Title :
3-D Analytical Linear Force and Rotary Torque Analysis of Linear and Rotary Permanent Magnet Actuator
Author :
Ping Jin ; Heyun Lin ; Shuhua Fang ; Yue Yuan ; Yujing Guo ; Zhou Jia
Author_Institution :
Eng. Res. Center for Motion Control of Minist. of Educ., Southeast Univ., Nanjing, China
Abstract :
This paper presents a 3-D analytical study of the linear electromagnetic force and rotary electromagnetic torque of a novel linear and rotary permanent magnet actuator (LRPMA). The 3-D analytical magnetic distribution of the LRPMA is established using the magnetic scalar potential and modified BESSEL functions in the cylindrical coordinate system. Linear electromagnetic force and rotary electromagnetic torque, respectively, are derived and verified using finite element method (FEM) for the characterization and optimization design of the LRPMA being examined by experiments in this paper.
Keywords :
Bessel functions; finite element analysis; magnetic actuators; optimisation; permanent magnets; 3D analytical linear force analysis; 3D analytical magnetic distribution; FEM; LRPMA; cylindrical coordinate system; finite element method; linear and rotary permanent magnet actuator; linear electromagnetic force; magnetic scalar potential; modified Bessel functions; optimization design; rotary electromagnetic torque; Actuators; Electromagnetic forces; Finite element analysis; Magnetic analysis; Torque; Windings; Electromagnetic torque; linear and rotary permanent magnet actuator; magnetic scalar potential;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2013.2238897
