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Integrating SLAM-DUNK and variable rate particle observers for fast multi-hypothesis SLAM

Author(s)
Bhattacharjee, Sanchit.
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Other Contributors
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.
Advisor
Jean-Jacques Slotine.
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MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
In this thesis, the problem of SLAM with some set of prior hypotheses about the map, called Multi-Hypothesis SLAM, was tackled using a combination of an existing landmark-based SLAM algorithm called SLAM-DUNK and a particle filter inspired approach. SLAM-DUNK is a recent Kalman Filter-based algorithm for landmark tracking that scales linearly with the number of landmarks and converges globally to true landmark coordinates, thus far outperforming standard Kalman filter methods such as EKF-SLAM. This was combined with the Hybrid Variable Rate Particle Observer, a particle-filter inspired approach used here for hypothesis discrimination and particularly suited to tracking applications. An algorithm based on combining these two methods was formulated and shown to solve the problem quite successfully, with good resistance to complicating factors such as noise and number of hypotheses. The limitations and peak performance of this algorithm were also investigated by considering the ability of the algorithm to discriminate between very similar hypotheses and the conditions under which the algorithm performed best. Finally, the ability to extend this algorithm to dierent types of hypotheses, including Dense Maps owing to SLAM-DUNK's versatility, was considered and discussed.
Description
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
 
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2019
 
Cataloged from student-submitted PDF version of thesis.
 
Includes bibliographical references (pages 73-74).
 
Date issued
2019
URI
https://hdl.handle.net/1721.1/124234
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Publisher
Massachusetts Institute of Technology
Keywords
Electrical Engineering and Computer Science.

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