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    • 8. 发明公开
    • POWER OUTPUT DEVICE, VEHICLE MOUNTING IT AND CONTROL METHOD OF POWER OUTPUT DEVICE
    • LEISTUNGSGERÄT,FAHRZEUG DAMIT UND STEUERUNGSVERFAHRENFÜRDASLEISTUNGSGERÄT
    • EP1964745A1
    • 2008-09-03
    • EP06834939.8
    • 2006-12-19
    • Toyota Jidosha Kabushiki Kaisha
    • ANDO, DaigoSATOU, FumikazuKANAYAMA, Takeshi
    • B60W10/08
    • B60W20/10B60K6/445B60K6/448B60L11/14B60L2200/26B60L2240/441B60W10/06B60W10/08B60W20/00B60W2510/0638F02D29/02F02D41/1497F02N11/0848F02N19/00F02N2200/022F02N2300/104F02P5/1506Y02T10/46Y02T10/6239Y02T10/6243Y02T10/6286Y02T10/70Y02T10/7077Y10S903/93
    • A hybrid electronic control unit sends a combustion start command to an engine ECU when the rotation speed of an engine reaches a combustion start rotation speed by engine cranking. The engine ECU sends an initial explosion advance notification to the hybrid electronic control unit when the crank position of the engine reaches a specific position prior to an ignition timing of an initial explosion cylinder by a preset crank angle θec. Ignition of the initial explosion cylinder is performed at a timing when the crank position is further rotated by the preset crank angle θec. The hybrid electronic control unit sends a torque command in view of a counter torque Tα to a motor ECU after elapse of a preset time period tv. The preset time period tv is the sum of a first time period t1 between reception of the initial explosion advance notification and the ignition timing of the initial explosion cylinder in the engine and a second time period t2 between the ignition timing of the initial explosion cylinder in the engine and appearance of torque effect caused by the ignition of the initial explosion cylinder on a driveshaft. Such control timely reduces the torque effect caused by the initial explosion of the engine on the driveshaft.
    • 当发动机的转速通过发动机起动达到燃烧开始转速时,混合动力电子控制单元向发动机ECU发送燃烧开始命令。 当发动机的曲柄位置在初始爆炸气缸的点火正时之前达到特定位置预定的曲柄角度ωec时,发动机ECU向混合动力电子控制单元发送初始爆炸提前通知。 在曲柄位置进一步旋转预定的曲柄角度ωec的时刻,执行初始爆炸气缸的点火。 混合动力电子控制单元在经过预设时间间隔tv之后,向电动机ECU发送反转矩T±的转矩指令。 预设时间间隔tv是接收初始爆炸提前通知的第一时间段t1和发动机中的初始爆炸缸的点火正时与初始爆炸缸的点火正时之间的第二时间段t2的和 发动机和扭矩效应的外观由驱动轴上的初始爆炸缸点火引起。 这种控制可以及时减少发动机在驱动轴上的初始爆炸所引起的扭矩效应。