Design and Optimization of a Novel Dual-Stator Flux-Switching Permanent Magnet Machine

In this paper, a 24-slot/25-pol e dual-stator flux switching permanent magnet machine (DSFSPMM) is designed and optimized to improve electromagnetic performance by combining the spoke-type magnet configurations, phase-group concentrated coil windings and an unaligned arrangement of rotor teeth. The design concept and operation principle of the machine are introduced in detail. Due to the complex dualstator structure, the proposed DSFSPMM model is established and analyzed by using the finite element method software. To achieve the optimal structure size of the machine, the multiobjective genetic algorithm (MOGA) is carried out based on the single-parameter scanning. As a result, it shows that the optimized model exhibits high torque density, low torque ripple, and high efficiency.