Modified adaptive feedforward runout compensation for dual-stage servo system

Modified adaptive feedforward runout compensation for dual-stage servo system

This paper applies the modified adaptive feedforward compensation (AFC) scheme to the dual stage servo system for the cancellation of repeatable runout (RRO) and nonrepeatable runout (NRRO). It shows that runout can be effectively compensated or attenuated by assigning runout components to VCM actua...

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Veröffentlicht in:IEEE transactions on magnetics 2000-09, Vol.36 (5), p.3581-3584
Hauptverfasser: Zhang, Jingliang, Chen, Ruifeng, Guo, Guoxiao, Low, Teck-Seng
Format: Artikel
Sprache:eng
Schlagworte:
Actuators
Adaptive systems
Applied sciences
Attenuation
Automatic frequency control
Bandwidth
Cancellation
Compensation
Control systems
Electronics
Exact sciences and technology
Feedforward
Magnetic devices
Magnetism
Maintenance engineering
Microactuators
Other magnetic recording and storage devices (including tapes, disks, and drums)
Rail to rail outputs
Reliability engineering
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Servomechanisms
Servosystems
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Zusammenfassung:This paper applies the modified adaptive feedforward compensation (AFC) scheme to the dual stage servo system for the cancellation of repeatable runout (RRO) and nonrepeatable runout (NRRO). It shows that runout can be effectively compensated or attenuated by assigning runout components to VCM actuator and microactuator properly.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.908908