NDLI: Minimization of flexible cable settling PES in high TPI HDD via mechatronic integration

Content Provider	IEEE Xplore Digital Library
Author	Jen-Yuan Chang
Copyright Year	2009
Description	Author affiliation: Mechatronics and Manufacturing in the School of Engineering and Advanced Technology, Massey University, Auckland, New Zealand (Jen-Yuan Chang)
Abstract	This paper presents a modeling and design methodology to reduce and even to eliminate flexible ribbon cable seek-settling induced vibrations in modern high capacity computer disk drives. Optimization is first conducted in obtaining proper cable profiles when the rotary actuator swings across the disk using classical elastica theory with consideration of compliant boundary at its J-block conjunction point with rotary actuator and fixed boundary conditions at bracket. In addition to modal kinetic coupling factor, the cable's vibration modes are projected onto actuator voice coil's excitations to form as a weighted response factor to serve as the cost function in optimization process. It was found through the proposed process that the seek-settling flexible cable vibration can be minimized and even reduced to zero. Additional servo adaptive control format will be also discussed in this paper to totally eliminate the flexible ribbon vibrations in disk drive's seek-settling operations.
Starting Page	1
Ending Page	2
File Size	917202
Page Count	2
File Format	PDF
ISBN	9789810821913
DOI	10.1109/APMRC.2009.4925419
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-14
Publisher Place	Singapore
Access Restriction	Subscribed
Subject Keyword	Mechatronics Pneumatic actuators Design methodology Disk drives Boundary conditions Kinetic theory Communication cables Cost function Servomechanisms Adaptive control TMR Flex cable Seek Settling PES
Content Type	Text
Resource Type	Article

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Minimization of Flexible Cable Settling PES in High TPI Hard Disk Drives via Mechatronic Integration

Submicron-Scale Flexible Ribbon Cable Seek-Settling Induced Vibration Reduction in High Capacity Disk Drives

Actuator-flex cable energy harvester in computer hard disk drives

Alternation of Flex Cable Vibration Modes in High Precision Hard Disk Drives

PES reduction in magnetic disk drives via a low-TMR HGA and servo loop shaping

Track-following and seek/settle control schemes for high density disk drives with dual-stage actuators

Modeling and Analysis of Micro Hard Disk Drives

Feed-forward algorithms for time-optimal settling of hard disk drive servo systems

Adaptive near time-optimal seek control of a disk drive actuator

Minimization of flexible cable settling PES in high TPI HDD via mechatronic integration

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