Suppressing sensitivity hump in HDD dual-stage servo systems

Microsystem Technologies

Volumn 11, Issue 8-10, 2005, Pages 653-662

  Pang, Chee Khiang ^a   Wu, Daowei ^b   Guo, Guoxiao ^a   Chong, Tow Chong ^a   Wang, Youyi ^b  

^a DATA STORAGE INSTITUTE   (Singapore)

^b NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Dual stage servo system; Relative degree; Sensitivity hump

Indexed keywords

ACTUATORS; AMPLIFICATION; ELECTRIC MOTORS; FREQUENCIES; SERVOMECHANISMS; SPURIOUS SIGNAL NOISE; TRANSFER FUNCTIONS;

DUAL-STAGE SERVO SYSTEM; RELATIVE DEGREE; SENSITIVITY HUMP; VOICE COIL MOTORS;

HARD DISK STORAGE;

EID: 26444602387     PISSN: 09467076     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00542-005-0535-3     Document Type: Conference Paper

References (15)

1. Abramovitch D, Hurst T, Henze D (1997) The PES pareto method: uncovering the strata of position error signals in disk drives. In: Proceedings of the American control conference 1997, Albuquerque, 4-6 June, 5:2888-2895
2. Du C, Zhang J, Guo G (2002) Vibration analysis and control design comparison of fluid bearing and ball bearing HDDs. In: Proceedings of the American control conference 2002, Anchorage, pp 1380-1385
3. Evans R, Griesbach J, Messner W (1999) Piezoelectric microactuator for dual-stage control. IEEE Trans Magn 35(2):977-982
4. Guo G, Wu D, Chong T C (2002) Nonlinear dual-stage control design considering micro-actuator saturation. IFAC Mechatronic Conference
5. Huang F Y, Imaino W, Lee F, Semba T (2001) Active damping in HDD actuator. IEEE Trans. Magn, 37(2):847-849
6. Karaman M, Messner W C (2002) Robust dual-stage HDD track follow control systems design for hand off shaping. Digest of Asia-Pacific magnetic recording Conference 2002, pp BA5-01-BA5-02
7. Kobayashi M, Nakagawa S, Atsumi T, Yamaguchi T (2001) High bandwidth servo control designs for magnetic disk drives. In: Proceedingof the IEEE / ASM E international conference on advanced intelligent mechatronics 2001 2:1124-1129
8. Kobayashi M, Nakagawa S, Nakamura S (2002) A phase-stabilized servo controller for dual-stage actuators in hard-disk drivers. Digest of Asia-Pacific magnetic recording conference 2002 BA4-01-BA4-02
9. Lou Y, Gao P, Qin B, Guo G, Ong E H, Takada A, Okada K (2002) Dual-stage servo with on-slider PZT microactuator for hard-disk drives. IEEE Trans Magn 38(5):2183-2185
10. Tokuyama M et al (2001) Development of a Φ-shaped actuated suspension for 100 kTPI hard-disk drives. IEEE Trans Magn 37(4): 1884-1886
11. Wong W E, Guo g, Al-Mamum A, Ye W, Zhang J (2002) A position encoding and decoding scheme for ultra high density magnetic recording. Digest of Aisa-pacific magnetic recording conference 2002, pp WE-P-08-01-WE-P-08-02
12. Wu D (2003) Study on high performance dual-stage servomechanism in hard disk drives. PhD Thesis, National University of Singapore 2003
13. Wu B, Jonckheere E (1992) A simplified approach to bode's theorem for continuous-time and discrete-time systems. IEEE Trans Auto Control 37(100): 1797-1802
14. Wu D, Guo G, Chong C T (2001) Analysis and comparison of resonance compensation in dual-stage actuation system of HDDs. In: Proceeding of the American control conference 2001 5:3824-3829
15. 2. IEEE Trans Magn 38(5):1861-1866