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A requirements elicitation process for a purposeful general aviation (GA) aircraft design based on emerging economies

Published online by Cambridge University Press:  18 October 2021

A. Khandoker*
Affiliation:
Institute of Mechatronic Design & Production, Johannes Kepler University, Linz, Austria
M.A. Hamid
Affiliation:
East Surrey College, Redhill, UK
A.S. Shahriar
Affiliation:
Johannes Kepler University, Linz, Austria
A.T.S. Rahman
Affiliation:
Department of Aircraft Engineering, Nilai University, Nilai, Negeri Sembilan, Malaysia
G. Gessl
Affiliation:
Institute of Mechatronic Design & Production, Johannes Kepler University, Linz, Austria

Abstract

Design success mostly depends on understanding and realising product requirements, which are nested with different levels of stakeholders and specific market demands. Emerging markets are volatile and non-linear for understanding user-specific needs, particularly related to aircraft design. We attempt herein to elicit specific requirements through a proposed requirements elicitation process based on functional, physical and behavioural viewpoints. An evaluation of those critical requirements is also performed through Quality Function Deployment (QFD) to reveal the fitness of the customer requirements (raw requirements) in relation to the technical measures. After selecting all projected potential users, a Systems Modelling Language (SysML) use-case diagram is also summarised to illustrate the user’s relation to the system functions. Some raw requirements are verified through constraint analysis and cost examination as an exemplary approach to present the transformation from raw to final requirements. The data are collected and analysed to construct the aircraft’s key specifications. Most importantly, how to identify good requirements that define the needs, attainability, clarity and verifiability is demonstrated.

In addition, it is demonstrated through this study that there is a need of a specific type of general aviation aircraft that may fulfil the unique demands of emerging economies by satisfying their socio-economic conditions.

Type
Research Article
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of Royal Aeronautical Society

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