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Lateral Dynamic Simulation of a Bus under Variable Conditions of Camber and Curvature Radius

Author

Listed:
  • Ester Olmeda

    (Mechanical Engineering Department, Research Institute of Vehicle Safety (ISVA), University Carlos III de Madrid, Avda. de la Universidad, 30, 28911 Leganes, Madrid, Spain)

  • Enrique Roberto Carrillo Li

    (Mechanical Engineering Section, Engineering Department, Pontificia Universidad Catolica del Perú, Lima 15088, Peru)

  • Jorge Rodríguez Hernández

    (Mechanical Engineering Section, Engineering Department, Pontificia Universidad Catolica del Perú, Lima 15088, Peru)

  • Vicente Díaz

    (Mechanical Engineering Department, Research Institute of Vehicle Safety (ISVA), University Carlos III de Madrid, Avda. de la Universidad, 30, 28911 Leganes, Madrid, Spain)

Abstract

The objective of this paper is to describe a model for the simulation of the lateral dynamics of a vehicle, specifically buses, under variable trajectory conditions, such as camber and radius of curvature; in addition, a variable speed is added as a simulation parameter. The objective of this study is the prevention of vehicle rollover and sideslip. An 8 degrees of freedom model was developed, considering a front and a rear section of the bus with its respective suspension system, and both sections have been connected by a torsion spring that emulates the torsional stiffness of the vehicle chassis. A Panhard bar is also added at the rear as an additional element to the suspension and the behavior of the bus when it is added is analyzed. This model also allows the evaluation of the force on each suspension component, which allows for future controllability of the active suspension components. The results show the dynamic behavior of the vehicle, and some indicators are introduced to show the possible sideslip or rollover. As a conclusion, the influence of the road parameters on the dynamic behavior of the bus and the effect of the Panhard bar on the dynamic behavior of the bus can be pointed out.

Suggested Citation

  • Ester Olmeda & Enrique Roberto Carrillo Li & Jorge Rodríguez Hernández & Vicente Díaz, 2022. "Lateral Dynamic Simulation of a Bus under Variable Conditions of Camber and Curvature Radius," Mathematics, MDPI, vol. 10(17), pages 1-25, August.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:17:p:3081-:d:898504
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    References listed on IDEAS

    as
    1. Yanna Yin & Huiying Wen & Lu Sun & Wei Hou, 2020. "The Influence of Road Geometry on Vehicle Rollover and Skidding," IJERPH, MDPI, vol. 17(5), pages 1-17, March.
    2. Amir Saman Abdollahzadeh Nasiri & Omid Rahmani & Ali Abdi Kordani & Nader Karballaeezadeh & Amir Mosavi, 2020. "Evaluation of Safety in Horizontal Curves of Roads Using a Multi-Body Dynamic Simulation Process," IJERPH, MDPI, vol. 17(16), pages 1-20, August.
    3. Jinliang Xu & Tian Xin & Chao Gao & Zhenhua Sun, 2022. "Study on the Maximum Safe Instantaneous Input of the Steering Wheel against Rollover for Trucks on Horizontal Curves," IJERPH, MDPI, vol. 19(4), pages 1-23, February.
    Full references (including those not matched with items on IDEAS)

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