Date of Award

Fall 1990

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Mechanical & Aerospace Engineering

Program/Concentration

Engineering Mechanics

Committee Director

Meng Sang Chew

Committee Member

Gene W. Hou

Committee Member

Jer-Nan Juang

Call Number for Print

Special Collections; LD4331.E57W55

Abstract

Two suspension systems which effectively simulate a gravity-free environment are presented. A single degree-of-freedom suspension system utilizing a specially profiled band mechanism in conjunction with a torsional spring is presented to show its feasibility and applicability for use as a ground-based testing device for flexible space structures. The second device, a two degree-of-freedom suspension system consisting of two springs and a folding linkage is presented to show the feasibility as a testing device for suspending space structures on earth.

Problems resulting in unwanted dynamic behavior due to deviations from the design parameters for both systems are addressed. A nonlinear controller for the single degree-of-freedom suspension system is designed to remove these errors, whereas the errors in the two degree-of-freedom system are removed by changing the spring attachment points.

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DOI

10.25777/k9xc-tg38

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