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9 条记录 (耗时 0.024 秒)

    Method and apparatus to control operation of a hydraulic pump for an electro-mechanical transmission
    2.
    发明授权
    Method and apparatus to control operation of a hydraulic pump for an electro-mechanical transmission 有权
    用于控制用于机电传动的液压泵的操作的方法和装置

    公开(公告)号：US08170762B2

    公开(公告)日：2012-05-01

    申请号：US12250296

    申请日：2008-10-13

    申请人： Michael D. Foster ,  Eric S. Tryon ,  Jy-Jen F. Sah ,  Ali K Naqvi

    发明人： Michael D. Foster ,  Eric S. Tryon ,  Jy-Jen F. Sah ,  Ali K Naqvi

    IPC分类号： F04B49/00

    CPC分类号： F16H61/0031 ,  F16H3/727 ,  F16H2037/102 ,  F16H2037/104 ,  F16H2037/106 ,  F16H2312/14 ,  Y10T477/613 ,  Y10T477/624 ,  Y10T477/6243 ,  Y10T477/637 ,  Y10T477/639

    摘要： A method for controlling a hydraulic flow within a powertrain comprising an electromechanical transmission mechanically-operatively coupled to an engine adapted to selectively transmit power to an output, wherein the transmission utilizes a hydraulic control system serving a number of hydraulic oil consuming functions includes monitoring minimum hydraulic pressure requirements for each of the functions, determining a requested hydraulic pressure based upon the monitoring minimum hydraulic pressure requirements and physical limits of the hydraulic control system including a maximum pressure, determining a desired flow utilizing a hydraulic control system flow model based upon the requested hydraulic pressure, and utilizing the desired flow to control an auxiliary hydraulic pump.

    摘要翻译： 一种用于控制动力系中的液压流动的方法，包括机械传动机械操作地联接到适于选择性地将动力传递到输出的发动机的机电传动，其中所述变速器利用用于多个液压油消耗功能的液压控制系统包括监测最小液压 对每个功能的压力要求，基于监测最小液压要求和液压控制系统的物理极限（包括最大压力）确定所请求的液压压力，使用基于所要求的液压的液压控制系统流量模型确定期望的流量 并且利用所需的流量来控制辅助液压泵。

    Method and apparatus to control clutch pressures in an electro-mechanical transmission
    5.
    发明授权
    Method and apparatus to control clutch pressures in an electro-mechanical transmission 有权
    在机电传动装置中控制离合器压力的方法和装置

    公开(公告)号：US08560191B2

    公开(公告)日：2013-10-15

    申请号：US12247293

    申请日：2008-10-08

    申请人： Jy-Jen F. Sah ,  Ali K Naqvi

    发明人： Jy-Jen F. Sah ,  Ali K Naqvi

    IPC分类号： G06F19/00 ,  F16D13/75

    CPC分类号： F16H61/061 ,  F16H57/01 ,  F16H2057/014 ,  F16H2059/465

    摘要： A method for reducing occurrence of clutch slip in electromechanical transmission adapted to selectively transmit mechanical power to an output member through selective application of a hydraulically actuated clutch includes monitoring operation of said clutch, identifying an indication of clutch wear based upon said monitoring said operation, and increasing a minimum clamping force applied to said clutch based upon said indication of clutch wear.

    摘要翻译： 一种用于减少机电传动中离合器滑动的发生的方法，其适于通过选择性地施加液压致动的离合器来选择性地将机械动力传递到输出构件，包括监测所述离合器的操作，基于所述监测所述操作识别离合器磨损的指示，以及 基于所述离合器磨损的指示，增加施加到所述离合器的最小夹紧力。

    Method and apparatus to control hydraulic line pressure in an electro-mechanical transmission
    6.
    发明授权
    Method and apparatus to control hydraulic line pressure in an electro-mechanical transmission 有权
    控制机电传动中液压管路压力的方法和装置

    公开(公告)号：US09097337B2

    公开(公告)日：2015-08-04

    申请号：US12249379

    申请日：2008-10-10

    申请人： Jy-Jen F. Sah ,  Ali K Naqvi

    发明人： Jy-Jen F. Sah ,  Ali K Naqvi

    IPC分类号： F16H61/00 ,  F16H3/72 ,  F16H59/72 ,  F16H37/10

    CPC分类号： F16H61/0031 ,  F16H3/728 ,  F16H59/72 ,  F16H61/0021 ,  F16H61/0025 ,  F16H2037/102 ,  F16H2037/104 ,  F16H2037/106

    摘要： A method for controlling hydraulic line pressure of a hydraulic control system in transmission includes determining an available flow from a plurality of hydraulic pumps, determining a flow consumption of functions served by the hydraulic control system, determining an estimated hydraulic line pressure based upon the flow from the pumps and the flow consumption, determining a desired hydraulic line pressure, and controlling the hydraulic pumps based upon the desired hydraulic line pressure and the estimated hydraulic line pressure.

