Concept of multisensor industrial thermal imaging system

Juraj Pancik; Pavel Scepko; Vladimir Sekerka; Uwe Hoffmann; Thomas Reichardt

doi:10.1117/12.361001

10 September 1999 Concept of multisensor industrial thermal imaging system

Juraj Pancik, Pavel Scepko, Vladimir Sekerka, Uwe Hoffmann, Thomas Reichardt

Proceedings Volume 3827, Diagnostic Imaging Technologies and Industrial Applications; (1999) https://doi.org/10.1117/12.361001
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany

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.

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Juraj Pancik, Pavel Scepko, Vladimir Sekerka, Uwe Hoffmann, and Thomas Reichardt "Concept of multisensor industrial thermal imaging system", Proc. SPIE 3827, Diagnostic Imaging Technologies and Industrial Applications, (10 September 1999); https://doi.org/10.1117/12.361001

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KEYWORDS

Imaging systems

Thermography

Sensors

Cameras

Telecommunications

Local area networks

Scanners

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