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RESEARCH PAPERS: Additional Technical Papers

Experimental Results in the Modeling and Control of a Small Furnace

[+] Author and Article Information
R. S. Baheti

General Electric Company, Schenectady, N.Y. 12309

R. R. Mohler

Oregon State University, Corvallis, Oregon 97331

J. Dyn. Sys., Meas., Control 103(4), 370-374 (Dec 01, 1981) (5 pages) doi:10.1115/1.3139678 History: Received April 01, 1980; Online July 21, 2009

Abstract

A dynamic model is developed to control the temperature of a specimen in a laboratory furnace. The control variables are the power input to the furnace and the rate of airflow inside the chamber. For a constant airflow input, the furnace can be represented by a linear model and a static gain dependent on the sample temperature. The power input to the furnace is perturbed with a pseudorandom binary sequence and the model parameters are estimated from the input-output measurements. The controller parameters are selected to minimize the variance in the sample temperature.

Copyright © 1981 by ASME
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