Geodesic
Stabilization of a platform under wind loads
Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 7, pp. 97-115 
V. V. Aleksandrov; B. Ya. Lokshin; L. Gomez Esparza; H. A. Salazar Ibarguen. Stabilization of a platform under wind loads. Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 7, pp. 97-115. http://geodesic.mathdoc.fr/item/FPM_2005_11_7_a8/
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     author = {V. V. Aleksandrov and B. Ya. Lokshin and L. Gomez Esparza and H. A. Salazar Ibarguen},
     title = {Stabilization of a~platform under wind loads},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
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     year = {2005},
     volume = {11},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_7_a8/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The Steward platform is employed in dynamic imitation of a number of controlled mechanical systems, in control of the active surface of a telescope mirror, and other constructions. Position and orientation of this platform is regulated by changing the lengths of its supporting bars, and corresponding change of their angles relative to the base. Viable motions of the platform depend on how the bars are hinged to the base and to the platform. This paper studies dynamics and stabilization of a platform leaning on three bars of controlled length under wind loads. This problem is of interest for design of active mirror surfaces of radio telescopes.

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