Mission optimisation and multi-disciplinary design of hybrid unmanned aerial systems (UAS) using advanced numerical techniques

Hung, Jane Y., Gonzalez, Luis F., Walker, Rodney A., & Periaux, Jacques (2009) Mission optimisation and multi-disciplinary design of hybrid unmanned aerial systems (UAS) using advanced numerical techniques. In 3rd Australasian Unmanned Air Vehicles Conference, 9-12 March 2009, Melbourne Convention Centre, Melbourne.

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This paper describes the theory and practical application of Hierarchical Asynchronous Parallel Multi-objective Evolutionary Algorithms (HAPMOEA) for mission optimisation of Unmanned Aerial Systems (UAS). Optimisation has emerged as a new discipline for UAS in recent years and most of the optimisation efforts are focused on the use of gradient-based techniques. One drawback of these methods is that they are mostly suitable when there is only one objective to be met with or when the objectives are differentiable. A real design or simulation will have more than one objective such as minimising fuel consumption, drag or time to complete the mission. It is usually the case that the problem is highly non-linear and non-differentiable. New techniques are required, and one of such techniques, even though computationally more intensive than gradient-based methods, are Evolutionary Algorithms (EAs). This paper describes an advanced EA methodology and its coupling with simulation analysis tools. Results will indicate the practicality and robustness of the method in finding optimal solutions and Pareto trade-offs between fuel consumption and time to complete the mission of a hybrid UAS by producing a set of non-dominated trajectories and mission from which the designer can choose.

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ID Code: 18865
Item Type: Conference Paper
Refereed: Yes
Keywords: Hybrid Unmanned Aerial Systems (UAS), Multi-Disciplinary Design and Simulation, Evolutionary Algorithms, Mission Optimisation
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AEROSPACE ENGINEERING (090100) > Aerospace Engineering not elsewhere classified (090199)
Divisions: Current > Research Centres > Australian Research Centre for Aerospace Automation
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2009 [please consult the authors]
Deposited On: 19 Mar 2009 02:19
Last Modified: 29 Feb 2012 14:21

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