Experimental Demonstration of Precision Control of a Deployable Optics Structure-Reference-Cited by-同舟云学术

Experimental Demonstration of Precision Control of a Deployable Optics Structure

Published:2002-06-12 Issue:3 Volume:124 Page:441-450
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

Erwin R. Scott¹,Schrader Karl²,Moser Ruth L.¹,Griffin Steven F.²

Affiliation:

1. Air Force Research Laboratory, 3550 Aberdeen Avenue, Kirtland AFB, NM 87117

2. Boeing-SVS, Inc., Albuquerque, NM 87117

Abstract

This paper presents the development, design, and implementation of a precision control system for a large, sparse-aperture space-deployable telescope testbed. Aspects of the testbed and laboratory environment relevant to nanometer-level control and performance objectives are provided. There are four main objectives of the control system: 1) reduction of natural resonances of the supporting structure, 2) rejection of tonal disturbances, 3) tip, tilt, and piston set-point tracking for optical surfaces, and 4) reduction in settling time of optical surfaces after an impulsive slew-type disturbance. The development of a three-input, three-output, high-bandwidth structural control system for the testbed is presented, and experimental data demonstrating that all objectives were attained is provided. The paper concludes with a discussion of the results and a description of research issues remaining to be addressed.

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/124/3/441/5827391/441_1.pdf

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