NONLINEAR AERODYNAMIC GLOBAL MODEL IDENTIFICATION USING GRAM-SCHMIDT ORTHOGONALIZATION

Shaik Ismail; Jatinder Singh

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NONLINEAR AERODYNAMIC GLOBAL MODEL IDENTIFICATION USING GRAM-SCHMIDT ORTHOGONALIZATION

机译：基于格-施密特正交化的非线性航空动力学全局模型识别

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This paper discusses a simple technique to identify global models for nonlinear aerodynamic force and moment coefficients of aircraft using multivariate orthogonal functions. Classical Gram-Schmidt procedure and Predicted Squared Error metric are used to generate the orthogonal functions. Global models for the F-16 aircraft are identified from a simplified subsonic (Mach < 0.6) wind tunnel database available in open literature. The identified models are compared with those found in literaturefor the same wind tunnel database and conclusions are drawn.

机译：本文讨论了一种使用多元正交函数识别飞机非线性气动力和力矩系数的全局模型的简单技术。经典的Gram-Schmidt过程和“预测平方误差”度量用于生成正交函数。 F-16飞机的全球模型是通过开放文献中提供的简化的亚音速（马赫<0.6）风洞数据库确定的。将确定的模型与文献中相同风洞数据库的模型进行比较，并得出结论。

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来源
《Journal of Aerospace Sciences and Technologies》 |2005年第4期|p.392-400|共9页
作者
Shaik Ismail; Jatinder Singh;
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作者单位

Flight Mechanics and Control Division, National Aerospace Laboratories, Post Box No. 1779, Bangalore-560 017, India;

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原文格式 PDF
正文语种 eng
中图分类航天（宇宙航行）;
关键词
global model; aerodynamic coefficients; orthogonal functions; multivariate polynomials; predicted squared error; gram-schmidt method;

机译：全局模型;空气动力学系数;正交函数;多元多项式;预测平方误差;gram-schmidt方法;

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4. Global nonlinear aerodynamic model identification based on NARMAX model [C] . Hui Xia, Xianyu Meng, Qingwei Chen 2010 International Conference on Computer Application and System Modeling . 2010

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5. Estimation of nonlinear aerodynamic roll models for the identification of uncommanded rolling motions. [D] . Bianchi, Silvia. 2005

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6. Identification of nonlinear-nonlinear neuron models and stimulus decoding [O] . Aurel A Lazar, Yevgeniy B Slutskiy 2013

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7. Nonlinear aerodynamic global model indentification using Gram-Schmidt orthogonalisation13; [O] . Ismail Shaik, Singh Jatinder 2005

机译：使用Gram-Schmidt正交化的非线性空气动力学全局模型识别13;

NONLINEAR AERODYNAMIC GLOBAL MODEL IDENTIFICATION USING GRAM-SCHMIDT ORTHOGONALIZATION

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