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    SYSTEMS AND METHODS FOR MAINTAINING A SUBSTANTIALLY STABLE ENGINE IDLE SPEED AFTER A GARAGE SHIFT
    1.
    发明申请
    SYSTEMS AND METHODS FOR MAINTAINING A SUBSTANTIALLY STABLE ENGINE IDLE SPEED AFTER A GARAGE SHIFT 有权
    保存发动机空载后的发动机空载速度的系统和方法

    公开(公告)号：US20140257651A1

    公开(公告)日：2014-09-11

    申请号：US13789883

    申请日：2013-03-08

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Junhong Dai ,  Wenbo Wang ,  Krishnendu Kar ,  Leon Cribbins

    IPC分类号： B60W10/06 ,  B60W10/11

    CPC分类号： B60W10/06 ,  B60W10/023 ,  B60W10/11 ,  B60W10/115 ,  B60W30/18054 ,  B60W2510/0642 ,  B60W2510/102 ,  B60W2710/065 ,  B60W2710/0666 ,  F02D31/001 ,  F02D31/008 ,  F02D41/022 ,  F02D41/023 ,  F02D41/16 ,  F02D2250/18 ,  F02D2400/12

    摘要： A method of maintaining a substantially stable engine speed after a garage shift of an automatic transmission includes identifying a moment when a load from the automatic transmission is applied to an engine via a torque converter during the garage shift based on a first turbine speed change with respect to a reference engine speed change and a second turbine speed change with respect to an actual engine speed change. The method further includes generating a feed forward torque command based on a turbine speed decrement after identifying the moment when the load from the automatic transmission is applied to the engine, and controlling the engine based on the feed forward torque command to maintain a substantially stable engine speed after the garage shift.

    摘要翻译： 一种在自动变速箱的车库换挡之后维持发动机转速基本上稳定的方法包括：鉴于在车库换档过程中基于相对于第一涡轮机转速变化的来自自动变速器的负载经由变矩器施加到发动机的时刻 相对于实际发动机转速变化的参考发动机速度变化和第二涡轮机速度变化。 该方法还包括在识别出来自自动变速器的负载被施加到发动机的时刻之后基于涡轮减速度生成前馈转矩指令，并且基于前馈转矩指令来控制发动机，以维持基本稳定的发动机 车库换乘后的速度。

    ADAPTIVE ENGINE SPEED CONTROL TO PREVENT ENGINE FROM ROLL AND STALL
    3.
    发明申请
    ADAPTIVE ENGINE SPEED CONTROL TO PREVENT ENGINE FROM ROLL AND STALL 有权
    自适应发动机速度控制，以防止发动机从滚动和停止

    公开(公告)号：US20140136074A1

    公开(公告)日：2014-05-15

    申请号：US13673181

    申请日：2012-11-09

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Wenbo Wang ,  Thomas C. Pelton ,  Alfred E. Spitza, JR. ,  Timothy J. Braman ,  Matthew M. Manning ,  Krishnendu Kar

    IPC分类号： F02D45/00

    CPC分类号： F02D31/003 ,  F02D2250/18 ,  F02D2250/22

    摘要： An adaptive engine speed control system includes an idle condition module that determines whether the engine is idling and determines whether an actual engine speed is different than a desired engine speed. The desired engine speed corresponds to a commanded engine speed. A torque reserve determination module adjusts at least one of a torque reserve and the desired engine speed based on the determination of whether the engine is idling and the determination that the actual engine speed differs from the desired engine speed. The torque reserve corresponds to a quantity of torque reserved to respond to an anticipated future load on the engine.

    摘要翻译： 自适应发动机速度控制系统包括空转状态模块，其确定发动机是否空转，并确定实际的发动机转速是否不同于期望的发动机转速。 所需的发动机转速对应于指令的发动机转速。 扭矩储备确定模块基于发动机是否空转以及实际发动机转速是否与期望发动机转速不同的判定来调节转矩储备和期望发动机转速中的至少一个。 扭矩储备对应于保留用于响应发动机上预期未来负荷的扭矩量。

    Adaptive engine speed control to prevent engine from roll and stall
    4.
    发明授权
    Adaptive engine speed control to prevent engine from roll and stall 有权
    自适应发动机转速控制，防止发动机滚动和失速

    公开(公告)号：US09074537B2

    公开(公告)日：2015-07-07

    申请号：US13673181

    申请日：2012-11-09

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Wenbo Wang ,  Thomas C. Pelton ,  Alfred E. Spitza, Jr. ,  Timothy J. Braman ,  Matthew M. Manning ,  Krishnendu Kar

    IPC分类号： F02D41/08 ,  F02D31/00

    CPC分类号： F02D31/003 ,  F02D2250/18 ,  F02D2250/22

    摘要： An adaptive engine speed control system includes an idle condition module that determines whether the engine is idling and determines whether an actual engine speed is different than a desired engine speed. The desired engine speed corresponds to a commanded engine speed. A torque reserve determination module adjusts at least one of a torque reserve and the desired engine speed based on the determination of whether the engine is idling and the determination that the actual engine speed differs from the desired engine speed. The torque reserve corresponds to a quantity of torque reserved to respond to an anticipated future load on the engine.

    摘要翻译： 自适应发动机速度控制系统包括空转状态模块，其确定发动机是否空转，并确定实际的发动机转速是否不同于期望的发动机转速。 所需的发动机转速对应于指令的发动机转速。 扭矩储备确定模块基于发动机是否空转以及实际发动机转速是否与期望发动机转速不同的判定来调节转矩储备和期望发动机转速中的至少一个。 扭矩储备对应于保留用于响应发动机上预期未来负荷的扭矩量。