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Possibility-Based Multidisciplinary Optimisation For Electric-Powered Unmanned Aerial Vehicle Design

Published online by Cambridge University Press:  27 January 2016

N. V. Nguyen ,
J.-W. Lee ,
M. Tyan  and
D. Lee
N. V. Nguyen*
Affiliation:
Aerospace Information Engineering, Konkuk University, Seoul, South Korea
J.-W. Lee*
Affiliation:
Aerospace Information Engineering, Konkuk University, Seoul, South Korea
M. Tyan
Affiliation:
Aerospace Information Engineering, Konkuk University, Seoul, South Korea
D. Lee
Affiliation:
Lig Nex1, PGM R&D Center, South Korea
*
[email protected]
[email protected]
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Abstract

This paper describes a possibility-based multidisciplinary optimisation for electric-powered unmanned aerial vehicles (UAVs) design. An in-house integrated UAV (iUAV) analysis program that uses an electric-powered motor was developed and validated by a Predator A configuration for aerodynamics, weight, and performance parameters. An electric-powered propulsion system was proposed to replace a piston engine and fuel with an electric motor, power controllers, and battery from an eco-system point of view. Moreover, an in-house Possibility-Based Design Optimisation (iPBDO) solver was researched and developed to effectively handle uncertainty variables and parameters and to further shift constraints into a feasible design space. A sensitivity analysis was performed to reduce the dimensions of design variables and the computational load during the iPBDO process. Maximising the electric-powered UAV endurance while solving the iPBDO yields more conservative, but more reliable, optimal UAV configuration results than the traditional deterministic optimisation approach. A high fidelity analysis was used to demonstrate the effectiveness of the process by verifying the accuracy of the optimal electric-powered UAV configuration at two possibility index values and a baseline.

Type
Research Article
Information
The Aeronautical Journal , Volume 119 , Issue 1221 , November 2015 , pp. 1397 - 1414
Copyright
Copyright © Royal Aeronautical Society 2015

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