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Mathematical Problems in Engineering
Volume 2016, Article ID 7345056, 12 pages
http://dx.doi.org/10.1155/2016/7345056
Research Article

Adaptive Disturbance Rejection Control for Automatic Carrier Landing System

College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China

Received 27 March 2016; Revised 25 June 2016; Accepted 5 July 2016

Academic Editor: Jean J. Loiseau

Copyright © 2016 Xin Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

An adaptive disturbance rejection algorithm is proposed for carrier landing system in the final-approach. The carrier-based aircraft dynamics and the linearized longitudinal model under turbulence conditions in the final-approach are analyzed. A stable adaptive control scheme is developed based on LDU decomposition of the high-frequency gain matrix, which ensures closed-loop stability and asymptotic output tracking. Finally, simulation studies of a linearized longitudinal-directional dynamics model are conducted to demonstrate the performance of the adaptive scheme.