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Flexible Automation and Integrated Manufacturing 1999

ISBN Print: 978-1-56700-133-4

A RGB-CAMERA BASED SYSTEM FOR INSPECTING THERMAL RADIATORS

Abstract

This paper discusses a colour camera based vision system for temperature measurement. Usually, visual imaging and infrared image sensing are treated as seperate disciplines. We will show, that a well selected colour camera device might be a cheaper, more robust and more sophisticated solution for optical temperature measurement in several cases. Herein, only implementation fragments and important restrictions for the sensing element will be discussed. Our aim is to draw the readers attention to the use of visual image sensors for measuring thermal radiation and temperature. With AVL-List, our partner of industry, we successfully used the proposed sensor to perform temperature measurement for flames inside the combustion chamber of diesel engines; the AVL Engine VideoScope 513D allows a triggered acquisition of transient temperature phenomena at an integration time as low as 64µs. The achieved results for temperature measurement will be shown for this sample application.
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