请号：US09670353

    申请日：2000-09-26

    申请人： Brian Michael O'Neil ,  Bradley Dean Riedle

    发明人： Brian Michael O'Neil ,  Bradley Dean Riedle

    IPC分类号： G06F700

    CPC分类号： F16H61/143 ,  B60W10/02 ,  B60W10/04 ,  B60W30/1819 ,  F16H2059/144 ,  Y10T477/679 ,  Y10T477/79 ,  Y10T477/80

    摘要： A method is described for controlling a powertrain of a vehicle. In particular, the method attempts to minimize transmission gear separation, or “clunk”. Under some circumstances, it is determined whether torque converter output speed has become greater than torque converter input speed while the torque converter was unlocked. Such a situation represents a change from positive powertrain output to negative powertrain output. If such a situation has occurred, under certain circumstances, the torque converter is then locked.

    摘要翻译： 描述了一种用于控制车辆的动力系的方法。 特别地，该方法尝试使传动齿轮分离最小化或“克隆”。 在某些情况下，在变矩器解锁时，判断变矩器输出转速是否大于变矩器输入速度。 这种情况代表了从正动力系统输出到负动力系统输出的变化。 如果发生这种情况，则在某些情况下，变矩器被锁定。

    Method of controlling engine torque during launch from neutral idle operation
    8.
    发明授权
    Method of controlling engine torque during launch from neutral idle operation 有权
    从空载怠速运转中控制发动机扭矩的方法

    公开(公告)号：US06440041B1

    公开(公告)日：2002-08-27

    申请号：US09779816

    申请日：2001-02-08

    申请人： Bradley Dean Riedle ,  Jeffrey Allen Doering ,  Ronald Thomas Cowan

    发明人： Bradley Dean Riedle ,  Jeffrey Allen Doering ,  Ronald Thomas Cowan

    IPC分类号： B60K4104

    CPC分类号： F02D41/10 ,  B60W10/04 ,  B60W10/06 ,  B60W10/11 ,  B60W10/115 ,  B60W30/1819 ,  B60W30/186 ,  B60W2710/0666 ,  F02D2200/1012 ,  F02D2250/18 ,  F02D2250/21 ,  F02D2250/26 ,  F16H61/686 ,  F16H63/50 ,  F16H2200/0047 ,  Y10T477/675

    摘要： A method of controlling engine torque in a motor vehicle having an internal combustion engine and multi-ratio transmission when launched from a neutral idle rest condition. At neutral idle, the transmission is controlled such that the input and output members are decoupled. During vehicle launch, two different strategies may be employed to control engine torque. One preferred method is to determine an engine brake torque limit as a function of time. Another preferred method to determine the engine brake torque limit is to estimate the torque capacity of the forward clutch at any given time using a mathematical model and a calibrated offset of turbine torque. Irrespective of the particular method used, the determined engine brake torque limit is compared to the corresponding engine torque amount that is requested by the vehicle operator. As a result, the actual engine torque output is optimized at all times to provide approximately the maximum amount of requested torque without exceeding the capacity of the transmission's forward clutch.

    摘要翻译： 一种当从中立空转静止状态发射时，具有内燃机和多比率变速器的机动车辆中的发动机转矩的控制方法。 在中性空闲时，传输被控制使得输入和输出构件被解耦。 在车辆发射期间，可以采用两种不同的策略来控制发动机转矩。 一种优选的方法是确定作为时间的函数的发动机制动转矩极限。 确定发动机制动转矩极限的另一个优选方法是使用数学模型和涡轮扭矩的校准偏移来估计在任何给定时间的前进离合器的扭矩容量。 不考虑使用的特定方法，将确定的发动机制动转矩极限与车辆操作者要求的对应的发动机转矩量进行比较。 因此，实际的发动机扭矩输出始终被优化，以提供大约最大量的要求扭矩，而不超过变速器前进离合器的容量。

    Control strategy and method for independently controlling friction element actuators for an automatic transmission
    9.
    发明授权
    Control strategy and method for independently controlling friction element actuators for an automatic transmission 有权
    用于独立控制自动变速器摩擦元件执行器的控制策略和方法

    公开(公告)号：US06385520B1

    公开(公告)日：2002-05-07

    申请号：US09636729

    申请日：2000-08-10

    申请人： Pramod K. Jain ,  Howard Cecil Kuhn ,  Ronald Thomas Cowan ,  Bradley Dean Riedle ,  Chuanchi Steve Tang ,  James M. Merner

    发明人： Pramod K. Jain ,  Howard Cecil Kuhn ,  Ronald Thomas Cowan ,  Bradley Dean Riedle ,  Chuanchi Steve Tang ,  James M. Merner

    IPC分类号： G06F1700

    CPC分类号： F16H61/061 ,  F16H2059/147 ,  F16H2059/702 ,  F16H2061/0078 ,  F16H2306/24

    摘要： A control strategy and method for controlling application and release of friction elements in an automatic transmission to effect gear ratio changes as one friction element is release and another friction element is applied during ratio changes. The transmission has an electronic controller and multiple solenoid regulator valves hydraulically coupled directly to pressure-operated friction elements. Powertrain variables are obtained and processed to calculate gear ratio control parameters derived from desired line pressure for a pressure control valve circuit that communicates with the friction elements. The desired gear ratio is determined for each given set of powertrain variables. Upshifts and downshifts are obtained by releasing one friction element in synchronism with an application of the other friction element, whereby a direct friction element to friction element torque transition is achieved with minimal inertia torque disturbances.

    摘要翻译： 一种用于控制自动变速器中的摩擦元件的应用和释放的控制策略和方法，以在一个摩擦元件释放时施加齿轮比变化，并且在比率变化期间施加另一摩擦元件。 变速器具有电子控制器和多个电磁调节阀，其液压耦合到压力操作的摩擦元件。 获得并处理动力系变量，以计算从与摩擦元件连通的压力控制阀回路的期望管路压力导出的传动比控制参数。 为每组给定的动力系变量确定所需的传动比。 通过与施加另一个摩擦元件同步地释放一个摩擦元件来获得升档和降档，由此以最小的惯性转矩扰动实现摩擦元件扭矩转换的直接摩擦元件。