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This paper investigates a three-phase 12/8 poles bearingless doubly salient permanent magnet machine (BDSPMM) with suspending windings, armature windings and PMs on the stator. Based on the topology and operating principle, the influence of PM magnetization length on the performance of the BDSPMM is analyzed and a mathematical model of radial suspending force is deduced from the magnetic circuit....
The particle swarm optimization (PSO) algorithm and the improved algorithm are used to optimize an three-phase axial flux permanent-magnet (AFPM) motor with 8 pair poles. The objective is to maximize the motor power density, while ensuring the output power, acceptable current density, desired peak value of magnetic flux density and efficiency. Five variables are selected which are the PM thickness,...
A method of reconstructing the nanosecond signal is carried out based on Labview. A standard nanosecond pulse is got from pulse generator, and then the pulse is measured with a voltage divider. Through model identification, the math expression of the divider can be get. The best order of the filter is got simultaneously. The study of reconstructing input signal of measurement system is carried out...
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