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2019, vol. 69, br. 1, str. 3-9
FPGA sistem za pozicioniranje aerotunelskog mlaznika promenljive geometrije
Vojnotehnički institut - VTI, Beograd

e-adresabiljana.ilic@icloud.com
Ključne reči: mlaznik; aerotunel; FPGA; upravljanje pozicijom; sistem za rad u realnom vremenu; aktuatori; senzori
Sažetak
Zahtevi za tačnošću aerotunelskih ispitivanja su postajali sve strožiji tokom prethodnih nekoliko decenija, usled težnji vazduhoplovne industrije da postigne najbolje performanse svojih proizvoda. Investicije u napredne mogućnosti su neophodne kako bi se tačniji rezultati ispitivanja postizali efikasnije, čime bi se obezbedilo da aerotuneli ostanu produktivni ji u budućnosti. Kao odgovor na ove izazove, u aerotunelu VTI T-38 je primenjen hijerarhijski pristup u projektovanju distribuiranog upravljačkog sistema sa više nivoa. Deo tog sistema je sistem za pozicioniranje mlaznika promenljive geometrije, koji je predstavljen u ovom radu. On prati hijerarhiju kompletnog upravljačkog sistema aerotunela, sa kritičnim upravljačkim petljama smeštenim na FPGA nivou, dok je korisnički interfejs sa mogućnošću obavljanja analiza u realnom vremenu implementiran na centralnom upravljačkom računaru. Pored tačnijeg pozicioniranja, upravljački sistem baziran na FPGA je značajno poboljšao efikasnost, brzinu i pouzdanost rada aerotunela. Kako geometrija mlaznika jednoznačno određuje supersonični Mahov broj u radnom delu aerotunela, poboljšana tačnost pozicioniranja je verifikovana u aerotunelskim ispitivanjima.
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O članku

jezik rada: engleski
vrsta rada: neklasifikovan
DOI: 10.5937/str1901003I
objavljen u SCIndeksu: 05.07.2019.
Creative Commons License 4.0

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