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The present study aims to experimentally investigate the damping variation in a MR-TLCD system coupled with 1DoF mechanical system, considering scenarios with and without magnetic field variation. For this purpose, each sub-system is experimentally analyzed to identify its equivalent parameters. The experimental response of the coupled TLCD-MR + 1DoF system is then com-pared to the analytical 2DoF coupled model, which is informed by the equivalent parameters of the uncoupled subsystems. Forced vibration techniques are applied to determine the dynamic parameters and to validate the coupled system’s dynamic behavior. The study aims to demonstrate how variations in the magnetic field influence the damping ratio, using the frequency response function of the coupled 2DOF system as a reference. While this work is limited to a laboratory-scale system, it represents a first step toward practical wind turbine applications, with future research focusing on real-time damping control strategies and scalability to full-scale devices.

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Vibration Analysis of a Reduced Model of Magneto-Rheological TLCD Coupled to a Mechanical System 1DoF Subject to External Magnetic Fields

  • 会议论文

  • 发表日期：

    2026年

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  • Tiago Soares Neves,
  • Marcus Vinicius Girão de Morais,
  • Rafael Castilho Faria Mendes

摘要

The present study aims to experimentally investigate the damping variation in a MR-TLCD system coupled with 1DoF mechanical system, considering scenarios with and without magnetic field variation. For this purpose, each sub-system is experimentally analyzed to identify its equivalent parameters. The experimental response of the coupled TLCD-MR + 1DoF system is then com-pared to the analytical 2DoF coupled model, which is informed by the equivalent parameters of the uncoupled subsystems. Forced vibration techniques are applied to determine the dynamic parameters and to validate the coupled system’s dynamic behavior. The study aims to demonstrate how variations in the magnetic field influence the damping ratio, using the frequency response function of the coupled 2DOF system as a reference. While this work is limited to a laboratory-scale system, it represents a first step toward practical wind turbine applications, with future research focusing on real-time damping control strategies and scalability to full-scale devices.