A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles

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Abstract

Unmanned Aerial Vehicles (UAVs) need a large degree of tolerance towards faults. If not diagnosed and handled in time, many types of faults can have catastrophic consequences if they occur during flight. Prognosis of faults is also valuable and so is the ability to distinguish
the severity of the different faults in terms of both consequences and the frequency with which they appear. In this paper flight data from a
fleet of UAVs is analysed with respect to certain faults and their frequency of appearance. Data is taken from a group of UAV's of the same type but with small differences in weight and handling due to different types of payloads and engines used. Categories of critical faults, that could and have caused UAV crashes are analysed and requirements to diagnosis are formulated. Faults in air system sensors and in control surfaces are given special attention. In a stochastic framework, and based on a large number of data logged during flights, diagnostic methods are employed to diagnose faults and the performance of these fault detectors are evaluated against light data. The paper demonstrates a significant potential for reducing the risk of unplanned loss of remotely piloted vehicles used by the Danish Navy for target practice.
Original languageEnglish
Title of host publicationProceedings of the 19th IFAC World Congress
Number of pages7
Publication date2014
Publication statusPublished - 2014
Event19th World Congress of the International Federation of Automatic Control (IFAC 2014) - Cape Town, South Africa
Duration: 24 Aug 201429 Aug 2014
http://www.ifac2014.org/

Conference

Conference19th World Congress of the International Federation of Automatic Control (IFAC 2014)
CountrySouth Africa
CityCape Town
Period24/08/201429/08/2014
OtherThe theme of the congress: “Promoting automatic control for the benefit of humankind”
Internet address
SeriesI F A C Workshop Series
Number1
Volume19
ISSN1474-6670

Cite this

Hansen, S., Blanke, M., & Adrian, J. (2014). A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles. In Proceedings of the 19th IFAC World Congress I F A C Workshop Series, No. 1, Vol.. 19
Hansen, Søren ; Blanke, Mogens ; Adrian, Jens. / A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles. Proceedings of the 19th IFAC World Congress. 2014. (I F A C Workshop Series; No. 1, Vol. 19).
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Hansen, S, Blanke, M & Adrian, J 2014, A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles. in Proceedings of the 19th IFAC World Congress. I F A C Workshop Series, no. 1, vol. 19, 19th World Congress of the International Federation of Automatic Control (IFAC 2014), Cape Town, South Africa, 24/08/2014.

A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles. / Hansen, Søren; Blanke, Mogens; Adrian, Jens.

Proceedings of the 19th IFAC World Congress. 2014. (I F A C Workshop Series; No. 1, Vol. 19).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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AB - Unmanned Aerial Vehicles (UAVs) need a large degree of tolerance towards faults. If not diagnosed and handled in time, many types of faults can have catastrophic consequences if they occur during flight. Prognosis of faults is also valuable and so is the ability to distinguish the severity of the different faults in terms of both consequences and the frequency with which they appear. In this paper flight data from a fleet of UAVs is analysed with respect to certain faults and their frequency of appearance. Data is taken from a group of UAV's of the same type but with small differences in weight and handling due to different types of payloads and engines used. Categories of critical faults, that could and have caused UAV crashes are analysed and requirements to diagnosis are formulated. Faults in air system sensors and in control surfaces are given special attention. In a stochastic framework, and based on a large number of data logged during flights, diagnostic methods are employed to diagnose faults and the performance of these fault detectors are evaluated against light data. The paper demonstrates a significant potential for reducing the risk of unplanned loss of remotely piloted vehicles used by the Danish Navy for target practice.

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Hansen S, Blanke M, Adrian J. A Framework for Diagnosis of Critical Faults in Unmanned Aerial Vehicles. In Proceedings of the 19th IFAC World Congress. 2014. (I F A C Workshop Series; No. 1, Vol. 19).