An electronic steering system according to one embodiment is an electronic steering system which assists steering of a wheel by transferring auxiliary steering driving force by the operation of a motor when the steering wheel is steered. The electronic steering system comprises: a motor driving unit which operates the motor; and a control unit which is electrically connected with the motor driving unit. When vibration is generated on the wheel, the control unit receives wheel information and tire air pressure information through a communication unit, calculates a shimmy frequency according to an amount of change of the tire air pressure generated by a wheel velocity based on the received wheel information and the tire air pressure information, and controls the motor driving unit to perform the auxiliary steering based on the shimmy frequency according to the calculated tire air pressure change. The electronic steering system suppresses vibration of the steering wheel to improve steering assistance performance.

    일실시예에 따른 전동식 조향 시스템은 조향 휠이 조향될 때에 모터의 구동에 의해 보조 조향 동력을 전달하여 휠의 조향을 보조하는 전동식 조향 시스템에 있어서, 모터를 구동시키는 모터 구동부; 및 모터 구동부와 전기적으로 연결되는 제어부를 포함하고, 제어부는 휠의 진동이 발생하면, 통신부를 통해 휠 정보와 타이어 공기압 정보를 수신받고, 수신된 휠 정보와 수신된 타이어 공기압 정보에 기초하여 휠 속도에 따라 발생하는 타이어 공기압 변화량에 따른 쉬미 주파수를 산출하고, 산출된 타이어 공기압 변화량에 따른 쉬미 주파수에 기초하여 보조 조향을 수행하도록 모터 구동부를 제어하는 것을 포함한다.


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    Titel :

    ELECTRONIC STEERING SYSTEM AND CONTROL METHOD THEREOF


    Weitere Titelangaben:

    전동식 조향 시스템 및 그 제어 방법


    Beteiligte:
    JONG MIN LEE (Autor:in)

    Erscheinungsdatum :

    08.02.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / 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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