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    • 52. 发明授权
    • Shifting control apparatus for vehicular power transmitting system
    • 车辆动力传动系统变速控制装置
    • US08287429B2
    • 2012-10-16
    • US13322524
    • 2009-05-26
    • Kenta KumazakiTooru MatsubaraAtsushi TabataTatsuya Imamura
    • Kenta KumazakiTooru MatsubaraAtsushi TabataTatsuya Imamura
    • H02P17/00
    • B60K6/365B60K1/02B60K6/445B60K6/547B60L1/02B60L7/14B60L11/123B60L11/14B60L15/2027B60L2220/14B60L2240/12B60L2240/423B60L2240/441B60L2240/445B60L2240/485B60L2240/486B60W10/115B60W30/18127B60W2520/10F16H61/686F16H2061/0234Y02T10/6217Y02T10/6239Y02T10/645Y02T10/7077Y02T10/72Y02T10/7275Y02T10/76Y10T477/26Y10T477/33Y10T477/688
    • A shifting control apparatus for a power transmitting system of a vehicle provided with a vehicle drive electric motor, and a step-variable automatic transmission constituting a part of a power transmitting path between said vehicle drive electric motor and drive wheels, the shifting control apparatus controls said vehicle drive electric motor to perform a regenerative operation in a coasting state of the vehicle, and controls said automatic transmission to perform a shift-down operation at a predetermined coasting shift-down vehicle speed in the coasting state, the shifting control apparatus is configured: to change said coasting shift-down vehicle speed according to a regenerative power of said vehicle drive electric motor; to control said vehicle drive electric motor in the coasting state of the vehicle, so as to perform the regenerative operation at a vehicle speed higher than a predetermined drive/driven switching vehicle speed value, and so as to generate a vehicle drive torque at a vehicle speed lower than said predetermined drive/driven switching vehicle speed value; and to lower said coasting shift-down vehicle speed value at which the shift-down operation of said automatic transmission to a lowest shift position thereof is performed, and said drive/driven switching vehicle speed value, with an increase of said regenerative power of said vehicle drive electric motor.
    • 一种用于车辆动力传递系统的变速控制装置,其具有车辆驱动电动机,以及构成所述车辆驱动电动机和驱动轮之间的动力传递路径的一部分的可变自动变速器,变速控制装置控制 所述车辆用驱动电动机在车辆的滑行状态下进行再生运转,并且控制所述自动变速器以惯性滑行状态的规定的滑行下降车速进行减速动作,变速控制装置 :根据所述车辆驱动电动机的再生功率来改变所述惯性换挡车速; 在车辆的滑行状态下控制所述车辆驱动电动机,以便以比预定的驱动/驱动切换车速值高的车速进行再生运转,并且在车辆上产生车辆驱动转矩 速度低于所述预定的驱动/驱动切换车速值; 并且将所述自动变速器的减速操作执行到所述自动变速器的最低变速位置的所述惯性下降车速值降低,并且所述驱动/驱动切换车速值随着所述自动变速器的所述再生功率的增加而减小 车载电动机。