Air gap control of multi-phase transverse flux permanent magnet linear synchronous motor by using independent vector control

2014 ◽  
Author(s):  
Seon-Hwan Hwang ◽  
Deok-Je Bang ◽  
Ji-Won Kim
Keyword(s):  
Vector Control ◽  
Permanent Magnet ◽  
Synchronous Motor ◽  
Air Gap ◽  
Independent Vector ◽  
Linear Synchronous Motor ◽  
Gap Control ◽  
Transverse Flux ◽  
Multi Phase

The Design Method for Actuators with Field Magnets of Dual Halbach Arrays

2013 ◽  
Vol 416-417 ◽  
pp. 227-232
Author(s):  
Mimpei Morishita ◽  
Takayuki Fukuda
Keyword(s):  
Permanent Magnet ◽  
Magnetic Circuit ◽  
Design Method ◽  
Algebraic Approach ◽  
Synchronous Motor ◽  
Air Gap ◽  
Linear Synchronous Motor ◽  
Halbach Arrays

The proposed magnetic circuit precisely evaluates magnetic fluxes between the field magnets of dual Halbach arrays. In the case that an actuator is configured with the dual Halback arrays and the armature coils between them, the air gap length between the dual Halbach arrays gives the maximum number of interlinkage magnetic fluxes with the armature coil through algebraic approach. The new design method is on the basis of the proposed magnetic circuit. This method makes it clear that the air gap length should be more than 1.2 times longer than the permanent magnet poles length. The utility of this design method is verified through designing cylindrical linear synchronous motor provided with the dual Halbach arrays.

The Design for Cogging Force Reduction of a Double-Sided Transverse Flux Permanent Magnet Linear Synchronous Motor

2014 ◽  
Vol 50 (11) ◽  
pp. 1-4 ◽  
Author(s):  
Jung-Seob Shin ◽  
Ryuji Watanabe ◽  
Takafumi Koseki ◽  
Houng-Joong Kim ◽  
Yasuhiro Takada
Keyword(s):  
Permanent Magnet ◽  
Synchronous Motor ◽  
Linear Synchronous Motor ◽  
Transverse Flux ◽  
Force Reduction
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