Vibration modeling of hard disk drive components

In this project, modal analysis was conducted to characterize the actuator in terms of dynamics performance. In a typical hard disk drive, the actuator is widely used to read and write data on the platter. Since the actuator has the read/write heads on its tip of very end, and the distance between p...

Full description

Saved in:
Bibliographic Details
Main Author: Cheng, Tian.
Other Authors: Lin Rongming
Format: Final Year Project
Language:English
Published: 2010
Subjects:
Online Access:http://hdl.handle.net/10356/20780
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-20780
record_format dspace
spelling sg-ntu-dr.10356-207802023-03-04T18:34:32Z Vibration modeling of hard disk drive components Cheng, Tian. Lin Rongming School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics In this project, modal analysis was conducted to characterize the actuator in terms of dynamics performance. In a typical hard disk drive, the actuator is widely used to read and write data on the platter. Since the actuator has the read/write heads on its tip of very end, and the distance between platter surface and slider head is too narrow, thus it is very important to know at which frequency the actuator will start to sway off the track duo to its vibration during whole system in operation. Actually, position accuracy of actuator head can be control by the servo bandwidth. Higher servo bandwidth will enhance the position accuracy of actuator head. However, servo bandwidth is limit by the resonant frequency of actuator. Vibration modeling of hard disk drives components (actuator assembly) is this project title, the emphasis of this project is focus on increasing the natural frequency of ‘Butterfly mode”, which is one kind of actuator head shape deformation caused track damage. Thereby, the servo bandwidth can reach higher level. And also, the position accuracy of actuator head can be improved in same time. Bachelor of Engineering (Mechanical Engineering) 2010-01-08T04:30:35Z 2010-01-08T04:30:35Z 2009 2009 Final Year Project (FYP) http://hdl.handle.net/10356/20780 en Nanyang Technological University 91 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics
spellingShingle DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics
Cheng, Tian.
Vibration modeling of hard disk drive components
description In this project, modal analysis was conducted to characterize the actuator in terms of dynamics performance. In a typical hard disk drive, the actuator is widely used to read and write data on the platter. Since the actuator has the read/write heads on its tip of very end, and the distance between platter surface and slider head is too narrow, thus it is very important to know at which frequency the actuator will start to sway off the track duo to its vibration during whole system in operation. Actually, position accuracy of actuator head can be control by the servo bandwidth. Higher servo bandwidth will enhance the position accuracy of actuator head. However, servo bandwidth is limit by the resonant frequency of actuator. Vibration modeling of hard disk drives components (actuator assembly) is this project title, the emphasis of this project is focus on increasing the natural frequency of ‘Butterfly mode”, which is one kind of actuator head shape deformation caused track damage. Thereby, the servo bandwidth can reach higher level. And also, the position accuracy of actuator head can be improved in same time.
author2 Lin Rongming
author_facet Lin Rongming
Cheng, Tian.
format Final Year Project
author Cheng, Tian.
author_sort Cheng, Tian.
title Vibration modeling of hard disk drive components
title_short Vibration modeling of hard disk drive components
title_full Vibration modeling of hard disk drive components
title_fullStr Vibration modeling of hard disk drive components
title_full_unstemmed Vibration modeling of hard disk drive components
title_sort vibration modeling of hard disk drive components
publishDate 2010
url http://hdl.handle.net/10356/20780
_version_ 1759856953170853888