Modeling and Control of a Deformable Mirror-Reference-Cited by-同舟云学术

Modeling and Control of a Deformable Mirror

Published:2002-05-10 Issue:2 Volume:124 Page:297-302
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Winters S. E.¹,Chung J. H.²,Velinsky S. A.³

Affiliation:

1. Department of Mechanical Engineering, Lawrence Livermore National Laboratory, Livermore, CA 94550

2. Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030

3. Department of Mechanical and Aeronautical Engineering, University of California at Davis, Davis, CA 95616

Abstract

A multi-input multi-output surface shape control system model is developed to study wavefront aberration correction. The plant model represents a deformable mirror and utilizes a finite element model that is validated using an actual prototype deformable mirror and an interferometer system. The sensor model is based on a Shack-Hartmann sensor, and the controller model is based on a least squares approach. The control system model is used to compare an available Gaussian model with the validated finite element model. Results clearly show the efficacy of the approach and the superiority of the finite element based method. The control approach is expected to be implemented on the adaptive optics system of the National Ignition Facility.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/124/2/297/5503848/297_1.pdf

Reference23 articles.

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