NDLI: Adaptive control for disk file actuators

Content Provider	IEEE Xplore Digital Library
Author	Horowitz, R. Bo Li
Copyright Year	1995
Description	Author affiliation: Dept. of Mech. Eng., California Univ., Berkeley, CA, USA (Horowitz, R.; Bo Li)
Abstract	This paper discusses the design and experimental verification of a new direct adaptive control scheme for disk file track-following servo systems. The adaptive controller acts as an add-on compensator to an existing fixed compensator, which stabilizes the feedback system. The control objective is to minimize the frequency weighted variance of the tracking position error signal in the presence of external random vibrations. The proposed adaptive control scheme was implemented on a TMS320C30 DSP board, and was tested on two different disk drives. The drives were subjected to stochastic input disturbances or random vibrations. Simulation and experimental results are in close agreement and show that the proposed adaptive scheme significantly improves the error rejection capabilities of the control system, without significantly increasing its bandwidth nor decreasing its open loop stability margins.
Starting Page	655
Ending Page	660
File Size	620578
Page Count	6
File Format	PDF
ISBN	0780326857
ISSN	01912216
DOI	10.1109/CDC.1995.478987
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-12-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive control Actuators Programmable control Error correction Servomechanisms Adaptive systems Control systems Feedback Frequency Vibration control
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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