Title :
4-D shock-sensing for hard-disk drives
Author_Institution :
Cirrus, Fremont, CA, USA
fDate :
9/1/1999 12:00:00 AM
Abstract :
There is a need for reliable and low-cost shock-sensing in magnetic hard-disk drives to maintain data integrity when a drive is subjected to external shocks. This paper describes a novel method that is both reliable and low-cost, using only the existing head preamp and data channel
Keywords :
disc drives; hard discs; least mean squares methods; servomechanisms; shock control; 4D shock-sensing technique; LMS algorithm; data channel; external shocks; head preamp channel; magnetic hard-disk drives; reliable low-cost shock-sensing; servo oversampling scheme; Costs; Electric shock; Error correction codes; Hard disks; Logic; Magnetic heads; Mechanical sensors; Servomechanisms; Vibrations; Writing;
Journal_Title :
Magnetics, IEEE Transactions on
