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Consecutive Scanning Scheme: Application to Localization and Dynamic Obstacle Detection for a Mobile Robot

[+] Author Affiliations
Jae-Yong Lee, Sooyong Lee

Texas A&M University, College Station, TX

Paper No. IMECE2002-32698, pp. 973-980; 8 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-3629-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


This paper presents the mobile robot localization and obstacle detection algorithm using the consecutive range sensor scanning scheme. For known environment, a mobile robot scans the environment using which can rotate 360°. The environment is rebuild using characteristic points which means nodes of two adjacent walls, and obstacle is detected by comparing characteristic points of both original environment and scanned data set. If scanning is done densely for a certain position, inaccuracy of sensor can be overcome to some extent. It is very useful algorithm in detecting the moving obstacle. By comparing two data sets, the movement of an obstacle can be picked out. Furthermore, consecutive scanning data set provides additional localization information so that we can get the robot configuration more precisely.

Copyright © 2002 by ASME
Topics: Mobile robots



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