Path Tracking Through Uncharted Moving Obstacles

James F. Gil de Lamadrid, Maria L. Gini

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The problem of planning motions for a mobile robot in the presence of objects moving on unknown trajectories and with unknown velocities is addressed. The robot must follow a predefined path with a given tolerance and reach its destination by a given time without colliding with any obstacle. Objects are represented by nonintersecting discs in the plane, and the robot by a point. The proposed method relies on the use of sensors to detect obstacles, and interleaves path planning with execution. Experimental results obtained both in simulation and with a real robot are shown.

Original languageEnglish (US)
Pages (from-to)1408-1422
Number of pages15
JournalIEEE Transactions on Systems, Man and Cybernetics
Volume20
Issue number6
DOIs
StatePublished - 1990

Bibliographical note

Funding Information:
Manuscript received January 27, 1989; revised October I. 1989. This work was supported in part by a grant from the AT&T Foundation and in part by a grant from the Project Woksape of the University of Minnesota and in part by NSF grant no. NSF/CCR 8715220. The authors are with the Department of Computer Science, University of Minnesota, 4-192 EE/CSci Building. 200 Union St. SE., Minneapolis, MN 55455. IEEE Log Number 9037601.

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