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Fuzzy Logic-Based Aerodynamic Modeling with Continuous Differentiability
Author
Source
Mathematical Problems in Engineering
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-06-05
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
This paper presents a modeling method based on a fuzzy-logic algorithm to establish aerodynamic models by using the datasets from flight data recorder (FDR).
The fuzzy-logic aerodynamic models are utilized to estimate more accurately the nonlinear unsteady aerodynamics for a transport aircraft, including the effects of atmospheric turbulence.
The main objective in this paper is to present the model development and the resulting models with continuous differentiability.
The uncertainty and correlation of the data points are estimated and improved by monitoring a multivariable correlation coefficient in the modeling process.
The latter is increased by applying a least square method to a set of data points to train a set of modeling coefficients.
A commercial transport aircraft encountered severe atmospheric turbulence twice at transonic flight in descending phase is the study case in the present paper.
The robustness and nonlinear interpolation capability of the fuzzy-logic algorithm are demonstrated in predicting the degradation in performance and stability characteristics of this transport in severe atmospheric turbulence with sudden plunging motion.
American Psychological Association (APA)
Chang, Ray C.. 2013. Fuzzy Logic-Based Aerodynamic Modeling with Continuous Differentiability. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-14.
https://search.emarefa.net/detail/BIM-1010081
Modern Language Association (MLA)
Chang, Ray C.. Fuzzy Logic-Based Aerodynamic Modeling with Continuous Differentiability. Mathematical Problems in Engineering No. 2013 (2013), pp.1-14.
https://search.emarefa.net/detail/BIM-1010081
American Medical Association (AMA)
Chang, Ray C.. Fuzzy Logic-Based Aerodynamic Modeling with Continuous Differentiability. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-14.
https://search.emarefa.net/detail/BIM-1010081
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1010081