TY - JOUR TI - Design and thermal analysis of a novel permanent magnet-friction integrated brake for vehicle AU - Wang Kuiyang AU - He Ren AU - Tang Jinhua AU - Liu Ruochen JN - Thermal Science PY - 2020 VL - 24 IS - 3 SP - 1827 EP - 1834 PT - Article AB - This article focuses on a new type of permanent magnet-friction integrated brake. The design scheme of integrated brake is proposed. Taking the maximization of braking moment and the minimization of volume as the dual optimization objectives, the particle swarm optimization algorithm is used to optimize the integrated brake, and the main structure parameters of the integrated brake are obtained. Based on the obtained structure parameters, the 3-D model of integrated brake is established. The mathematical models of electromagnetic field and temperature field of integrated brake are given, respectively. Taking a typical braking process as an example, the magnetic field of integrated brake is analyzed based on COMSOL software, which verifies the correctness of the design model of permanent magnet brake. The eddy current loss in the magnetic field of permanent magnet brake and the thermal contact of friction brake are taken as heat sources of the integrated brake, then the temperature field of integrated brake is analyzed. The analysis results show that the integrated brake meets the requirements of braking performances, and improves the heat recession resistance compared with the traditional friction brake.