Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain
    1.
    发明授权
    Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain 失效
    用于在车辆动力总成中的离合器管理策略中估计离合器接合参数的方法

    公开(公告)号:US07603219B2

    公开(公告)日:2009-10-13

    申请号:US12070942

    申请日:2008-02-22

    IPC分类号: G06F7/00 B60W10/02

    摘要: A method is disclosed for computing clutch engagement characteristics of a friction clutch system in a vehicle powertrain. A dynamic model of the system is used under conditions that cause clutch slipping. Algebraic equations defining a functional relationship between clutch torque and an engagement angle have characteristic parameters that are estimated using a non-linear least squares technique. The non-linear least squares technique repetitively minimizes the difference between a measured clutch output speed and a clutch output speed from the system dynamic model for the same inputs until a small insignificant error is reached. Parameter estimates are used to update each engagement characteristic.

    摘要翻译: 公开了一种用于计算车辆动力系中的摩擦离合器系统的离合器接合特性的方法。 在导致离合器滑动的条件下使用系统的动态模型。 定义离合器转矩和接合角度之间的函数关系的代数方程式具有使用非线性最小二乘法估计的特征参数。 非线性最小二乘法重复地将从相同输入的系统动态模型测得的离合器输出速度和离合器输出速度之间的差最小化,直到达到小的无意义的误差。 参数估计用于更新每个接合特性。

    Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain
    2.
    发明申请
    Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain 审中-公开
    用于在车辆动力总成中的离合器管理策略中估计离合器接合参数的方法

    公开(公告)号:US20070294017A1

    公开(公告)日:2007-12-20

    申请号:US11471267

    申请日:2006-06-20

    IPC分类号: G06F17/00

    摘要: A method is disclosed for estimating clutch engagement characteristics of a friction clutch system in a vehicle powertrain. A dynamic model of the system is used under conditions that cause clutch slipping. Algebraic equations defining a functional relationship between clutch torque and an engagement angle have characteristic parameters that are estimated using a non-linear least squares technique. A non-linear least squares technique iteratively minimizes the difference between a measured output clutch disk speed and an output clutch disk speed from the system dynamic model for the same inputs until a small insignificant error is reached. Parameter estimates are used to compile an estimated clutch engagement characteristic.

    摘要翻译: 公开了一种用于估计车辆动力系中的摩擦离合器系统的离合器接合特性的方法。 在导致离合器滑动的条件下使用系统的动态模型。 定义离合器转矩和接合角度之间的函数关系的代数方程式具有使用非线性最小二乘法估计的特征参数。 非线性最小二乘法迭代地将来自相同输入的系统动态模型的测量输出离合器盘速度和输出离合器盘速度之间的差最小化,直到达到小的无意义的错误。 参数估计用于编译估计的离合器接合特性。

    Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain
    3.
    发明申请
    Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain 失效
    用于在车辆动力总成中的离合器管理策略中估计离合器接合参数的方法

    公开(公告)号:US20080147285A1

    公开(公告)日:2008-06-19

    申请号:US12070942

    申请日:2008-02-22

    IPC分类号: F16D66/00 G06F17/11

    摘要: A method is disclosed for estimating clutch engagement characteristics of a friction clutch system in a vehicle powertrain. A dynamic model of the system is used under conditions that cause clutch slipping. Algebraic equations defining a functional relationship between clutch torque and an engagement angle have characteristic parameters that are estimated using a non-linear least squares technique. A non-linear least squares technique iteratively minimizes the difference between a measured output clutch disk speed and an output clutch disk speed from the system dynamic model for the same inputs until a small insignificant error is reached. Parameter estimates are used to compile an estimated clutch engagement characteristic.

    摘要翻译: 公开了一种用于估计车辆动力系中的摩擦离合器系统的离合器接合特性的方法。 在导致离合器滑动的条件下使用系统的动态模型。 定义离合器转矩和接合角度之间的函数关系的代数方程式具有使用非线性最小二乘法估计的特征参数。 非线性最小二乘法迭代地将来自相同输入的系统动态模型的测量输出离合器盘速度和输出离合器盘速度之间的差最小化,直到达到小的无意义的错误。 参数估计用于编译估计的离合器接合特性。