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Autonomous UCAV Strike Missions using Behavior Control Lyapunov Functions
Swedish Defence Research Agency (FOI).ORCID iD: 0000-0002-7714-928X
Swedish Defence Research Agency (FOI).
Swedish Air Force, Air Combat School .
Swedish Defence Research Agency (FOI).
Show others and affiliations
2006 (English)Conference paper, Published paper (Refereed)
Abstract [en]

An autonomous Unmanned Combat Aerial Vehicle (UCAV) carrying out a surveillance or strike mission must be able to handle situations where the different mission objectives are in conflict and a tradeoff must be made, e.g. when the time of arrival is in conflict with the prescribed safety distance to an enemy surface to air missile (SAM) site. This paper describes a framework called Behavior Control Lyapunov Functions (BCLF), to handle such tradeoffs. The framework combines the natural idea of different control behaviors for different mission objectives, suggested in the Behavior Based robotics approach, with the mathematical transparency of Control Lyapunov Functions (CLF) from control theory. First, each behavior is represented by a scalar function with certain CLF-like properties, describing to what extent that mission objective is satisfied. The operator then edits a priority table reflecting the order of importance between different objectives, as well as different levels of satisfaction. Based on the table and the current levels of satisfaction the algorithm decides which objectives should be focused on right now, and which should currently be ignored. Finally, the current high priority objectives are transformed into recommended subsets of the available control choices, and passed to the controller. The paper is concluded with simulation examples illustrating the approach.

Place, publisher, year, edition, pages
2006.
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-58786OAI: oai:DiVA.org:kth-58786DiVA: diva2:474053
Conference
AIAA Guidance, Navigation, and Control Conference, Keystone, CO, USA. 2006/08/21-2006/08/24
Note
QC 20120109Available from: 2012-01-09 Created: 2012-01-09 Last updated: 2012-01-09Bibliographically approved

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Ögren, Petter

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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