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Maneuvering Target Tracking using Auxiliary Particle Filters
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2000 (English)In: Proceedings of Reglermöte 2000, 2000, 278-283 p.Conference paper, Published paper (Other academic)
Abstract [en]

We consider the recursive state estimation of a highly maneuverable target. In contrast to standard target tracking literature we do not rely on linearized motion models and measurement relations, or on any Gaussian assumptions. Instead, we apply optimal recursive Bayesian filters directly to the nonlinear target model. We present novel sequential simulation based algorithms developed explicitly for the maneuvering target tracking problem. These Monte Carlo filters perform optimal inference by simulating a large number of independent tracks, or particles. Each particle is assigned a probability weight determined by its likelihood. The main advantage of our approach is that linearizations and Gaussian assumptions need not be considered. Instead, a nonlinear model is directly used during the prediction and likelihood update. Detailed nonlinear dynamics models and non-Gaussian sensors can therefore be utilized in an optimal manner resulting in %high performance gains. In a simulation comparisons with current state-of-the-art tracking algorithms we show that our approach yields performance improvements at a moderately increased computational cost. Moreover, incorporation of physical constraints with sustained optimal performance is straightforward, which is virtually impossible to incorporate for linear Gaussian filters. With the particle filtering approach we advocate these constraints are easily introduced and improve the results substantially.

Place, publisher, year, edition, pages
2000. 278-283 p.
Keyword [en]
Particle filters, Estimation, Target tracking
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-29620Local ID: 14999OAI: oai:DiVA.org:liu-29620DiVA: diva2:250437
Conference
Reglermöte 2000, Uppsala, Sweden, June, 2000
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-04-16

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Karlsson, Rickard

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  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
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  • text
  • asciidoc
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