Due to the large transverse edge effect for U-shaped ironless permanent magnet synchronous linear motor affect the distribution of air gap magnetic field is large, it will reduce the no-load back electromotive force and thrust. This paper proposes a novel method to evaluate the effect of transverse edge effect based on Kriging surrogate model. By comparing the results of the two-dimensional and three-dimensional finite element analysis of the air gap magnetic field of the motor, it can be seen transverse length of the motor, air gap height and thickness of the permanent magnet are the main influencing factors.
ZhiF.ZhangM.ZhuYu., Analysis and elimination of harmonics in force of ironless permanent magnet linear synchronous motor, Proceedings of the Chinese Society of Electrical Engineering37(7) (2017), 2101–2019.
2.
NicolaB., Analytical field computation of a tubular permanent-magnet linear motor, IEEE Transactions on Magnetics36(5) (2000), 3798–3801.
3.
LeeJ.DedeE.M.BanerjeeD., Magnetic force enhancement in a linear actuator by air-gap magnetic field distribution optimization and design, Finite Elements in Analysis & Design58 (2012), 44–52.
4.
KropD.C.J.LomonovaE.A. and VandenputA.J.A., Application of Schwarz–Christoffel mapping to permanent-magnet linear motor analysis, IEEE Transactions on Magnetics44(3) (2008), 352–359.
5.
HwangC.C. and ChoY.H., Effects of leakage flux on magnetic fields of interior permanent magnet synchronous motors, IEEE Transactions on Magnetics37(4) (2001), 3021–3024.
6.
AbdouG. and TereshkovichW., Performance evaluation of a permanent magnet brushless DC linear drive for high-speed machining using finite element analysis, Finite Elements in Analysis and Design35(2) (2000), 169–188.
