This paper proposes a method that combines random forest technology (RF) and genetic algorithm (GA) for optimal design of traction motors electric vehicles (EVs). The target motor is permanent magnet assisted synchronous reluctance (PMa-SynRM), which the goal to increase average torque efficiency while reducing total harmonic distortion (THD) line-to-line back electromotive force (LtoL BEMF) ri...

The traditional flux reversal permanent magnet (FRPM) machine has high torque ripple due to the double salient-pole structure, and effective air-gap length is increased by structure of stator tooth surface, which affects size magnetomotive force (MMF). This paper proposes an axial modular flux-reversal (AM-FRPM) with attractive capabilities. Based on magnetic field modulation theory, a method a...

Abstract According to indicators, the New V-Rotor Permanent Magnet Motor (NVRPM) for compressors with a rated power of 22 kW and speed 3000 rpm is optimally designed. Because large number permanent magnets in V-type PM motor, magnetic leakage between rotor poles will increase, its air gap field contains harmonic components, which easy increase loss reduce efficiency. The structure initial V-sha...

In order to promote the development of green energy applications, this paper selects a 4-pole 24-slot surface-mounted permanent magnet synchronous motor and performs finite element simulation optimization design on it. Firstly, analysis is carried out, performance verified by simulation. Then, parameterized sensitivity cogging torque three-phase current are performed selecting variables thickne...