BASIC THEORY AND METHOD OF WELDING ARC SPECTRAL INFORMATION |
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Authors: | LiJunyue LiZhiyong LiHuan XueHaitao |
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Affiliation: | SchoolofMatenalScienceandEngineenng,TianjinUniversity,Tianjin300072,China |
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Abstract: | Arc spectral information is a rising information source which can solve many problems that
can not be done with arc electric information and other arc information. It is of important signficance
to develop automatic control technique of welding process. The basic theory and methods on it play an
important role in expounding and applying arc spectral information. Using concemed equation in
plasma physics and spectrum theory a system of equations including 12 equations which serve as basic
theory of arc spectral information is set up. Through analyzing of the 12 equations, a basic view that
arc spectral information is the reflection of arc state and state variation, and is the most abundant in-
formation resource reflecting welding arc process is drawn. Furthermore, based on the basic theory the
basic methods of test and control of arc spectral information and points out some applications of it are
discussesed. |
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Keywords: | Arc Plasma Spectral information Welding Automatic controls |
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