| Author | Search for: Hermanto, I.; Search for: Gagnon, R. E. |
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| Format | Text, Article |
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| Conference | Canadian Conference on Electrical and Computer Engineering, May 25-28, 1997, St. John's, NF |
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| Subject | remote ice detector; ice layer; machine vision; layer thickness measurement |
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| Abstract | A patented technique for remotely measuring layer thickness of transparent fluids and solids on surfaces has been incorporated into Canpolar East's Smart Camera (VE-262) and been validated for measurement of ice layer thickness. This application addresses the need for reliable detection of icing on aircraft. The thickness measurement technique is carried out by directing a laser beam at the surface with the ice layer. A pattern of illumination appears on the surface as a result of internal reflection of the laser light within the ice layer. The layer thickness is calculated by a simple formula involving the size of the image pattern and the refractive index of layer material. The system was tested using a wedge-shaped ice sample with a maximum thickness of about 10 mm. The data indicated a system measurement accuracy of ±0.1 mm. |
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| Publication date | 1997 |
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| Identifier | IR-1996-16 |
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| NRC number | NRC-IOT-5502 |
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| NPARC number | 8895761 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | c1fdb5dd-3b7d-4ca3-b7af-52258c59937b |
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| Record created | 2009-04-22 |
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| Record modified | 2020-03-20 |
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