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Ultrasonic Phased Array Scanner for Measurement and Control in Robotics

: Schraft, R.D.; Dahlkemper, J.

Belgian Federation of Automatic Control; Belgian Society of Mechanical and Environmental Engineering; Belgian Measurement Confederation; International Measurement Confederation -IMEKO-, Technical Committee on Robotics -TC 17-:
Measurement and Control in Robotics. Proceedings of the International Symposium on Measurement and Control in Robotics
International Symposium on Measurement and Control in Robotics <6, 1996, Brussels, Belgium>
Conference Paper
Fraunhofer IPA ()
application; Industrieroboter; measurement; Messen optischer Größen; Roboter; sensor; Steuerung

Ultrasonic Sensors are known as robust and cheap distance sensors suitable for various applications. This paper describes the realisation of an ultrasonic phased array scanner for long range measurements in air. It consists of a linear arrangement of transducers. Firing the transducers simultaneously results in a very intensive narrow beam caused by superposition of the signals. The measurement direction and the beam width can be controlled electronically.