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Laser scanning system for inspecting large underwater hydroelectric structures

[+] Author Affiliations
François Mirallès, Julien Beaudry, Michel Blain

Hydro Quebec Research Institute, 1800 Boulevard Lionel-Boulet, Varennes, QC J3X1S1, Canada

Romano M. De Santis

École Polytechnique de Montréal, Department of Electrical Engineering, Montreal, QC, Canada

Régis Houde

Hydro Quebec Research Institute, 1800 Boulevard Lionel-Boulet, Varennes, QC J3X1S1, Canada

Richard Hurteau

École Polytechnique de Montréal, Department of Electrical Engineering, Montreal, QC, Canada

André Robert, Serge Sarraillon, Nathalie Soucy

Hydro Quebec Research Institute, 1800 Boulevard Lionel-Boulet, Varennes, QC J3X1S1, Canada

J. Electron. Imaging. 19(2), 023015 (May 27, 2010). doi:10.1117/1.3435344
History: Received December 26, 2009; Revised April 13, 2010; Accepted April 16, 2010; Published May 27, 2010; Online May 27, 2010
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A novel robotic laser scanning system for the inspection of large underwater hydroelectric structures is proposed. This system has been developed at the Hydro Quebec Research Institute and consists of a laser camera mounted on a 2-D Cartesian manipulator. Mechanical, electronic, and software design aspects; overall operational modalities; and proof of concept results are presented. We evaluated the performances of the system in the course of laboratory experiments and inspection trials carried out under normal operating conditions at the site of three of Hydro Quebec’s hydroelectric dams.

© 2010 SPIE and IS&T

Citation

François Mirallès ; Julien Beaudry ; Michel Blain ; Romano M. De Santis ; Régis Houde, et al.
"Laser scanning system for inspecting large underwater hydroelectric structures", J. Electron. Imaging. 19(2), 023015 (May 27, 2010). ; http://dx.doi.org/10.1117/1.3435344


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