    摘要翻译： 用于控制变速器中的液压控制系统的液压管路压力的方法包括确定来自多个液压泵的可用流量，确定由液压控制系统服务的功能的流量消耗，基于来自 泵和流量消耗，确定期望的液压管路压力，以及基于期望的液压管路压力和估计的液压管路压力来控制液压泵。

    Method and apparatus to control clutch fill pressure in an electro-mechanical transmission
    7.
    发明授权
    Method and apparatus to control clutch fill pressure in an electro-mechanical transmission 有权
    控制机电传动装置中离合器填充压力的方法和装置

    公开(公告)号：US08303463B2

    公开(公告)日：2012-11-06

    申请号：US12250514

    申请日：2008-10-13

    申请人： Jy-Jen F. Sah ,  Ali K Naqvi

    发明人： Jy-Jen F. Sah ,  Ali K Naqvi

    IPC分类号： B60W10/08 ,  F16H61/26

    CPC分类号： F16D48/02 ,  B60K6/445 ,  F16D48/066 ,  F16D2048/0221 ,  F16D2500/3024 ,  F16D2500/3166 ,  F16D2500/50251 ,  F16D2500/50293 ,  F16D2500/70605 ,  Y02T10/6239 ,  Y10T477/26 ,  Y10T477/69395

    摘要： A method to control a powertrain including a transmission, an engine, and an electric machine includes applying through a series of clutch fill events a series of incrementally changing command pressures in a pressure control solenoid controllably connected to a clutch within the transmission, monitoring a pressure switch fluidly connected to the pressure control solenoid and configured to indicate when the pressure switch is in a full feed state, determining changes in cycle times of the pressure switch corresponding to sequential applications of the series of incrementally changing command pressures, selecting a preferred command pressure to achieve a transient state in the clutch based upon the changes in pressure switch cycle times, and controlling the clutch based upon the preferred command pressure.

    摘要翻译： 用于控制包括变速器，发动机和电机的动力传动系统的方法包括通过一系列离合器填充事件施加可控地连接到变速器内的离合器的压力控制螺线管中的一系列增量变化的指令压力，监测压力 流体连接到压力控制螺线管的开关，其被配置为指示何时压力开关处于完全进给状态，确定对应于一系列递增变化的指令压力的顺序应用的压力开关的循环时间的变化，选择优选的指令压力 基于压力开关循环时间的变化来实现离合器中的过渡状态，并且基于优选的指令压力来控制离合器。

    Method and apparatus to control clutch stroke volume in an electro-mechanical transmission
    8.
    发明授权
    Method and apparatus to control clutch stroke volume in an electro-mechanical transmission 有权
    在机电传动装置中控制离合器行程的方法和装置

    公开(公告)号：US08062174B2

    公开(公告)日：2011-11-22

    申请号：US12250348

    申请日：2008-10-13

    申请人： Jy-Jen F. Sah ,  Ali K Naqvi

    发明人： Jy-Jen F. Sah ,  Ali K Naqvi

    IPC分类号： B60W10/10

    CPC分类号： F16D48/02 ,  B60K6/445 ,  F16D48/066 ,  F16D2048/0209 ,  F16D2048/0221 ,  F16D2500/3024 ,  F16D2500/3166 ,  F16D2500/50251 ,  F16D2500/70605 ,  Y02T10/6239 ,  Y10T477/26 ,  Y10T477/32 ,  Y10T477/33

    摘要： A method for controlling a powertrain comprising a transmission coupled to an engine and an electric machine adapted to selectively transmit mechanical power to an output member via selective application of a plurality of hydraulically actuated torque transfer clutches includes filling one of the hydraulic clutches to a reference fill volume expected to create a touching state in the clutch, wherein the filling is accomplished through control of a pressure control solenoid, monitoring an actual fill time of the hydraulic clutch, monitoring a flow utilized in the filling, determining a measured fill volume based upon the actual fill time and the flow, calculating a fill volume error based upon the measured fill volume and the reference fill volume, and adjusting the reference fill volume based upon the fill volume error.

    摘要翻译： 一种用于控制动力系统的方法，包括耦合到发动机的变速器和适于通过选择性地施加多个液压致动的扭矩传递离合器来选择性地将机械动力传递到输出构件的电机，包括将一个液压离合器填充到参考填充 预期在离合器中产生触摸状态的容积，其中通过控制压力控制螺线管来实现填充，监测液压离合器的实际填充时间，监测填充中使用的流量，基于 实际填充时间和流量，基于测量的填充体积和参考填充体积计算填充体积误差，并根据填充体积误差调整参考填充体积。