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A preliminary planar two-mass model has been created in this work. The model considers multiple springs and dampers in parallel to simulate complex dynamics between wheel systems. Nonlinear dynamic equations of the model are obtained. The correctness of the derivation is verified by simulation results. Based on the theory of Koopman operator, the optimized SINDy algorithm is used in this model to try to find the corresponding linear model in the Koopman space. The results of this work will be used to model wheel systems under more complex conditions (such as considering ground friction), as well as further research on undesirable vertical oscillation phenomena of wheels.

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Preliminary Modeling and Analysis of Planar Two-Mass Wheel System with Dampers

  • 会议论文

  • 发表日期：

    2025年

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  • Haoling Yin,
  • Haoyang Li,
  • Yichen Ju,
  • Chuan Cao,
  • Yehan Wang,
  • Li Fu

摘要

A preliminary planar two-mass model has been created in this work. The model considers multiple springs and dampers in parallel to simulate complex dynamics between wheel systems. Nonlinear dynamic equations of the model are obtained. The correctness of the derivation is verified by simulation results. Based on the theory of Koopman operator, the optimized SINDy algorithm is used in this model to try to find the corresponding linear model in the Koopman space. The results of this work will be used to model wheel systems under more complex conditions (such as considering ground friction), as well as further research on undesirable vertical oscillation phenomena of wheels.