Transmission clutch control using lumped inertia modeling
    1.
    发明授权
    Transmission clutch control using lumped inertia modeling 有权
    变速箱离合器控制采用集中惯性建模

    公开(公告)号:US08977457B2

    公开(公告)日:2015-03-10

    申请号:US13941605

    申请日:2013-07-15

    Abstract: A vehicle powertrain includes an engine, transmission, torque converter assembly, and controller. The controller includes recorded lumped inertia models of the powertrain and instructions for executing a clutch-to-clutch shift using these models. The models collectively reduce powertrain dynamics to two or three degrees of freedom. The controller executes a method to estimate clutch torques using the models. The models may include a first primary inertia block describing engine inertia and inertia of a torque converter pump, and a second primary inertia model describing the inertia of the turbine and transmission as reflected to the input member. The second primary inertia model includes bulk inertia models for each fixed gear state and each possible shift maneuver. The controller derives a required output torque value as a closed-loop target value using the lumped inertia models and a requested input torque, and uses the estimated clutch torque to achieve the target value.

    Abstract translation: 车辆动力总成包括发动机,变速器,变矩器组件和控制器。 该控制器包括动力系统记录的集总惯性模型以及使用这些模型执行离合器到离合器换档的指令。 这些模型将动力系动力学统一降低到两到三个自由度。 控制器执行一种使用这些模型来估计离合器转矩的方法。 模型可以包括描述变矩器泵的发动机惯性和惯性的第一主惯性块,以及描述反映到输入构件的涡轮机和变速器的惯性的第二主惯性模型。 第二个主要惯性模型包括每个固定齿轮状态的散装惯性模型和每种可能的换档操作。 控制器使用集总惯性模型和请求的输入转矩将所需的输出转矩值作为闭环目标值,并使用估计的离合器转矩来达到目标​​值。

    TRANSMISSION CLUTCH CONTROL USING LUMPED INERTIA MODELING
    2.
    发明申请
    TRANSMISSION CLUTCH CONTROL USING LUMPED INERTIA MODELING 有权
    使用LUMPED INERTIA建模的变速箱离合器控制

    公开(公告)号:US20150019090A1

    公开(公告)日:2015-01-15

    申请号:US13941605

    申请日:2013-07-15

    Abstract: A vehicle powertrain includes an engine, transmission, torque converter assembly, and controller. The controller includes recorded lumped inertia models of the powertrain and instructions for executing a clutch-to-clutch shift using these models. The models collectively reduce powertrain dynamics to two or three degrees of freedom. The controller executes a method to estimate clutch torques using the models. The models may include a first primary inertia block describing engine inertia and inertia of a torque converter pump, and a second primary inertia model describing the inertia of the turbine and transmission as reflected to the input member. The second primary inertia model includes bulk inertia models for each fixed gear state and each possible shift maneuver. The controller derives a required output torque value as a closed-loop target value using the lumped inertia models and a requested input torque, and uses the estimated clutch torque to achieve the target value.

    Abstract translation: 车辆动力总成包括发动机,变速器,变矩器组件和控制器。 该控制器包括动力系统记录的集总惯性模型以及使用这些模型执行离合器到离合器换档的指令。 这些模型将动力系动力学统一降低到两到三个自由度。 控制器执行一种使用这些模型来估计离合器转矩的方法。 模型可以包括描述变矩器泵的发动机惯性和惯性的第一主惯性块,以及描述反映到输入构件的涡轮机和变速器的惯性的第二主惯性模型。 第二个主要惯性模型包括每个固定齿轮状态的散装惯性模型和每种可能的换档操作。 控制器使用集总惯性模型和请求的输入转矩将所需的输出转矩值作为闭环目标值,并使用估计的离合器转矩来达到目标​​值。

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