Title :
Fast calculation of maximum torque performance for SPM motors used in HDD
Author :
Ming Feng ; Liang Qu
Author_Institution :
Dept. of Mechatron. Eng., Univ. of Sci. & Technol. Beijing, Beijing, China
Abstract :
By visualizing the torque as an area enclosed by locus of magnet operating points in B-H plane, the geometrical characteristics of maximum torque area are investigated from the data given by FEA results. Two SPM (surface permanent-magnet) motors with pole to slot number ratio equal to 2P3S and 4P3S are examined. Then, a high efficient calculation algorithm of the maximum torque is proposed for the SPM motors.
Keywords :
finite element analysis; permanent magnet motors; torque; B-H plane; FEA; HDD; SPM motors; magnet operating points; maximum torque performance; surface permanent-magnet motors; HDD spindle motor; Stieltjes integral; Surface permanent magnet motor; Torque area;
Conference_Titel :
APMRC, 2010 Digest
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-8103-3
