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Paper Information

Journal:   AEROSPACE MECHANICS JOURNAL   FEBRUARY 2007 , Volume 2 , Number 3; Page(s) 67 To 78.
 
Paper: 

DESIGN AND IMPLEMENTATION OF A FUZZY CONTROL SYSTEM FOR A ST2 SUPERSONIC WIND TUNNEL NOZZLE

 
 
Author(s):  HASANI AHANGAR M.R.*, MOZAYANI N., HAMIDI H.A.D.E.D.
 
* COMP. ENG. DEPT., IRAN UNIV. OF SCIENCE & TECH.
 
Abstract: 

An automatically controlled variable converging-diverging supersonic nozzle with high dependability is required for wide range of Mach numbers in a supersonic wind tunnel. In this work, the performance of a converging diverging nozzle of the ST2 supersonic wind tunnel was evaluated and analyzed. Based on our results, an automatic control system for adjustment of the nozzle was designed and implemented. Then, a fuzzy control system was used to optimize the wind tunnel's performance and behavior. The results show that, it is superior in speed, precision, stability, and reliability. In addition, the new system has caused better wind tunnel overall performance, enhancing its reliability and reducing its cost.

 
Keyword(s): WIND TUNNEL, CONVERGING-DIVERGING NOZZLE, FUZZY SYSTEM, FUZZY CONTROL
 
References: 
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