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This paper presents a detailed modelling and validation of a fourteen-degree-of-freedom (14-DoF) vehicle dynamic model to mimic the dynamic behaviors of the real vehicle. The response of 14-DoF vehicle model to random excitation is being studied. The modelling of 14-DoF begins from the derivation equation of motion based on ride and handling model. The equations are derived using Second Newton’s Law and then simulated in MATLAB Simulink environment. This study will consider the stiffness and damping coefficient of the tire by integrated 14-DoF vehicle dynamic model with Pacejka tire model or known as Magic Formula tire model. The proposed 14-DoF vehicle dynamic model is then validated with CarSim software known as the vehicle dynamic software. Three (3) vehicle dynamic tests based on ISO standard are performed for exploring the dynamic performance namely On-Center Handling (OCH) test, J-turn (JT) test and Parking Input (PI) test. The specific dynamic (yaw rate, lateral acceleration and slip angle of tire) results show that the proposed 14-DoF vehicle dynamic model closely follows the behavior of dynamic performance data obtained from CarSim software with acceptable Root Means Square (RMS) percentage error.

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Development, Modelling and Validation of Full Vehicle Model Integrated with Magic Formula Tire Model

  • 会议论文

  • 发表日期：

    2025年

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  • M. A. Azizul,
  • F. Ahmad,
  • J. Karjanto,
  • M. H. Che Hasan,
  • M. S. Azizi Razak,
  • M. H. Hamdi

摘要

This paper presents a detailed modelling and validation of a fourteen-degree-of-freedom (14-DoF) vehicle dynamic model to mimic the dynamic behaviors of the real vehicle. The response of 14-DoF vehicle model to random excitation is being studied. The modelling of 14-DoF begins from the derivation equation of motion based on ride and handling model. The equations are derived using Second Newton’s Law and then simulated in MATLAB Simulink environment. This study will consider the stiffness and damping coefficient of the tire by integrated 14-DoF vehicle dynamic model with Pacejka tire model or known as Magic Formula tire model. The proposed 14-DoF vehicle dynamic model is then validated with CarSim software known as the vehicle dynamic software. Three (3) vehicle dynamic tests based on ISO standard are performed for exploring the dynamic performance namely On-Center Handling (OCH) test, J-turn (JT) test and Parking Input (PI) test. The specific dynamic (yaw rate, lateral acceleration and slip angle of tire) results show that the proposed 14-DoF vehicle dynamic model closely follows the behavior of dynamic performance data obtained from CarSim software with acceptable Root Means Square (RMS) percentage error.