Eigenstructure Assignment Based Controllers Applied to Flexible Spacecraft

Crespo Moreno, Javier and Aranda Almansa, Joaquín (2011). Eigenstructure Assignment Based Controllers Applied to Flexible Spacecraft. "Journal of Aerospace Engineering", v. 225 (n. 6); pp. 709-720. ISSN 0893-1321. https://doi.org/10.1177/2041302510393027.

Description

Title: Eigenstructure Assignment Based Controllers Applied to Flexible Spacecraft
Author/s:
  • Crespo Moreno, Javier
  • Aranda Almansa, Joaquín
Item Type: Article
Título de Revista/Publicación: Journal of Aerospace Engineering
Date: June 2011
ISSN: 0893-1321
Volume: 225
Subjects:
Freetext Keywords: Eigenstructure Assignment; eigenvalue; eigenvector; robustness; flexible spacecraft.
Faculty: E.U.I.T. Aeronáutica (UPM)
Department: Infraestructura, Sistemas Aeroespaciales y Aeropuertos [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The objective of this paper is to evaluate the behaviour of a controller designed using a parametric Eigenstructure Assignment method and to evaluate its suitability for use in flexible spacecraft. The challenge of this objective lies in obtaining a suitable controller that is specifically designated to alleviate the deflections and vibrations suffered by external appendages in flexible spacecraft while performing attitude manoeuvres. One of the main problems in these vehicles is the mechanical cross-coupling that exists between the rigid and flexible parts of the spacecraft. Spacecraft with fine attitude pointing requirements need precise control of the mechanical coupling to avoid undesired attitude misalignment. In designing an attitude controller, it is necessary to consider the possible vibration of the solar panels and how it may influence the performance of the rest of the vehicle. The nonlinear mathematical model of a flexible spacecraft is considered a close approximation to the real system. During the process of controller evaluation, the design process has also been taken into account as a factor in assessing the robustness of the system.

More information

Item ID: 12383
DC Identifier: http://oa.upm.es/12383/
OAI Identifier: oai:oa.upm.es:12383
DOI: 10.1177/2041302510393027
Official URL: http://intl-pig.sagepub.com/content/225/6/709.short
Deposited by: Memoria Investigacion
Deposited on: 17 Aug 2012 11:29
Last Modified: 21 Apr 2016 11:38
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