Magnetorheological brake (MRB) is a promising new braking technology with several potential advantages over conventional hydraulic brakes. However, MRB has not yet been widely commercialized due to a number of challenges, including high operating temperatures. This paper presents a thermal analysis method for the structure of a trapezoidal tooth-shaped disk MR brake. The temperature of the MRF and the main components of the MRB is simulated using Altair Flux software. The simulation results for a period of 60 s show that the temperature of the MRF, rotor, and stator of the trapezoidal brake device is still within the allowable operating range of the material (50–100 °C). The trapezoidal MRB is capable of meeting thermal requirements. The results of this study provide a basis for further research on energy, cooling, and optimization of the trapezoidal MRB structure.

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Unveiling the Thermal Fingerprint of Magnetorheological Brakes: A Simulation Approach

  • Hoang Quang Tuan,
  • Trinh Minh Hoang,
  • Nguyen Anh Ngoc,
  • Ock Taeck Lim

摘要

Magnetorheological brake (MRB) is a promising new braking technology with several potential advantages over conventional hydraulic brakes. However, MRB has not yet been widely commercialized due to a number of challenges, including high operating temperatures. This paper presents a thermal analysis method for the structure of a trapezoidal tooth-shaped disk MR brake. The temperature of the MRF and the main components of the MRB is simulated using Altair Flux software. The simulation results for a period of 60 s show that the temperature of the MRF, rotor, and stator of the trapezoidal brake device is still within the allowable operating range of the material (50–100 °C). The trapezoidal MRB is capable of meeting thermal requirements. The results of this study provide a basis for further research on energy, cooling, and optimization of the trapezoidal MRB structure.