Multi-objective Optimization of Subsonic Glider Wing Using Genetic Algorithm

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Ogedengbe I. I. 1 Akintunde M. A. 2 Dahunsi O. A. 1,* Bello E. I. 1 Bodunde P. 2

1. The Federal University of Technology, P.M.B. 704 Akure, Nigeria

2. Afe Babalola University, P.M.B. 5454 Ado-Ekiti, Nigeria

* Corresponding author.


Received: 18 Jul. 2021 / Revised: 10 Sep. 2021 / Accepted: 2 Oct. 2021 / Published: 8 Apr. 2022

Index Terms

Unmanned Aerial Vehicle, range, endurance, design of experiment, genetic optimization


The widespread adoption of Unmanned Aerial Vehicles (UAVs) can be traced to its flexibility and wide adaptability to various operating conditions and applications, comparably low cost of construction and maintenance and environmental friendliness as they can be easily configured for electric power. The use of electric power also favours its low noise applications such as surveillance. A major issue associated with surveillance, as addressed in this study is the compromise between Range and Endurance operation modes. The Range mode relates to being able to cover longer distances while the Endurance mode relates to spending longer times in the atmosphere for a fixed charge. Trying to balance the interplay of these parameters gave rise to a multi-objective optimization where the objectives are somewhat conflicting. This resulted in a set of Pareto solutions which are a set of design parameters (primarily angle of attack) that satisfy the joint requirements of the performance parameters of Range and Endurance. This study first considered a baseline aerodynamic design using traditional design methods. Design of Experiment techniques were then used to select the most favourable design points. This model was then used to build an input framework for Genetic Optimization algorithm deployed in the Global Optimization Toolbox of MATLAB. The result of this research shows that most of the region associated with medium angle of attack (AOA) setting (7 degrees) jointly satisfies good Range and Endurance performances with an average lift-to-drag ratio of 20 in the flight configuration considered. The implication of this result is that low velocity drag encountered in surveillance that requires a high AOA is largely reduced with the medium setting, albeit stabilized with other structural and aerodynamic settings, namely an aspect ratio of 13 and a taper ratio of 0.6.

Cite This Paper

Ogedengbe I. I., Akintunde M. A., Dahunsi O. A., Bello E. I.a, Bodunde P., "Multi-objective Optimization of Subsonic Glider Wing Using Genetic Algorithm", International Journal of Intelligent Systems and Applications(IJISA), Vol.14, No.2, pp.14-25, 2022. DOI: 10.5815/ijisa.2022.02.02


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