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    • 6. 发明公开
    • 엔진의 과회전 방지 장치 및 엔진의 과회전 방지 방법
    • 用于防止内燃机过度旋转的装置和方法
    • KR1020070014044A
    • 2007-01-31
    • KR1020060069615
    • 2006-07-25
    • 닛산 지도우샤 가부시키가이샤
    • 도오따유즈루무라까미겐이찌로
    • F02D41/22F02D41/04B60W10/06
    • Y02T10/40B60W30/1884B60W10/06B60W10/11B60W30/19B60W2510/0604B60W2510/0638B60W2510/1005B60W2510/1015B60W2510/104B60W2540/10B60W2710/0605B60W2710/0666F16H61/061F16H63/502F16H2061/0477
    • A device and a method for preventing over-rotation of an engine are provided to suppress increasing velocity of an engine torque in case where engine RPM is lowered by a shift-up of an automatic transmission and control for preventing over-rotation is released during control for preventing over-rotation of the engine. A device comprises an engine torque control unit, an RPM sensor, an over-rotation prevention unit, an over-rotation prevention releasing unit, and an engine torque increasing velocity restricting unit. The engine torque control unit controls torque of an engine on the basis of a driver request torque. The RPM sensor detects engine RPM. The over-rotation prevention unit suppresses the torque controlled by the engine torque control unit on the basis of the detected engine RPM, and prevents over-rotation of the engine. The over-rotation prevention releasing unit for releasing suppression of torque performed by the over-rotation prevention unit if engine RPM is lower than a predetermined value. The engine torque increasing velocity restricting unit restricts increasing velocity of the torque in cases where suppression of the torque is released by the over-rotation prevention unit and increased, during shifting performed by an automatic transmission.
    • 提供一种用于防止发动机过度转动的装置和方法,以抑制发动机扭矩在通过自动变速器的换档而降低发动机转速的情况下的增加的速度,并且在控制期间释放用于防止过度旋转的控制 用于防止发动机的过度旋转。 一种装置包括发动机扭矩控制单元,RPM传感器,防过旋单元,防止旋转过度释放单元和发动机扭矩增加速度限制单元。 发动机扭矩控制单元基于驾驶员请求扭矩来控制发动机的转矩。 RPM传感器检测发动机转速。 过旋转防止单元基于检测到的发动机RPM抑制由发动机转矩控制单元控制的转矩,并且防止发动机的过度旋转。 如果发动机转速低于规定值,则防止旋转过度的解除单元用于释放由过转动防止部所执行的转矩的抑制。 发动机扭矩增加速度限制单元限制转矩的增加速度,在由自动变速器执行的变速期间,过转矩防止单元释放转矩的抑制并增加。