Stabilization of a platform under wind loads |
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Authors: | V V Alexandrov B Ya Lokshin L Gomez Esparza H A Salazar Ibargüen |
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Institution: | (1) Department of Mathematics and Mechanics, Lomonosov Moscow State University, Russia;(2) Institute of Mechanics of Lomonosov Moscow State University, Russia;(3) Facultad Fisico-Matematicas S/N Avenida San Claudio Universidad Autonoma de Puebla, C.P. 72570, Puebla, Pue. Mexico |
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Abstract: | The Steward platform is employed in dynamic simulation 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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Translated from Fundamentalnaya i Prikladnaya Matematika, Vol. 11, No. 7, pp. 97–115, 2005. |
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