Article

Analysis of the reduction of detent force in a permanent magnet linear synchronous motor

Dept. of Electr. & Electron. Eng., Musashi Inst. of Technol., Tokyo
IEEE Transactions on Magnetics (impact factor: 1.36). 12/1995; DOI:10.1109/20.489752 pp.3728 - 3730
Source: IEEE Xplore

ABSTRACT The problem in improving the positioning precision of a permanent
magnet linear synchronous motor (LSM) is the large detent force caused
by the permanent magnet. The detent force is thought to arise from the
difference of the position of a permanent magnet end and a tooth
position. If one detent force is independent from the other, we can
reduce the total detent force of the permanent magnet linear synchronous
motor by the arrangement of a permanent magnet end and a tooth. This
paper presents are improvement of the arrangement of the permanent
magnet end of a linear synchronous motor in order to reduce the detent
force by using numerical analysis

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Keywords

detent force
 
large detent force
 
linear synchronous motor
 
LSM
 
numerical analysis
 
permanent magnet
 
permanent magnet end
 
positioning precision
 
total detent force
 

T. Yoshimura