Midfrequency disturbance suppression via micro-actuator in dual-stage HDDs

IEEE Transactions on Magnetics

Volumn 38, Issue 5 I, 2002, Pages 2189-2191

  Wu, Daowei ^a   Guo, Guoxiao ^a   Chong, Tow C ^a  

^a DATA STORAGE INSTITUTE   (Singapore)

Author keywords

Dual stage servo system; Micro actuator; Midfrequency disturbance; Peak filter

Indexed keywords

ATTENUATION; BANDWIDTH; HARD DISK STORAGE; SERVOMECHANISMS; VIBRATIONS (MECHANICAL);

TRANSIENT RESPONSE;

MICROACTUATORS;

EID: 0036762315     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2002.801862     Document Type: Article

References (8)

1. J. McAllister, "The effect of disk platter resonances on track misregistration in 3.5 inch disk drives," IEEE Trans. Magn., vol. 32, pp. 1762-1766, May 1996.
2. P. Srikrishna and K. Kasetty, "Predicting track misregistration (TMR) from disk vibration of alternate substrate materials," IEEE Trans. Magn., vol. 36, pp. 171-176, Jan. 2000.
3. R. Ehrlich, J. Adler, and H. Hindi, "Rejecting oscillatory, non-synchronous mechanical disturbance in hard disk drives," IEEE Trans. Magn., vol. 37, pp. 646-650, Mar. 2001.
4. S. Sri-Jayantha, H. Dang, A. Sharma, I. Yoneda, N. Kitazaki, and S. Yamamoto, "TrueTrack™ servo technology for high TPI disk drives," IEEE Trans. Magn., vol. 37, pp. 871-876, Mar. 2001.
5. L. Guo and Y. Chen, "Disk flutter and its impact on HDD servo performance," IEEE Trans. Magn., vol. 37, pp. 866-870, Mar. 2001.
6. L. Sievers and A. Flotow, "Comparison and extensions of control methods for narrow-band disturbance rejection," IEEE Trans. Signal Processing, vol. 40, pp. 2377-2391, Oct. 1992.
7. T. Yamaguchi, K. Shishida, S. Tohyama, and H. Hirai, "Mode switching control design with initial value compensation and its application to head positioning control on magnetic disk drives," IEEE Trans. Indust. Electron., vol. 43, pp. 65-73, Feb. 1996.
8. D. Wu, G. Guo, and T. Chong, "Adaptive compensation of microactuator resonance in hard disk drives," IEEE Trans. Magn., vol. 36, pp. 2247-2250, Sept. 2000.