Mover Design for Thrust Density Improvement of Linear Synchronous Motor with Half-wave-rectified Self-excitation

This paper presents a mover design method for a linear synchronous motor with half-wave-rectified self-excitation for improvement a thrust density. We propose a new mover that applies the principle of half-wave-rectified self-excitation to the mover with a multi-flux barrier structure. We design the structure of the proposed mover by using a finite element method. As a result, it is confirmed that the thrust density of this linear synchronous motor with the new designed mover is approximately 30% higher than that with the previously-fabricated mover by experiments.