This article describes a general framework to generate linearized models of satellites with large flexible appendages. The obtained model is parameterized according to the tilt of flexible appendages and can be used to validate an attitude control system over a complete revolution of the appendage. Uncertainties on the characteristic parameters of each substructure can be easily considered by the proposed generic and systematic multibody modeling technique, leading to a minimal linear fractional transformation (LFT) model. The uncertainty block has a direct link with the physical parameters avoiding nonphysical parametric configurations. This approach is illustrated to analyze the attitude control system of a spacecraft fitted with a tiltable flexible solar panel. A very simple root locus allows the stability of the closed-loop system to be characterized for a complete revolution of the solar panel.
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Systems Control and
Flight Dynamics Department,
e-mail: nicolas.guy@onera.fr
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March 2014
Research-Article
Dynamic Modeling and Analysis of Spacecraft With Variable Tilt of Flexible Appendages
Nicolas Guy,
Systems Control and
Flight Dynamics Department,
e-mail: nicolas.guy@onera.fr
Nicolas Guy
ONERA Centre de Toulouse
,Systems Control and
Flight Dynamics Department,
Toulouse 31055
, France
e-mail: nicolas.guy@onera.fr
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Christelle Cumer,
Christelle Cumer
1
Research Scientist
Systems Control and
Flight Dynamics Department,
e-mail: christelle.cumer@onera.fr
ONERA Centre de Toulouse
,Systems Control and
Flight Dynamics Department,
Toulouse 31055
, France
e-mail: christelle.cumer@onera.fr
1Corresponding author.
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Catherine Charbonnel
Catherine Charbonnel
Research Engineer
e-mail: catherine.charbonnel@thalesaleniaspace.com
Thales Alenia Space
, DRT/SO,Cannes 06156
, France
e-mail: catherine.charbonnel@thalesaleniaspace.com
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Nicolas Guy
ONERA Centre de Toulouse
,Systems Control and
Flight Dynamics Department,
Toulouse 31055
, France
e-mail: nicolas.guy@onera.fr
Daniel Alazard
Christelle Cumer
Research Scientist
Systems Control and
Flight Dynamics Department,
e-mail: christelle.cumer@onera.fr
ONERA Centre de Toulouse
,Systems Control and
Flight Dynamics Department,
Toulouse 31055
, France
e-mail: christelle.cumer@onera.fr
Catherine Charbonnel
Research Engineer
e-mail: catherine.charbonnel@thalesaleniaspace.com
Thales Alenia Space
, DRT/SO,Cannes 06156
, France
e-mail: catherine.charbonnel@thalesaleniaspace.com
1Corresponding author.
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received June 26, 2012; final manuscript received November 7, 2013; published online January 9, 2014. Assoc. Editor: Evangelos Papadopoulos.
J. Dyn. Sys., Meas., Control. Mar 2014, 136(2): 021020 (10 pages)
Published Online: January 9, 2014
Article history
Received:
June 26, 2012
Revision Received:
November 7, 2013
Citation
Guy, N., Alazard, D., Cumer, C., and Charbonnel, C. (January 9, 2014). "Dynamic Modeling and Analysis of Spacecraft With Variable Tilt of Flexible Appendages." ASME. J. Dyn. Sys., Meas., Control. March 2014; 136(2): 021020. https://doi.org/10.1115/1.4025998
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