Electromagnetic Field Analysis for Permanent Magnet Retarder by Finite Element Method
Permanent magnet retarder is a kind of excellent performance brake and is used for auxiliary braking device of heavy automobile. Its advantages include lightweight, energy saving, environmental protection and simple maintenance. In addition, permanent magnet retarder can reduce braking load and thermal degradation effectively of its braking performance, and improve safety of the vehicle. Design optimization of magnetic circuit of retarder by using electromagnetic field analysis method can provide a feasible method for the future development of permanent magnet retarder.