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Analysis and Computer-Aided Simulation of Cogging Force Characteristic of a Linear Electromagnetic Launcher With Tubular Transverse Flux Machine

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4 Author(s)
Qian Wang ; State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, China ; Jiming Zou ; Jibin Zou ; Mei Zhao

This paper investigates a linear electromagnetic launcher with tubular transverse flux permanent-magnet linear machine (TFPMLM). Special focus is given on its cogging force characteristic, including the theoretical analysis and computer-aided simulation. Both 3-D and equivalent 2-D finite-element analyses are performed to calculate the cogging force, and the results are compared. It is shown that the proposed 3-D to 2-D equivalence can predict the cogging force of the tubular TFPMLM in an accurate and fast way.

Published in:

IEEE Transactions on Plasma Science  (Volume:39 ,  Issue: 1 )