Name: Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation
Price: 30.99 EUR
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Author: Kvaternik, Raymond G. ; Nasa Technical Reports Server (Ntrs) ; Et Al
ISBN: 9781287260066

portada Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation

Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation

Type

Physical Book

Author

Nasa Technical Reports Server (Ntrs)

Raymond G. Kvaternik

Publisher

Bibliogov

Language

English

Pages

110

Format

Paperback

Dimensions

24.6 x 18.9 x 0.6 cm

Weight

0.21 kg.

ISBN13

9781287260066

Synopsis "Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation"

The results of numerical simulations aimed at assessing the efficacy of Generalized Predictive Control (GPC) for active gust load alleviation using trailing- and leading-edge control surfaces are presented. The equations underlying the method are presented and discussed, including system identification, calculation of control law matrices, and calculation of commands applied to the control effectors. Both embedded and explicit feedforward paths for inclusion of disturbance effects are addressed. Results from two types of simulations are shown. The first used a 3-DOF math model of a mass-spring-dashpot system subject to user-defined external disturbances. The second used open-loop data from a wind-tunnel test in which a wing model was excited by sinusoidal vertical gusts; closed-loop behavior was simulated in post-test calculations. Results obtained from these simulations have been decidedly positive. In particular, results of closed-loop simulations for the wing model showed reductions in root moments by factors as high as 1000, depending on whether the excitation is from a constant- or variable-frequency gust and on the direction of the response.

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Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation - Kvaternik, Raymond G. ; Nasa Technical Reports Server (Ntrs) ; Et Al

Synopsis "Exploratory Studies in Generalized Predictive Control for Active Gust Load Alleviation"

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