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Proceedings Paper

Concept of multisensor industrial thermal imaging system
Author(s): Juraj Pancik; Pavel Scepko; Vladimir Sekerka; Uwe Hoffmann; Thomas Reichardt
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Paper Abstract

This paper describes the development and system integration of a non-cooled industrial thermal imaging system (ITIS) based on an uncooled linear array 1 X 128 pyroelectric detectors and internal scanner and the concept of multisensor industrial thermal imaging system for inspection/monitoring thermal processes or hazardous environments. In previous time, as first step, was developed a thermal imaging system in which was a two dimensional capability is reached with mounting of the camera on the precise programmable positional unit that exhibits positioning capability in 2 D.o.F. (degree of freedom). As a second stage of a developing an industrial thermal imaging system was mechanical design and construction of an internal scanner for linear array. Internal scanner has ability to create two-dimensional frame with selectable numbers of rows (from 1 to 128). Frame rate is depending on a numbers of rows in a frame (from 128 Hz to 1 Hz) and software averaging. The measured NETD of a thermal imaging system, without frame averaging, is better than 0.5 degrees Celsius (for lens with F equals 0.7 at 300 K). The digital part of a camera is equipped with 32 bit floating point digital signal processor (SHARC, Analog Devices), fieldbus controller (COM20020, SMCS, with implemented low-level protocol ARCNET ANSI ATA 878.1 with data rate 5 Mbit per second) and fieldbus interfaces (for twisted pair and coaxial cable). The positional unit was also attached with fieldbus controller. This paper also deals with a conceptual design of a multi- sensor and multi-actuator system based on a ARCNET Local Area Networks (LAN) with set of nodes like thermal or visible cameras, positional units and other necessary nodes.

Paper Details

Date Published: 10 September 1999
PDF: 8 pages
Proc. SPIE 3827, Diagnostic Imaging Technologies and Industrial Applications, (10 September 1999); doi: 10.1117/12.361001
Show Author Affiliations
Juraj Pancik, Institute of Control Theory and Robotics (Slovak Republic)
Pavel Scepko, Institute of Control Theory and Robotics (Slovak Republic)
Vladimir Sekerka, Institute of Control Theory and Robotics (Slovak Republic)
Uwe Hoffmann, DIAS Angewandte Sensorik GmbH (Germany)
Thomas Reichardt, DIAS Angewandte Sensorik GmbH (Germany)


Published in SPIE Proceedings Vol. 3827:
Diagnostic Imaging Technologies and Industrial Applications
Jorma Lammasniemi; Herbert Wiggenhauser; Gerhard Busse; Bruce G. Batchelor; Wolfgang Poelzleitner; Gerd Dobmann, Editor(s)

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