| Title |
A Study on Control of High Power PM Excited TFLM for Long Distance |
| Authors |
Jin-Yong Jeon ; Gye-Ho Hwang ; Ji-Won Kim ; Gyu-Sik Kim |
| Keywords |
Transverse Flux Linear Motor(TFLM); Liquid Crystal Display(LCD); Permanent Magnet(PM); Stocker; Crane |
| Abstract |
The linear hybrid stepping motors (LHSM) has been widely used due to its simple structure and low cost control. Despite of its attractive features, the conventional LHSM has the multiples of 4th times harmonic reluctance force from excitation current and cogging force from space harmonic of permeance. This paper propose a new LHSM, which the mechanical and electrical phase difference are 45°. The proposed motor shows a unique ability to deliver low detent force and we propose a closed-loop control scheme to attack the ripple force for high performance applications. An analytical and experimental comparison between conventional and proposed LHSM is evaluated to confirm the effectiveness of the proposed modeling and control scheme. |