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Utilizing Model Structure for Efficient Simultaneous Localization and Mapping for a UAV Application
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2008 (English)In: Proceedings of Reglermöte 2008, 2008, 313-322Conference paper (Other academic)
Abstract [en]

This contribution aims at unifying two recent trends in applied particle filtering (PF). The first trend is the major impact in simultaneous localization and mapping (SLAM) applications, utilizing the FastSLAM algorithm. Thesecond one is the implications of the marginalized particle filter (MPF) or the Rao-Blackwellized particle filter (RBPF) in positioning and tracking applications. Using the standard FastSLAM algorithm, only low-dimensional vehicle modelsare computationally feasible. In this work, an algorithm is introduced which merges FastSLAM and MPF, and the result is an algorithm for SLAM applications, where state vectors of higher dimensions can be used. Results using experimental data from a UAV (helicopter) are presented. The algorithmfuses measurements from on-board inertial sensors (accelerometer and gyro) and vision in order to solve the SLAM problem, i.e., enable navigation over a long period of time.

Keyword [en]
Rao-Blackwellized/marginalized particle filter, Sensor fusion, Simultaneous localization and mapping, Inertial sensors, UAV, Vision
National Category
Engineering and Technology Control Engineering
URN: urn:nbn:se:liu:diva-43508Local ID: 73995OAI: diva2:264367
Reglermöte 2008, Luleå, Sweden June, 2008
Available from2009-10-10 Created:2009-10-10 Last updated:2013-02-23Bibliographically approved

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Karlsson, RickardSchön, ThomasTörnqvist, DavidConte, GianpaoloGustafsson, Fredrik
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