Modeling and robust Body Freedom Flutter Analysis of flexible aircraft configurations

Iannelli, Andrea; Marcos, Andrés; Lowenberg, Mark H

doi:10.1109/cca.2016.7587843

Cited by 2 publications

(1 citation statement)

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“…One of the contributions of the paper, which expands the initial work contained in [7], is to propose a simplied modeling process which, starting from the typical section model, attains a suciently sophisticated mathematical description of the system to capture some of the most relevant aspects of both the restrained wing utter and the BFF. This framework is rst employed to perform (a nominal parametric) utter analysis of a representative wing-fuselage-tail exible aircraft conguration where variations in two meaningful parameters are considered.…”

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confidence: 99%

Study of Flexible Aircraft Body Freedom Flutter with Robustness Tools

Iannelli

Marcos

Lowenberg

2018

Journal of Guidance, Control, and Dynamics

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms Features that complicate its study are the presence of multiple modal instabilities, and the dierent inuence that system parameters have on each of them. The robust analysis framework based on Linear Fractional Transformation modeling and structured singular value µ analysis is used in this work to study the BFF problem in a systematic way. The analyses performed showcase the potential of these methods, not only in supplying a characterization of the system in terms of its robustness, but also in gaining further understanding of the BFF problem and reconciling the results with physical features. It is also shown that the robust modeling analysis framework complements the conventional, state of practice, methods while allowing the study of highly coupled systems (of which the exible aircraft is an example) to be addressed in an incremental and methodological manner.

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confidence: 99%