Design and Analysis of Variable Airgap Permanent Magnet Motor for Electric Drivetrain

This paper presents performance analysis of a variable flux permanent magnet motor. The proposed machine can flexibly control the air-gap flux by adjusting the separation distance between the rotor and stator, allowing for variation in electromagnetic coupling based on operating conditions. Simulation results are provided to verify the effectiveness of the self-adjusted variable air gap motor, which maximizes power transfer by controlling the electromagnetic coupling.