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    • 87. 发明授权
    • Controller of drive device for vehicle
    • 车辆驱动装置控制器
    • US07753818B2
    • 2010-07-13
    • US11908337
    • 2006-03-15
    • Atsushi KamadaAtsushi TabataYuji Inoue
    • Atsushi KamadaAtsushi TabataYuji Inoue
    • F16H3/72
    • B60W20/30B60K6/445B60K6/543B60L15/2045B60L15/2054B60L2220/42B60L2240/12B60L2240/421B60L2240/423B60L2240/441B60L2240/443B60L2240/507B60W10/06B60W10/08B60W20/00B60W30/20F02D29/02Y02T10/6239Y02T10/6286Y02T10/645Y02T10/646Y02T10/72Y02T10/7283
    • A control apparatus for a vehicular drive system including a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and a second electric motor connected to the power transmitting member. The control apparatus, which permits size reduction of the vehicular drive system, or improvements of fuel economy and vehicle drivability, includes a switching clutch or switching brake for switching a the differential mechanism between a continuously-variable shifting state and a step-variable shifting state, to enable the drive system to have both of an advantage of a fuel economy improvement of a transmission the speed ratio of which is electrically variable, and an advantage of high power transmitting efficiency of a gear type power transmitting device. The control apparatus includes an engine-torque-variation restriction control operable in the continuously-variable shifting state of the differential mechanism, to control an electric path torque, for restricting a variation of the torque to be transmitted to the power transmitting member, irrespective of a variation of the engine torque, so that the engine torque variation to be transmitted to drive wheels is restricted to improve the vehicle drivability.
    • 一种用于车辆驱动系统的控制装置,包括可操作以将发动机的输出分配到第一电动机和动力传递构件的差速机构,以及连接到动力传递构件的第二电动马达。 允许车辆驱动系统的尺寸减小或燃料经济性和车辆驾驶性能的提高的控制装置包括用于在无级变速状态和有级变速换档状态之间切换差动机构的切换离合器或切换制动器 ,以使驱动系统具有燃料经济性提高其变速比可变的变速器的优点和齿轮式动力传递装置的高动力传递效率的优点。 控制装置包括可在差速机构的无级变速状态下操作的发动机扭矩变化限制控制,以控制电路转矩,用于限制要传递到动力传递部件的扭矩的变化,而不管 发动机扭矩的变化,从而限制传递到驱动轮的发动机扭矩变化,以提高车辆驾驶性能。