Design of a New Bilayer Multi-Pole Electromagnetic Brake System

Abstract

"This paper deals with the design and simulation of a bi-layer multi-pole electromagnetic brake. The design utilizes the superposition principle of magnetic flux across the inner and outer layer of magnetic poles and provides braking torque by incorporating metal to metal contact friction. Comparing with conventional disk-shaped axial designs and multi-pole multi-layer type radial designs, the proposed design provides better torque to power ratio with compact size. In this paper, the analytical model of the brake is derived and compared with the FEM-based simulation results. The results show that the proposed design can provide a high torque-to-power ratio of 2.7 1 Nm W−  with moderate torque density of 8.5 2 kN m^-2 ."