Abstract
This paper presents a design method for a linear synchronous motor with half-wave-rectified self excitation; this method enables the construction of a motor with small thrust ripple. The mover of the motor is designed to be asymmetrical for reducing the thrust ripple. First, we design the structure of the asymmetrical mover and the field winding of the mover by using the finite element method and a characteristic equation. The asymmetrical mover is built, and the thrust ripple reduction is verified by performing experiments. Next, the linear synchronous motor is modeled using a circuit simulator in order to confirm its high-speed performance. The operation characteristics are clarified by performing a simulation.
