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Balancing the radar and long wavelength infrared signature properties in concept analysis of combat aircraft – A proof of concept
Saab AB, Linköping, Sweden; Linköpings Universitet, Sweden.
Swedish Defence University, Department of Military Studies, Military-Technology Division. Swedish Defence University, Department of Military Studies, Science of Command and Control and Military Technology Division, Military Technology Systems Section. National Defence University, Helsinki, Finland.
Försvarets Forskningsinstitut, FOI, Sweden; Linköping University, Linköping, Sweden.
2017 (English)In: Aerospace Science and Technology, ISSN 1270-9638, E-ISSN 1626-3219, Vol. 71, 733-741 p.Article in journal (Refereed) Published
Abstract [en]

Designing combat aircraft with high military effectiveness, affordability and military suitability requires balancing the efforts of many engineering disciplines during all phases of the development. One particular challenge is aircraft survivability, the aircraft's ability to avoid or withstand hostile actions. Signature management is one way of increasing the survivability by improving the ability to avoid detection. Here, the long-wave infrared and radar signatures are studied simultaneously in a mission context. By establishing a system of systems approach at mission system level, the risk of sub optimization at a technical level is greatly reduced. A relevant scenario is presented where the aim is to incapacitate an air-defense system using three different tactics: A low-altitude cruise missile option, a low and medium altitude combat aircraft option. The technical sub-models, i.e. the properties of the signatures, the weapons and the sensors are modeled to a level suitable for early concept development. The results from the scenario simulations are useful for a relative comparison of properties. Depending on the situation, first detection is made by either radar or infrared sensors. Although the modeling is basic, the complexity of the infrared signature and detection chain is demonstrated and possible pivot points for the balancing of radar and IR signature requirements are identified. The evaluation methodology can be used for qualitative evaluation of aircraft concepts at different design phases, provided that the technical models are adapted to a suitable level of detail.

Place, publisher, year, edition, pages
2017. Vol. 71, 733-741 p.
Keyword [en]
Radar, Infrared, Signatures, Scenario, Evaluation
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
Militärteknik
Identifiers
URN: urn:nbn:se:fhs:diva-7098DOI: 10.1016/j.ast.2017.10.022OAI: oai:DiVA.org:fhs-7098DiVA: diva2:1156200
Available from: 2017-11-10 Created: 2017-11-10 Last updated: 2017-11-16Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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