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Sensing for visual homing

Usher, Kane, Dunbabin, Matthew, Corke, Peter, & Ridley, Peter (2003) Sensing for visual homing. In Roberts, Jonathan & Wyeth, Gordon (Eds.) Proceedings of the 2003 Australasian Conference on Robotics & Automation, Australian Robotics & Automation Association, Brisbane, Queensland.

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Abstract

In this paper, we outline the sensing system used for the visual pose control of our experimental car-like vehicle, the Autonomous Tractor. The sensing system consists of a magnetic compass, an omnidirectional camera and a low-resolution odometry system. In this work, information from these sensors is fused using complementary filters. Complementary filters provide a means of fusing information from sensors with different characteristics in order to produce a more reliable estimate of the desired variable. Here, the range and bearing of landmarks observed by the vision system are fused with odometry information and a vehicle model, providing a more reliable estimate of these states. We also present a method of combining a compass sensor with odometry and a vehicle model to improve the heading estimate.

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ID Code: 33853
Item Type: Conference Paper
Additional Information: Proceedings of ACRA available on CD-ROM, at a cost of Aus$200 each.
Keywords: sensing, autonomous tractor
ISBN: 0958758352
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2003 [please consult author]
Deposited On: 30 Sep 2010 10:06
Last Modified: 03 Mar 2011 15:47

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