Robot position estimation using range and compass data

Raashid Malik; Braham Benteftifa

doi:10.1117/12.135174

14 February 1992 Robot position estimation using range and compass data

Raashid Malik, Braham Benteftifa

Proceedings Volume 1613, Mobile Robots VI; (1992) https://doi.org/10.1117/12.135174
Event: Robotics '91, 1991, Boston, MA, United States

Abstract

In this paper, a method for mobile robot positioning using range data is investigated. A ranging sensor is used to collect range data within an environment modeled as a closed polygon, and a compass is available to provide the ranging sensor with direction. The problem of position uncertainty is defined as the existence of multiple position solutions when angle readings are noiseless. When the compass is not ideal, the problem is further complicated by now having imprecise multiple solutions. Both cases are solved by introducing a function defined as the region entropy, which provides us with the ranging angle directions that minimize the uncertainty in position estimation. A least square position estimation method is then proposed. Finally, an example is used to illustrate the technique described above.

Citation Download Citation

Raashid Malik and Braham Benteftifa "Robot position estimation using range and compass data", Proc. SPIE 1613, Mobile Robots VI, (14 February 1992); https://doi.org/10.1117/12.135174

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