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The aim of this study is to investigate the impact of vibrations on the comfort of the operator of an electric tractor prototype used in agriculture by analyzing the weighted average levels of vibration accelerations transmitted through the seat and their effects on health. This is achieved using an experimental method with the VATS vibration analysis software from NexGen Ergonomics, triaxial accelerometer sensors from the Biometrics data acquisition system, and analyses according to the ISO 2631-1 standard. The study examines the effects of vibrations at two different operating speeds on two types of terrain straight road and plowed field. Additionally, a modal analysis performed with the Altair Sim Solid software identified the critical frequencies [0–20 Hz] and vibration modes that contribute most significantly to discomfort, including lateral and torsional oscillations of the electric tractor structure. The results suggest a significant potential for improving operator comfort and reducing long-term health risks associated with vibrations, highlighting benefits for the use of electric vehicles in agriculture.

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Evaluations of Vibration and Comfort of an Electric Tractor Driver by Modal and Experimental Analysis

  • 会议论文

  • 发表日期：

    2025年

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  • Daniela Tarnita,
  • Teofil-Alin Oncescu,
  • Ilie Dumitru,
  • Stefan Bostina,
  • Ionut Geonea,
  • Nicolae-Valentin Vladut,
  • Danut-Nicolae Tarnita

摘要

The aim of this study is to investigate the impact of vibrations on the comfort of the operator of an electric tractor prototype used in agriculture by analyzing the weighted average levels of vibration accelerations transmitted through the seat and their effects on health. This is achieved using an experimental method with the VATS vibration analysis software from NexGen Ergonomics, triaxial accelerometer sensors from the Biometrics data acquisition system, and analyses according to the ISO 2631-1 standard. The study examines the effects of vibrations at two different operating speeds on two types of terrain straight road and plowed field. Additionally, a modal analysis performed with the Altair Sim Solid software identified the critical frequencies [0–20 Hz] and vibration modes that contribute most significantly to discomfort, including lateral and torsional oscillations of the electric tractor structure. The results suggest a significant potential for improving operator comfort and reducing long-term health risks associated with vibrations, highlighting benefits for the use of electric vehicles in agriculture.