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Development and evaluation of a filter for trackinghighly maneuverable targets
Linköping University, Department of Electrical Engineering, Automatic Control.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In modern systems for air surveillance, it is important to have a high quality situationassessment. SAAB has a system for air surveillance, and in this thesis possibleimprovements of the tracking performance of this system are explored. The focushas been on improving the tracking of highly maneuverable targets observed withlow sampling rate. To evaluate improvements of the tracking performance, a componentthat is similar to the one used in SAAB’s present tracker was implementedin an Interacting Multiple Model (IMM) structure. The use of an Auxiliary ParticleFilter for improving the tracking performance is explored, and a way to fita particle filter into SAAB’s existing IMM framework is proposed. The differentfilters were implemented in Matlab, and evaluation was done by the meansof Monte Carlo simulations. The results from Monte Carlo simulations show significantimprovement when tracking in two dimensions. However, the results inthree dimensions do not display any substantial overall improvement when usingthe particle filter compared to using SAAB’s present filter. It is therefore notworthwhile to switch the filter used in SAAB’s present tracker for a particle filter,at least not under the high SNR circumstances presented in this thesis. However,further studies within this area are recommended before any final decisions aremade.

Place, publisher, year, edition, pages
2011. , 71 p.
Keyword [en]
Target tracking, Particle Filter, Interacting Multiple Model
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-71016ISRN: LiTH-ISY-EX--11/4499--SEOAI: diva2:443894
Subject / course
Automatic Control
Available from: 2011-09-27 Created: 2011-09-27 Last updated: 2011-09-27Bibliographically approved

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Pirard, Viktor
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