본 발명은 자동변속기의 실변속구간에서 운전자 요구토크 변화량에 따른 변속 제어가 이루어질 수 있도록 함으로써, 변속감 및 변속기 내구성을 향상시킬 수 있도록 한 하이브리드 차량용 자동변속기의 변속 제어 방법에 관한 것이다. 즉, 본 발명은 자동변속기가 탑재된 하이브리드 차량의 변속 중 운전자 요구토크 변화량가 소정 수준 이상으로 크거나 잦을 때, 변속기 클러치의 유압 반응성 부족을 감안하여 모터토크를 PID 제어하여 변속기 클러치가 체결되도록 함으로써, 변속기 클러치 체결시 이질감 저감 및 변속시간 단축, 클러치 슬립 최소화를 실현할 수 있도록 한 하이브리드 차량용 자동변속기의 변속 제어 방법을 제공하고자 한 것이다.

    The present invention relates to a method for controlling gear-shift of an automatic transmission for a hybrid vehicle in which control of gear-shift in accordance with a change amount of a driver request torque in an actual gear-shift section of an automatic transmission can be implemented such that shifting feeling and durability of the transmission can be improved. Therefore, when the change amount of the driver request torque is greater or more frequent than a predetermined level during gear-shifting of a hybrid vehicle mounted with the automatic transmission, a motor torque is proportional-integral-derivative (PID) controlled with account of a lack of hydraulic reactivity of a transmission clutch such that a sense of difference in joining of the transmission clutch and a gear-shifting time can be reduced, and clutch slip can be minimized.


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    Title :

    METHOD FOR CONTROLLING AUTO TRANSMISSION OF HYBRID VEHICLE


    Additional title:

    하이브리드 차량용 자동변속기의 변속 제어 방법


    Publication date :

    2022-03-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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