THERMAL SCIENCE
International Scientific Journal
MODELING AND CONTROL OF TEMPERATURE OF HEAT-CALIBRATION WIND TUNNEL
ABSTRACT
This paper investigates the temperature control of the heat air-flow wind tunnel for sensor temperature-calibration and heat strength experiment. Firstly, a mathematical model was established to describe the dynamic characteristics of the fuel supplying system based on a variable frequency driving pump. Then, based on the classical cascade control, an improved control law with the Smith predictive estimate and the fuzzy proportional-integral-derivative was proposed. The simulation result shows that the control effect of the proposed control strategy is better than the ordinary proportional-integral-derivative cascade control strategy.
KEYWORDS
PAPER SUBMITTED: 2012-08-16
PAPER REVISED: 2012-09-01
PAPER ACCEPTED: 2012-09-12
THERMAL SCIENCE YEAR
2012, VOLUME
16, ISSUE
Issue 5, PAGES [1433 - 1436]
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