The present invention relates to a power transmission system and a control method thereof capable of effectively suppressing noise generated from a switching sleeve. A power transmission system (18) includes: a transfer (22) including an input shaft (36), an output shaft (38), a planetary gear device (62) including a first rotary element (S), a second rotary element (CA), and a third rotary element (R), and a high-low switching mechanism (40) including a switching sleeve (64) configured to selectively couple the output shaft (38) to the first rotary element (S) and the second rotary element (CA), and a high-low switching mechanism (40) including a switching sleeve (64) configured to selectively connect the output shaft (38) to the first rotary element (S) and the second rotary element (CA); an electric motor (MG) coupled to one of the first rotary element (S) and the second rotary element (CA); and an electronic control unit (60) configured to control the rotational speed (Nmg) of the electric motor (MG), during switching operation of the high-low switching mechanism (40) while a vehicle is stopped, such that the rotational speed of the input shaft (36) becomes zero.

    동력 전달 장치 (18) 는, 입력축 (36) 과, 출력축 (38) 과, 제 1 회전 요소 (S) 와 제 2 회전 요소 (CA) 와 제 3 회전 요소 (R) 를 포함하는 유성 기어 장치 (62) 와, 상기 출력축 (38) 을 상기 제 1 회전 요소 (S) 와 상기 제 2 회전 요소 (CA) 에 선택적으로 연결하도록 구성되는 전환 슬리브 (64) 를 포함하는 하이로우 전환 기구 (40) 를 포함하는 트랜스퍼 (22) 와, 상기 제 1 회전 요소 (S) 와 상기 제 2 회전 요소 (CA) 의 어느 일방에 연결된 전동기 (MG) 와, 상기 차량의 정차 중에 있어서 상기 하이로우 전환 기구 (40) 의 전환 동작 중에 상기 입력축 (36) 의 회전 속도가 제로가 되도록 상기 전동기 (MG) 의 회전 속도 (Nmg) 를 제어하도록 구성된 전자 제어 유닛 (60) 을 포함한다.


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    Title :

    POWER TRANSMISSION SYSTEM AND CONTROL METHOD OF POWER TRANSMISSION SYSTEM


    Additional title:

    동력 전달 장치, 및 동력 전달 장치의 제어 방법


    Contributors:
    ANDO KOJI (author)

    Publication date :

    2019-01-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING



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