Title :
Reducing the acoustic noise of FDB spindle motor by using drive technology
Author :
Bi, C. ; Jiang, Q. ; Lin, S. ; Low, T.S. ; Mamun, A.A.
Abstract :
Fluid dynamic bearing (FDB) spindle motors have been used widely in hard disk drives (HDDs). In this paper, the effects of EM forces are analyzed from the point of view of acoustic noise generation. A drive mode is suggested for reducing the acoustic noise produced in the operation of the fluid dynamic bearing spindle motors.
Keywords :
acoustic noise; disc drives; electric motors; electromagnetic forces; hard discs; machine bearings; noise abatement; EM force effects; FDB spindle motor; HDD; acoustic noise generation; acoustic noise reduction; drive mode; drive technology; fluid dynamic bearing spindle motors; hard disk drives; Acoustic noise; Auditory system; Electromagnetic interference; Fluid dynamics; Magnetic noise; Permanent magnet motors; Rotors; Stator cores; Synchronous motors; Torque;
Conference_Titel :
Magnetic Recording Conference, 2002. Digest of the Asia-Pacific
Conference_Location :
Singapore
Print_ISBN :
0-7803-7509-2
DOI :
10.1109/APMRC.2002.1037625
