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    • 1. 发明授权
    • Method and system for determining a driveline ratio for a powertrain having an auxiliary transmission
    • 用于确定具有辅助变速器的动力系的传动系比的方法和系统
    • US08442732B1
    • 2013-05-14
    • US13283038
    • 2011-10-27
    • Jon A. Steeby
    • Jon A. Steeby
    • G06F19/00
    • F02D41/0225B60W10/06B60W30/1846B60W2710/0666F02D2250/26F16H59/70F16H61/70F16H63/50F16H2059/706F16H2063/508Y10T477/679
    • A method for determining a driveline ratio for a powertrain having an auxiliary transmission is provided and includes identifying a transmission gear ratio, measuring a transmission output speed, and measuring an auxiliary transmission output speed. An auxiliary transmission gear ratio is identified by comparing the transmission output speed to the auxiliary transmission output speed when the powertrain is in motion. The auxiliary transmission gear ratio is identified from a switch when the powertrain is at rest. An auxiliary transmission module has an auxiliary transmission in communication with a controller. The controller is configured to identify an auxiliary transmission gear ratio, and limit an engine torque command to limit the auxiliary transmission output torque. The engine torque command is limited if the output torque exceeds a predetermined value and if the auxiliary transmission is in a reducing gear ratio.
    • 提供了一种用于确定具有辅助变速器的动力系的传动系比的方法,包括识别变速比,测量变速器输出速度和测量辅助变速器输出速度。 通过在动力系运动时将变速器输出速度与辅助变速器输出速度进行比较来识别辅助传动比。 当动力系静止时,从开关识别辅助传动比。 辅助传输模块具有与控制器通信的辅助传输。 控制器被配置为识别辅助传动比,并且限制发动机转矩指令以限制辅助变速器输出转矩。 如果输出转矩超过预定值,并且辅助变速器处于减速比时,则发动机扭矩指令受到限制。
    • 5. 发明授权
    • Variable electronically controlled shift points for a cruise control
system
    • 用于巡航控制系统的可变电子控制换档点
    • US5393277A
    • 1995-02-28
    • US134929
    • 1993-10-12
    • Gregory R. WhiteLarry R. WebberDean S. AndersonLloyd E. FloryJon A. Steeby
    • Gregory R. WhiteLarry R. WebberDean S. AndersonLloyd E. FloryJon A. Steeby
    • B60K31/04F16H59/42F16H59/44F16H61/00F16H61/02
    • B60K31/047B60W2710/065F16H2061/0015F16H59/42F16H59/44Y02T10/76Y10T477/676
    • An engine-transmission control system is disclosed which provides for variable shift points of a manual/automatic transmission during cruise control and non-cruise control operation of the vehicle. Vehicle speed, engine speed, and engine loading are variables used individually or in combination in order to determine when shifting of the automatically controllable gear ratio operation states of the manual/automatic transmission will occur. In addition, the system includes modes of operation which include algorithms for determining varying gear shift points so that gear shifting of the top two gears occurs at various vehicle speeds dependent upon input parameters to the cruise control system and additionally in response to which cruise control mode of operation is currently selected by the driver. In addition, control of the automatic shifting of the manual/automatic transmission when the cruise control system is inactive or disabled is determined according to algorithms designed to optimize fuel economy as well as improve driveability of the vehicle and reduce driver fatigue.
    • 公开了一种发动机传动控制系统,其提供在巡航控制和车辆的非巡航控制操作期间的手动/自动变速器的可变换档点。 车速,发动机转速和发动机负载是单独使用或组合使用的变量,以便确定手动/自动变速器的自动控制的变速比操作状态何时发生变化。 此外,该系统包括操作模式,其包括用于确定变速换档点的算法,使得根据来自巡航控制系统的输入参数的各种车辆速度发生顶部两个齿轮的换档,另外响应于哪个巡航控制模式 目前由司机选择。 此外,根据旨在优化燃油经济性并提高车辆驾驶性能并降低驾驶员疲劳的算法来确定巡航控制系统不活动或禁用时手动/自动变速器的自动换挡的控制。