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후륜 2축 현가장치를 갖는 의료차량의 저자유도 모델 개발 및 검증
정휘권(Hwee-Kwon Jung),이승엽(Seung Yeop Lee),임동진(Dong Jin Lim),고환규(Hwan Gyu Ko),김만영(Man Yougn Kim) 한국자동차공학회 2023 한국 자동차공학회논문집 Vol.31 No.6
This paper presents a reduced order model of a multi-axle suspension system for medical purpose vehicles concerning unbalanced distribution of the axle loads during various road driving conditions. A twin-rear axle suspension as the load balancing system for limiting the occurring overloads is presented in this study. The modeled twin rear axle suspension has leaf-springs whose center are fixed to the body of vehicle, and each rigid axle is connected to both sides of the spring. The reduced-order model for the target vehicle is developed by combining the conventional bounce model with beam elements. The model is consequently verified by comparing the actual vehicle driving data with the model simulation results.