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Evaluating the energy balance of high altitude platforms at early design stages
KTH.
2016 (English)In: 2016 International Conference on Unmanned Aircraft Systems, ICUAS 2016, Institute of Electrical and Electronics Engineers (IEEE), 2016, 170-177 p., 7502577Conference paper, Published paper (Refereed)
Abstract [en]

High altitude platforms, also known as pseudo-satellites, are envisioned as unmanned aircraft flying at altitudes above 15 km to provide observation, remote sensing or communication services. A challenging yet recurring requirement for such aicraft is to be able to perform long-endurance missions over multiple days or even weeks. A sophisticated onboard energy management system including solar panels and batteries is needed to achieve this. The energy balance of such an aircraft depends on many factors which should be considered in the design process. In this work, we propose a systematic approach to evaluate the energy balance of high altitude platform designs for specific mission scenarios. This approach can be employed at very early design stages and incrementally extended to follow the design process. We demonstrate the methodology with an exemplary parameter study for a generic fixed-wing aircraft. In particular, the impact and correlations of the mission latitude, wind conditions, flight trajectory optimization, sizing of the platform and solar panel coverage of the main wing was evaluated. A key result is that battery mass can be reduced significantly, especially for missions at high latitudes, by optimizing the holding pattern that is flown throughout the mission or by increasing the solar panel coverage. Generally, the results indicate that the method allows to evaluate mission-specific effects on the energy balance of high altitude platforms.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. 170-177 p., 7502577
Series
International Conference on Unmanned Aircraft Systems, ISSN 2373-6720
Keyword [en]
High Altitude Platforms, Solar Powered Aircraft, Unmanned Aircraft Design, Aircraft, Aircraft communication, Broadband networks, Channel coding, Communication satellites, Design, Electric batteries, Energy balance, Energy management systems, Fixed wings, Remote sensing, Solar cell arrays, Solar concentrators, Solar energy, Unmanned aerial vehicles (UAV), Communication service, Early design stages, Flight trajectory, High altitude platform, Parameter studies, Pseudo satellites, Solar-powered aircrafts, Unmanned aircrafts, Fighter aircraft
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-197201DOI: 10.1109/ICUAS.2016.7502577ISI: 000390883100021Scopus ID: 2-s2.0-84979734804ISBN: 9781467393331 (print)OAI: oai:DiVA.org:kth-197201DiVA: diva2:1055413
Conference
2016 International Conference on Unmanned Aircraft Systems, ICUAS 2016, Key Bridge Marriott Arlington, United States, 7 June 2016 through 10 June 2016
Note

QC 20161212

Available from: 2016-12-12 Created: 2016-11-30 Last updated: 2017-01-31Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • nn-NO
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More languages
Output format
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  • asciidoc
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