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008200221s1975    onca    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
0861 |aCo24-446/1975E-PDF
1001 |aHughes, P. C. |q(Peter Carlisle), |d1940- |eauthor.
24510|aPseudo-rate control of very flexible communications satellites / |cby P.C. Hughes, T.M. Abdel-Ramen.
264 1|a[Ottawa] : |b[Department of Communications], |c1975.
300 |a1 online resource (32 pages, 7 unnumbered pages) : |billustrations
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
500 |a"June, 1975."
500 |a"Final technical report, contract 0/SU-36100-4-0285."
500 |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada].
500 |aSome pages rotated in this copy.
504 |aIncludes bibliographical references (pages 26-32).
520 |a"This report is concerned with the investigation of pseudo-rate control of very flexible satellites. It is particularly applicable to communications satellites because of their high power demands. The nondimensional equations are first derived in Section 2, then general design considerations including practical choices of system parameters are carried out in Section 3. Equations that reveal the effects of the flexibility parameters on the switching conditions of the controller are derived in Section 4. The results obtained show in a qualitative manner how the interaction increases as the flexible appendage grows, as the unconstrained natural frequency decreases, as the damping factor decreases, and as the excitation increases. The effect of structural flexibility on fuel consumption and stability is then investigated in Sections 5 and 6"--Summary.
530 |aIssued also in print format.
650 0|aArtificial satellites|xAttitude control systems.
650 0|aArtificial satellites in telecommunication.
650 0|aFlexible structures.
650 6|aSatellites artificiels|xSystèmes de commande d'orientation.
650 6|aSatellites artificiels dans les télécommunications.
650 6|aStructures flexibles.
7101 |aCanada. |bDepartment of Communications.
7102 |aUniversity of Toronto. |bInstitute for Aerospace Studies.
85640|qPDF|s3.68 MB|uhttps://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-446-1975-eng.pdf