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This paper presents the performance evaluation of two different size 6 slots and 4 poles brushless DC permanent magnet motor. These devices were simulated and tested in order to obtain efficiency, iron losses, copper losses, and shaft power. The simulation was done using a program called Finite Element Method Magnetics (FEMM) and a script based on the programming language Lua. The electrical steel...
This paper presents the optimization of a small tubular linear motor in order to obtain the best relationship of power, efficiency and volume. A genetic algorithm method with a mathematical model consisting in a Finite Element program and analytical expressions is employed. The obtained results are compared to experimental ones.
One of the most difficult procedures when designing a single phase line-start permanent magnet synchronous motor is to predict the braking torque, mainly because it has multiple sources, which take place both in the stator and in the rotor. This paper presents a way to explain the braking torque sources and compares the torques obtained by simulation with experimental results.
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