A Method to Support the Requirements Trade-Off of Integrated Vehicle Health Management for Unmanned Aerial Systems

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dc.contributor.advisorFan, Ip-Shing
dc.contributor.advisorLawson, C. P.
dc.contributor.authorHeaton, Andrew Edward
dc.date.accessioned2015-07-03T10:33:19Z
dc.date.available2015-07-03T10:33:19Z
dc.date.issued2014-07
dc.description.abstracthe digital revolution in the latter part of the twentieth century has resulted in the increased use and development of Cyber-Physical Systems. Two of which are Unmanned Aerial Systems (UAS) and Integrated Vehicle Health Management (IVHM). Both are relatively new areas of interest to academia, military, and commercial organisations. Designing IVHM for a UAS is no easy task – the complexity inherent in UAS, with projects involving multiple partners/organisations; multiple stakeholders are also interested in the IVHM. IVHM needs to justify itself throughout the life of the UAS, and the lack of established knowledge makes it hard to know where to start. The establishment and analysis of requirements for IVHM on UAS is known to be important and costly – and for IVHM a complex one. There are multiple stakeholders to satisfy and ultimately the needs of the customer, all demanding different things from the IVHM, and with limited resources they need to be prioritised. There are also many hindrances to this: differences in language between stakeholders, customers failing to see the benefits, scheduling conflicts, no operational data. The contribution to knowledge in this thesis is the IVHM Requirements Deployment (IVHM-RD) – a method for a designer of UAS IVHM to build a tool which can consolidate and evaluate the various stakeholder’s requirements. When the tool is subsequently populated with knowledge from individual Subject Matter Experts (SMEs), it provides a prioritised set of IVHM requirements. The IVHM-RD has been tested on two design cases and generalised for the use with other designs. Analysis of the process has been conducted and in addition the results of the design cases have been analysed in three ways: how the results relate to each design case, comparison between the two cases, and how much the relationships between requirements are understood. A validation exercise has also been conducted to establish the legitimacy of the IVHM-RD process. This research is likely to have an impact on the elicitation and analysis of IVHM requirements for UAS – and the wider design process of IVHM. The IVHM-RD process should also prove of use to designers of IVHM on other assets. The populations of the design cases also provide information which could be useful to other designer and future research.en_UK
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/9297
dc.language.isoenen_UK
dc.publisherCranfield Universityen_UK
dc.rights© Cranfield University 2014. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright owner.en_UK
dc.subjectIntegrated Vehicle Health Managementen_UK
dc.subjectIVHMen_UK
dc.subjectUnmanned Aerial Systemsen_UK
dc.subjectUASen_UK
dc.subjectDesignen_UK
dc.subjectRequirements Analysisen_UK
dc.subjectStakeholdersen_UK
dc.titleA Method to Support the Requirements Trade-Off of Integrated Vehicle Health Management for Unmanned Aerial Systemsen_UK
dc.typeThesis or dissertationen_UK
dc.type.qualificationlevelDoctoralen_UK
dc.type.qualificationnamePhDen_UK

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PhD, EngD, MPhil and MSc by research theses (SAS)