Cart (Loading....) | Create Account
Close category search window
 

Design of the Tracking Controller for Holographic Digital Data Storage

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Choong Woo Lee ; Div. of Electr. & Comput. Eng., Hanyang Univ., Seoul, South Korea ; Bong Sik Kwak ; Chung Choo Chung ; Tomizuka, M.

In this paper, we present a new tracking control method for holographic digital data storage systems. Holographic data storage systems that use disk media need a different tracking method from those that use optical and hard disk drives. Here, we present the design and implementation of the controller. Due to the intermittent characteristics of the tracking error signal (TES), the tracking controller is designed to regulate the tracking error only while valid TES is generated. Since the valid TES appears intermittently, we use a feedforward controller while the TES is not valid. Furthermore, the feedback control and the feedforward control are mode-switched depending on the RF sum signal level. We also show the stability of the closed-loop system employing the mode-switching controller. Experimental results show the effectiveness of the proposed tracking control algorithm. For a ??100 ??m repeatable run out at 1 Hz, we were able to reduce the TES to 3.13 ??m (1??) with mode-switching control.

Published in:

Mechatronics, IEEE/ASME Transactions on  (Volume:15 ,  Issue: 2 )

Date of Publication:

April 2010

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.