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Rotating optical geometry sensor for fresh water pipe inspection

: Frey, C.W.

Postprint urn:nbn:de:0011-n-844469 (2 MByte PDF)
MD5 Fingerprint: 11a89b58adc8afc5b73dd0ed7abebdd6
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Created on: 28.8.2009

Institute of Electrical and Electronics Engineers -IEEE-:
IEEE Sensors 2008, the Seventh IEEE Conference on Sensors : October 26-29, 2008, Lecce (Italy)
New York, NY: IEEE, 2008
ISBN: 1-4244-2581-5
ISBN: 978-1-4244-2580-8
Conference on Sensors <7, 2008, Lecce/Italien>
Conference Paper, Electronic Publication
Fraunhofer IITB ( IOSB) ()

The inspection of sewer or fresh water pipes is usually carried out by a remotely controlled inspection vehicle equipped with a high resolution camera and a lightning system. Beside the subjective classification of pipe defects trough the operator standard CCTV technology is not suitable for detecting geometrical deformations resulting from e.g. structural mechanical weakness of the pipe, corrosion of the cast-iron material or sedimentations. The Fraunhofer Institute for Information and Data Processing in Karlsruhe, Germany developed a new Rotating Optical Geometry Sensor (ROGS) for fresh water pipe inspection which is capable of measuring the inner pipe geometry very precisely over the whole pipe length. The developed sensor concept has been applied successfully to fresh water and sewer pipes - the results will be presented in detail.