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Recognition of Unreliable Ultrasonic Range Data in a Robotic Environment

Published online by Cambridge University Press:  09 March 2009

P.J. Parnis  and
P.J. Drazan
P.J. Parnis
Affiliation:
Department of Mechanical and Manufacturing Systems Engineering (MEMS)
P.J. Drazan
Affiliation:
University of WalesInstitute of Science and Technology (UWIST), PO Box 25, Cardiff CFl 3XE, Wales (Great Britain)
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Summary

The use of ultrasonic range transducers is an inexpensive method of obtaining information about the environment surrounding a robotic System. However, ultrasonic ranging suffers from various shortcomings, one of the major being the production of unreliable data caused by specular reflection.

This work presents an original approach to overcoming the problem of unreliable ultrasonic range data which is caused by specular reflection of the ultrasonic beam. The approach is shown to discriminate between reliable and unreliable data, thus enhancing the role of the ultrasonic range transducer in robotic applications.

Keywords

Ultrasonic dataSpecular reflectionUnreliable dataRobotic environment
Type
Article
Information
Robotica , Volume 7 , Issue 3 , July 1989 , pp. 223 - 229
Copyright
Copyright © Cambridge University Press 1989

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