Segmented Power Supply Control of Double-sided Linear Flux-Switching Permanent Magnet Motor

Current research shows that the double-sided linear flux-switching permanent magnet (DLFSPM) motor is suitable for electromagnetic launch systems, in which the armature windings and permanent magnets are set on the long primary stator, whereas the mover is only composed of yokeless iron. Thus, the DLFSPM motor incorporates the merits of high power density and efficiency of the linear permanent magnet synchronous motor and simple and robust structure of linear induction motor. To improve the power factor and decrease the inverter capacity, the segmented power supply control methods of the DLFSPM motor are investigated in this study. First, the structure, electromagnetic parameters, and the segmented power supply method of the DLFSPM motor are explored. Then, the mathematical models and the control strategies of the DLFSPM motor are deduced and proposed. Finally, the simulations and experiments of the DLFSPM motor are conducted to validate the study of segmented power supply method.