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This article investigates a full vehicle model integrated with a driver’s seat and an active control system to evaluate factors influencing the ride comfort of the driver. The model includes a full-car suspension model (7 Degrees of Freedom (DOF)), a driver’s seat suspension system model (2 DOF), an independent front axle suspension, a dependent rear axle suspension, and a closed-loop PID controller. The three standard road surfaces are urban sidewalks, speed bumps, and random road surfaces in CD form according to ISO 8608-1995, which are used as input factors affecting the vehicle model. The results show that the proposed PID controller is highly effective in reducing vertical acceleration at the driver’s seat compared to the passive suspension system when the vehicle passes over the three types of road surfaces. Specifically, under CD road conditions, the PID controller reduces the driver's seat acceleration oscillation by 33.1% at the peak oscillation point. Finally, based on the study's results, the article encourages further research and the application of intelligent controllers to minimize the impact of road surfaces on vehicles.

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Vibration Control of an Active Seat Suspension System Using a PID Controller

  • 会议论文

  • 发表日期：

    2026年

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  • Nguyen Anh Ngoc,
  • Pham Tuan Quang,
  • Pham Duc Quan,
  • Vu Hai Quan,
  • Nguyen Xuan Hien,
  • Nguyen Minh Tien,
  • Hoang Thang

摘要

This article investigates a full vehicle model integrated with a driver’s seat and an active control system to evaluate factors influencing the ride comfort of the driver. The model includes a full-car suspension model (7 Degrees of Freedom (DOF)), a driver’s seat suspension system model (2 DOF), an independent front axle suspension, a dependent rear axle suspension, and a closed-loop PID controller. The three standard road surfaces are urban sidewalks, speed bumps, and random road surfaces in CD form according to ISO 8608-1995, which are used as input factors affecting the vehicle model. The results show that the proposed PID controller is highly effective in reducing vertical acceleration at the driver’s seat compared to the passive suspension system when the vehicle passes over the three types of road surfaces. Specifically, under CD road conditions, the PID controller reduces the driver's seat acceleration oscillation by 33.1% at the peak oscillation point. Finally, based on the study's results, the article encourages further research and the application of intelligent controllers to minimize the impact of road surfaces on vehicles.