Analysis of Sampled-data Open-loop Characteristics on Magnetic-Head Positioning System in HDDs
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.1155
Abstract: Abstract In the magnetic-head positioning system in hard disk drives (HDDs), it is hard to analyze the effect of mechanical resonances beyond the Nyquist frequency after the HDDs were assembled. However, unexpected variations of mechanical… read more here.
Keywords: magnetic head; positioning system; head positioning; system hdds ... See more keywords
Minimization of unobservable oscillation in repeatable run-out for magnetic-head positioning system of hard disk drives
Sign Up to like & getrecommendations! Published in 2017 at "Mechatronics"
DOI: 10.1016/j.mechatronics.2017.04.004
Abstract: Abstract A positioning control system for a magnetic head in hard disk drives (HDDs) is a sampled-data control system that has a sampler and a hold. As a result, the control system has unobservable oscillations… read more here.
Keywords: magnetic head; system; minimization; hard disk ... See more keywords
Using a Novel Floating Grinding Process to Improve the Surface Roughness Parameter of a Magnetic Head
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12162763
Abstract: This work concentrated on the improvement of the surface roughness of a magnetic head, through the use of an ultrafine nanodiamond slurry, and a novel floating grinding process, which optimize different experimental factors required for… read more here.
Keywords: grinding process; magnetic head; surface; roughness ... See more keywords