A method for measuring strip temperature in the steel industry

• In the steel industry, there are many processes that include measuring and control of temperatures. With higher demand on quality, increased production, and effective energy consumption, the use of noncontact temperature measuring techniques has increased. After the cooling section in a continuous annealing-pickling line, the strip temperature is estimated by using the grey box technique. Temperatures are measured in the cavity between the strip and the roller using radiation thermometers. A model is made for estimating strip temperature using the measured temperatures and knowledge of the physics of the process.

Nyckelord

grey box identification

nonlinear modeling

pyrometer

steel industry

temperature measurements

TECHNOLOGY

TEKNIKVETENSKAP

Industriell mätteknik

Industrial Measurement Technology

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