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This paper analyzes a semi-active pneumatic seat suspension system designed to reduce vibrations and enhance operator comfort and safety. A mathematical model of the seat and air-spring assembly was developed and validated through simulations under different initial air pressures, accurately capturing the system’s dynamic behavior. A semi-active control strategy was implemented to adjust the air-spring stiffness in real time with the goal of optimizing vibration isolation. Experimental results show that the controlled system achieves significantly improved damping of seat vibrations, especially at the optimal pressure setting.

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Evaluation of the Vibration Isolation Properties of An Air Suspension System with Adjustable Stiffness in the Seats of a Working Machine

  • 会议论文

  • 发表日期：

    2026年

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  • Piotr Woś,
  • Ryszard Dindorf,
  • Jakub Takosoglu,
  • Zbigniew Dziopa

摘要

This paper analyzes a semi-active pneumatic seat suspension system designed to reduce vibrations and enhance operator comfort and safety. A mathematical model of the seat and air-spring assembly was developed and validated through simulations under different initial air pressures, accurately capturing the system’s dynamic behavior. A semi-active control strategy was implemented to adjust the air-spring stiffness in real time with the goal of optimizing vibration isolation. Experimental results show that the controlled system achieves significantly improved damping of seat vibrations, especially at the optimal pressure setting.