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Invariant EKF Design for Scan Matching-Aided Localization

  • University of Alberta
  • Mines ParisTech

Research output: Contribution to journalArticlepeer-review

Abstract

Localization in indoor environments is a technique that estimates the robot's pose by fusing data from onboard motion sensors with readings of the environment, in our case obtained by scan matching point clouds captured by a low-cost Kinect depth camera. We develop both an invariant extended Kalman filter (IEKF)-based and a multiplicative extended Kalman filter-based solution to this problem. The two designs are successfully validated in experiments and demonstrate the advantage of the IEKF design.

Original languageEnglish
Article number7081772
Pages (from-to)2440-2448
Number of pages9
JournalIEEE Transactions on Control Systems Technology
Volume23
Issue number6
DOIs
Publication statusPublished - 1 Nov 2015
Externally publishedYes

Keywords

  • Additive noise
  • Kalman filters
  • covariance matrices
  • iterative closest point (ICP) algorithm
  • least squares methods
  • mobile robots
  • state estimation

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