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    • 57. 发明授权
    • Multi-phase engine stop position control
    • 多相发动机停止位置控制
    • US08770173B2
    • 2014-07-08
    • US12759898
    • 2010-04-14
    • Jun HanLan WangGoro Tamai
    • Jun HanLan WangGoro Tamai
    • F02D41/00F02N11/08F02N19/00F02D41/04
    • F02N11/0818F02D41/0097F02D41/042F02D41/065F02D2041/0095F02D2200/101F02N11/0814F02N19/005F02N2019/008
    • A method is provided for controlling engine stop position in a vehicle having an engine with auto stop/auto start functionality. The method includes automatically ramping down engine speed upon initiation of an auto stop event, executing closed-loop speed control of the engine when the engine speed begins to ramp down, and for as long as the engine speed remains above a threshold engine speed while ramping down the engine speed; executing closed-loop position control of the engine while ramping down the engine speed once the engine speed is less than the threshold engine speed and greater than zero; and stopping the crankshaft to within a calibrated range of a targeted engine stop position. A controller is also provided that includes a hardware module and an algorithm adapted for executing the foregoing method, and a vehicle is provided having an engine with auto stop/start functionality and the controller noted above.
    • 提供一种用于控制具有自动停止/自动启动功能的发动机的车辆中的发动机停止位置的方法。 该方法包括在发动自动停止事件时自动降低发动机转速,当发动机转速开始下降时执行发动机的闭环速度控制,并且只要发动机转速保持高于发动机转速的阈值,同时斜坡 降低发动机转速; 一旦发动机转速小于发动机转速的阈值并大于零,则执行发动机的闭环位置控制,同时降低发动机转速; 并将曲轴停止在目标发动机停止位置的校准范围内。 还提供了一种包括硬件模块和适于执行上述方法的算法的控制器,并且提供了一种具有自动停止/起动功能的发动机和上述控制器的车辆。
    • 58. 发明授权
    • Wide-node drive system
    • 宽节点驱动系统
    • US08702544B2
    • 2014-04-22
    • US13534483
    • 2012-06-27
    • Goro TamaiAnthony J. CorsettiAlan G. HolmesBrendan M. Conlon
    • Goro TamaiAnthony J. CorsettiAlan G. HolmesBrendan M. Conlon
    • F16H3/72B60K6/445B60K6/50
    • B60K6/365B60K6/445F16H2037/0866Y02T10/6239
    • An electro-mechanical drive unit connectable with multiple power sources for launching and propelling a vehicle includes an output member, a stationary member, and a torque-transmitting device. The drive unit also includes a compound planetary gear arrangement having a first, second, third, and fourth junction point. The power sources include a first motor/generator and a second motor/generator. The first motor/generator and the second motor/generator are disposed on a common rotating axis. The second motor/generator is operatively connected to the compound planetary gear arrangement at the first junction point and the output member is operatively connected to the compound planetary gear arrangement at the second junction point. Additionally, the first motor/generator is operatively connected to the compound planetary gear arrangement at the fourth junction point. Furthermore, the torque-transmitting device is engageable to ground the third junction point to the stationary member.
    • 可与多个电源连接的用于发射和推进车辆的机电驱动单元包括输出构件,固定构件和扭矩传递装置。 驱动单元还包括具有第一,第二,第三和第四连接点的复合行星齿轮装置。 电源包括第一电动机/发电机和第二电动机/发电机。 第一马达/发电机和第二马达/发电机设置在共同的旋转轴上。 第二电动机/发电机在第一连接点处可操作地连接到复合行星齿轮装置,并且输出构件在第二连接点处可操作地连接到复合行星齿轮装置。 此外,第一电动机/发电机在第四连接点处可操作地连接到复合行星齿轮装置。 此外,转矩传递装置可接合以将第三接合点接地到固定构件。