Design and Application of Temperature Measurement System Based on Machine Vision

doi:10.3969/j.issn.1006-2475.2012.09.015

Computer and Modernization ›› 2012, Vol. 1 ›› Issue (9): 57-60.doi: 10.3969/j.issn.1006-2475.2012.09.015

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Design and Application of Temperature Measurement System Based on Machine Vision

LI Ning, WANG Ren-huang, LIU Xiao-feng, ZHU Ying, LI Yi-yue

School of Automation, Guangdong University of Technology, Guangzhou 510090, China

Received:2012-05-02 Revised:1900-01-01 Online:2012-09-21 Published:2012-09-21

Abstract

Abstract: Temperature data acquisition circuit based on platinum resistance, which is constantly used in temperature control system, is complex, weak on anti-jamming capability and low measuring accuracy, and its linear fitting of platinum resistance is very troublesome. This article describes a temperature measurement system to read the mercury thermometer automatically based on machine vision, designed on VC+〖KG-*3〗+6.0 platform. By applying some effective image processing algorithms, the temperature measurement system has resolution of 0.01℃, measures accurately and workes reliably. The temperature measurement system has been successfully applied in the temperature control experiment of large time-delay and large inertia.
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Key words: machine vision, temperature measurement, image processing

LI Ning;WANG Ren-huang;LIU Xiao-feng;ZHU Ying;LI Yi-yue. Design and Application of Temperature Measurement System Based on Machine Vision[J]. Computer and Modernization, 2012, 1(9): 57-60.

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