Localization and self-calibration of a robot for volcano exploration
- 1 January 2004
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 1, 586-591 Vol.1
- https://doi.org/10.1109/robot.2004.1307212
Abstract
This work describes an algorithm for the localization and self calibration of a mobile robot. Data from a DGPS and two optical encoders are fused by an extended Kalman filter (EKF) in order to calculate the absolute position of the robot and to estimate the values of the parameters used by the odometry (wheels radii and wheelbase). The presented self calibrating EKF (EKF/sub SC/) has been tested both on a simulator and on the mobile robot "Robovolc": a six independently actuated wheels robot for volcano exploration. The EKF/sub SC/ does not need a separate phase for the parameter identification. Moreover the odometry parameters of the Robovolc robot have been identified both with the UMBmark and with the EKF/sub SC/; some comparative tests show an improvement of the estimated trajectories.Keywords
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