Comparison of the LQG and H-infinity techniques to design experimentally a flexible satellite attitude control system.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCastro, João Carlos Vilela de-
Autor(es): dc.creatorSouza, Luiz Carlos Gadelha de-
Data de aceite: dc.date.accessioned2019-11-06T13:34:44Z-
Data de disponibilização: dc.date.available2019-11-06T13:34:44Z-
Data de envio: dc.date.issued2015-05-25-
Data de envio: dc.date.issued2015-05-25-
Data de envio: dc.date.issued2010-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/5484-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/558550-
Descrição: dc.descriptionAttitude Control System (ACS) for flexible space satellites demands great reliability, autonomy and robustness. These flexible structures face low stiffness due to minimal mass weight requirements. Satellite ACS design usually based on computer simulations without experimental verification can face instability and/or inefficient controller performance due to model uncertainties. In this paper one investigates the robustness and performance of the time domain approach LQG (Lineal Quadratic Gaussian) and the frequency domain H–Infinity approach. The satellite ACS design is performed initially in a computer simulation environment, following experimentally verification of the same control algorithm, using Quanser rotary flexible link module. This investigation has shown that the controller performance based on simulation model can be degraded when applied in an experimental set up. So this prototype verification is fundamental before satellite onboard computer algorithms implementation.-
Idioma: dc.languageen-
Direitos: dc.rightsThe papers published by Journal of Aerospace Technology and Management (JATM) are licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. Fonte: Journal of Aerospace Technology and Management (JATM) < http://www.jatm.com.br/ojs/index.php/jatm/about/submissions#copyrightNotice>. Acesso em: 23 abr. 2015.-
Título: dc.titleComparison of the LQG and H-infinity techniques to design experimentally a flexible satellite attitude control system.-
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