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Mobile robot navigation using the range-weighted Hough transform
Luleå tekniska universitet.
Luleå tekniska universitet.
1995 (English)In: IEEE robotics & automation magazine, ISSN 1070-9932, E-ISSN 1558-223X, Vol. 2, no 1, 18-26 p.Article in journal (Refereed) Published
Abstract [en]

Accurate navigation of a mobile robot in cluttered rooms using a range-measuring laser as a sensor has been achieved. To extract the directions and distances to the walls of the room the range-weighted Hough transform is used. The following experimental results are emphasized: The robot extracts the walls of the surrounding room from the range measurements. The distances between parallel walls are estimated with a standard deviation smaller than 1 cm. It is possible to navigate the robot along any preselected trajectory in the room. One special case is navigation through an open door detected by the laser. The accuracy of the passage is 1 cm at a speed of 0.5 m/s. The trajectory is perpendicular to the wall within 0.5 degrees in angle. When navigating through corridors, the accuracy is better than 1 cm at 0.8 m/s-the maximum speed of the robot. Odometric data and laser measurements are combined using the extended Kalman filter. The size of the cluttered rectangular room and the position and orientation (pose) of the robot are estimated during motion. The extraction and the resulting navigation are very robust against both spurious measurements in the laser measurements and disturbing objects.

Place, publisher, year, edition, pages
1995. Vol. 2, no 1, 18-26 p.
Identifiers
URN: urn:nbn:se:ltu:diva-270DOI: 10.1109/100.388295Local ID: 0173af30-7c9d-11db-8824-000ea68e967bOAI: oai:DiVA.org:ltu-270DiVA: diva2:972382
Note

Godkänd; 1995; 20061125 (ysko)

Available from: 2016-09-20 Created: 2016-09-20 Last updated: 2016-09-21Bibliographically approved

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