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Mathematical Problems in Engineering
Volume 2017, Article ID 1409829, 8 pages
Research Article

Optimization Plug Mode of External Fuel and Weapons for Less Changing Aircraft Center of Gravity

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

Correspondence should be addressed to Mingxu Yi; moc.361@88uxgnimiy

Received 13 January 2017; Revised 14 March 2017; Accepted 20 April 2017; Published 18 June 2017

Academic Editor: Ilhan Tuzcu

Copyright © 2017 Zeyang Zhou 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.


To achieve the minimum change of aircraft center of gravity, plug mode optimization was carried out. Plug mode, including weight and position of external fuel and weapon load, was selected as design mode. Numerical model for calculating aircraft center of gravity was established and used to generate mode samples. Random search algorithm (RSA) was designed and applied for solving the optimization plug mode, and the precise solution of plug mode was determined by full array method (FAM). Compared with typical plug mode, the optimization mode can reach a minimum change in aircraft center of gravity with fewer samples than the solution by FAM. RSA coupled with FAM is an effective scheme for the optimization of aircraft plug mode.