The main objective of this study is to propose a methodology for building a parametric linear model of flexible multibody systems (FMS) for control design. This new method uses a combined finite element (FE)–state-space approach based on component mode synthesis and a double-port approach. The proposed scheme offers the advantage of an automatic assembly of substructures, preserving the elastic dynamic behavior of the whole system. Substructures are connected following the double-port approach for considering the dynamic coupling among them, i.e., dynamic coupling is expressed through the transfer of accelerations and loads at the connection points. The proposed model allows the evaluation of arbitrary boundary conditions among substructures. In addition, parametric variations can be included in the model for integrated control/structure design purposes. The method can be applied to combinations of chainlike or/and starlike flexible systems, and it has been validated through its comparison with the assumed modes method (AMM) in the case of a rotatory spacecraft and with a nonlinear model of a two-link flexible arm.
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December 2016
Research-Article
Flexible Multibody System Linear Modeling for Control Using Component Modes Synthesis and Double-Port Approach
Jose Alvaro Perez,
Jose Alvaro Perez
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: jose-alvaro.perez_gonzalez@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: jose-alvaro.perez_gonzalez@onera.fr
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Daniel Alazard,
Daniel Alazard
Professor
System Dynamics and Control,
ISAE-SUPAERO Toulouse,
Toulouse 31055, France
e-mail: daniel.alazard@isae.fr
System Dynamics and Control,
ISAE-SUPAERO Toulouse,
Toulouse 31055, France
e-mail: daniel.alazard@isae.fr
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Thomas Loquen,
Thomas Loquen
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: thomas.loquen@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: thomas.loquen@onera.fr
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Christelle Cumer
Christelle Cumer
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: christelle.cumer@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: christelle.cumer@onera.fr
Search for other works by this author on:
Jose Alvaro Perez
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: jose-alvaro.perez_gonzalez@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: jose-alvaro.perez_gonzalez@onera.fr
Daniel Alazard
Professor
System Dynamics and Control,
ISAE-SUPAERO Toulouse,
Toulouse 31055, France
e-mail: daniel.alazard@isae.fr
System Dynamics and Control,
ISAE-SUPAERO Toulouse,
Toulouse 31055, France
e-mail: daniel.alazard@isae.fr
Thomas Loquen
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: thomas.loquen@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: thomas.loquen@onera.fr
Christelle Pittet
Christelle Cumer
Department of Flight Dynamics and Control,
ONERA Toulouse,
Toulouse 31055, France
e-mail: christelle.cumer@onera.fr
ONERA Toulouse,
Toulouse 31055, France
e-mail: christelle.cumer@onera.fr
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received July 23, 2015; final manuscript received June 29, 2016; published online August 17, 2016. Assoc. Editor: Tarunraj Singh.
J. Dyn. Sys., Meas., Control. Dec 2016, 138(12): 121004 (16 pages)
Published Online: August 17, 2016
Article history
Received:
July 23, 2015
Revised:
June 29, 2016
Citation
Perez, J. A., Alazard, D., Loquen, T., Pittet, C., and Cumer, C. (August 17, 2016). "Flexible Multibody System Linear Modeling for Control Using Component Modes Synthesis and Double-Port Approach." ASME. J. Dyn. Sys., Meas., Control. December 2016; 138(12): 121004. https://doi.org/10.1115/1.4034149
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