IDENTITY CONTROL FOR SPINDLE MOTORS IN HARD-DISK DRIVES

Authors
LOW TS SOH CS BI C CHANG KT
Citation
Ts. Low et al., IDENTITY CONTROL FOR SPINDLE MOTORS IN HARD-DISK DRIVES, IEEE transactions on magnetics, 31(6), 1995, pp. 3117-3119
Citations number
5
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE transactions on magnetics → ACNP
ISSN journal
00189464
Volume
31
Issue
6
Year of publication
1995
Part
1
Pages
3117 - 3119
Database
ISI
SICI code
0018-9464(1995)31:6<3117:ICFSMI>2.0.ZU;2-T
Abstract
A novel control technique for hard-disk spindle motor is presented tha t improves the efficiency of the motor drive system. A spindle motor i s first characterized by its 'identity', which is the per-phase torque profile, and then the identity is used to generate an optimal drive c urrent ok voltage for driving the spindle. The harmonic content in the drive current is also significantly reduced.