Articles | Volume 13, issue 2
https://doi.org/10.5194/ms-13-687-2022
https://doi.org/10.5194/ms-13-687-2022
Research article
 | 
05 Aug 2022
Research article |  | 05 Aug 2022

Design and analysis of a hollow-ring permanent magnet brake for robot joints

Ruoyu Tan, Jieji Zheng, Bin Yu, Baoyu Li, Dapeng Fan, and Xin Xie

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Short summary
A novel hollow-ring permanent magnet brake integrated in robot joints is proposed, which allows the brake to require much less axial space and provides more than 1.5 times braking torque for the same volume as the conventional electromagnetic-spring friction brake. A coupled dynamics model of the proposed brake is developed from machine-electric-magnetic aspects. The 3D model of the brake is simulated through finite-element software. The theoretical models are verified through experiments.