Nonlinear aeroelastic control of very flexible aircraft using model updating

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Title: Nonlinear aeroelastic control of very flexible aircraft using model updating
Authors: Wang, Y
Wynn, A
Palacios, R
Item Type: Journal Article
Abstract: A nonlinear modeling strategy is introduced to drive online optimization-based controllers for trajectory tracking and stabilization of very flexible aircraft. This is achieved thanks to a compact residualized modal projection of the aeroelastic equations of motion, including large (geometrically nonlinear) wing deflections, that is used to describe the vehicle dynamics. This study shows that a model-predictive control system can then be built with an internal model based on successive linearization of the equations of motion around the instantaneous vehicle geometry. Significant improvements in stability against large disturbances and maneuverability are demonstrated on numerical simulations of a very flexible flying wing when geometrically nonlinear effects are included in the internal model of the controller.
Issue Date: 1-Jul-2018
Date of Acceptance: 17-Nov-2017
ISSN: 0021-8669
Publisher: American Institute of Aeronautics and Astronautics
Start Page: 1551
End Page: 1563
Journal / Book Title: Journal of Aircraft
Volume: 55
Issue: 4
Copyright Statement: © 2017 by Yinan Wang, Andrew Wynn, and Rafael Palacios. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. All requests for copying and permission to reprint should be submitted to CCC at; employ the ISSN 0021-8669 (print) or 1533-3868 (online) to initiate your request. See also AIAA Rights and Permissions
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: AESZ_P59906
Keywords: 09 Engineering
Aerospace & Aeronautics
Publication Status: Published
Online Publication Date: 2017-12-28
Appears in Collections:Faculty of Engineering

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