NDLI: LPV control design for precision motion systems

Content Provider	IEEE Xplore Digital Library
Author	Nanhu Chen Wen, J.T.
Copyright Year	2014
Description	Author affiliation: Manuf., Technol. & Eng. Div., Corning Inc., Corning, NY, USA (Nanhu Chen) \|\| Dept. of Electr., Comput., & Syst. Eng., Rensselaer Polytech. Inst., Troy, NY, USA (Wen, J.T.)
Abstract	Motion control for optical and manufacturing applications is becoming evermore demanding due to the constant drive to increase speed and precision. Linear system theory alone is often inadequate to meet the demanding requirements. Gain scheduling control design addresses system nonlinearity by using a family of linear time invariant (LTI) systems parameterized by the operating point. Instead of switching between local controllers, this paper proposes a method to construct a multi-input/multi-output (MIMO) controller with a Linear Parameter Varying (LPV) formulation around multiple operating points. The goal is to preserve good closed-loop performance in local linear neighborhood while tackling the nonlinear dynamics by suitably interpolating the local LTI controllers. The proposed approach is applied to the simulation and experiment of a two-degree-of-freedom fast steering mirrors. The system response matches well with the nonlinear system response in simulation for both small and large motion ranges. The closed-loop performance is further improved by input trajectory optimization for large-motion FSM steering, demonstrating the advantage of establishing such a global LPV controller.
Starting Page	4470
Ending Page	4475
File Size	268456
Page Count	6
File Format	PDF
ISBN	9781479932726
ISSN	07431619
e-ISBN	9781479932740
DOI	10.1109/ACC.2014.6859290
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Interpolation Mirrors Trajectory Dynamics Nonlinear dynamical systems Coils Control design Nonlinear systems Linear parameter-varying systems Mechatronics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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