NDLI: Variable gain motion control for transient performance improvement

Content Provider	IEEE Xplore Digital Library
Author	Hunnekens, B.G.B. van de Wouw, N. Nijmeijer, H.
Copyright Year	2012
Description	Author affiliation: Dept. of Mech. Eng., Eindhoven Univ. of Technol., Eindhoven, Netherlands (Hunnekens, B.G.B.; van de Wouw, N.; Nijmeijer, H.)
Abstract	In this paper, we introduce variable gain controllers for linear motion systems designed to improve transient performance. In particular, we focus on the well-known tradeoff induced by integral action, which removes steady-state errors due to constant external disturbances, but deteriorates transient performance in terms of increased overshoot. We propose a switched integral controller (SIC) and a variable gain integral controller (VGIC), which both limit the integral action if the error exceeds a certain threshold and balance this tradeoff in a more desirable manner. The resulting nonlinear controller structure consist of, on the one hand, loop-shaped linear controllers, and on the other hand, the variable gain element. This structure makes the design and tuning of the variable gain controller intuitive for motion control engineers. The results are illustrated by application of the VGIC and SIC to an experimental set-up.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	2467
Ending Page	2472
File Size	383695
Page Count	6
File Format	PDF
ISBN	9781457710957
ISSN	07431619
e-ISBN	9781457710964
e-ISBN	9781467321020
DOI	10.1109/ACC.2012.6314765
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Silicon carbide Gain Steady-state Transient analysis Switches Asymptotic stability
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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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