According to an embodiment of the present invention, a method for deriving a vehicle roll model estimation algorithm for an active suspension control system comprises: a conversion step of converting a secondary roll turning motion equation of a vehicle into a primary roll turning motion equation; and a first estimation equation deriving step of deriving a roll model estimation equation by using a roll moment generated by an ARS actuator as an additional external force moment input to the primary roll turning motion equation converted by the conversion step. According to another embodiment of the present invention, a method for deriving a vehicle roll model estimation algorithm for an active suspension control system comprises: a conversion step of converting a secondary roll turning motion equation of a vehicle into a primary roll turning motion equation; and a second estimation equation deriving step of deriving a roll model estimation equation in which a variable time constant by the ECS control effect is applied to the primary roll turning motion equation converted by the conversion step. The present invention can remarkably reduce the computational load in a system.
본 발명의 일 실시예에 따른 능동 현가 제어시스템을 위한 차량의 롤 모델 추정 알고리즘 도출방법은, 차량의 2차 롤 선회운동방정식을 1차 롤 선회운동방정식으로 변환하는 변환단계 및 상기 변환단계에 의해 변환된 1차 롤 선회운동방정식에, ARS 액추에이터에 의해 생성된 롤 모멘트를 추가 외력 모멘트 입력으로 하여 롤 모델 추정식을 도출하는 제1추정식도출단계를 포함한다. 또한 본 발명의 다른 실시예에 따른 차량의 2차 롤 선회운동방정식을 1차 롤 선회운동방정식으로 변환하는 변환단계 및 상기 변환단계에 의해 변환된 1차 롤 선회운동방정식에, ECS제어 효과에 의한 가변 시정수를 적용한 롤 모델 추정식을 도출하는 제2추정식도출단계를 포함한다.
Vehicle Roll Model Estimation Algorithm Drawing Method for Active Suspension Control System
능동 현가 제어시스템을 위한 차량의 롤 모델 추정 알고리즘 도출방법
30.04.2021
Patent
Elektronische Ressource
Koreanisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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