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ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION

Year 2021, Volume: 20 Issue: 39, 19 - 34, 28.06.2021

Abstract

This article proposes the conventional implementation of a “Altitude-Hold Controller” for a high speed hypothetical aircraft. The static stability, which is called as Stability Augmentation System (SAS), is studied for the system. The stability conditions are analyzed and suitable controller design is developed over the longitudinal motion. The controller is designed by linearizing the longitudinal equation of motions and it is studied for performance issue. The controller design is optimized in order to get a good approximation for the overall flight system. The Root-Locus method is used to get the controller coefficients. The controller is divided into two sections which are; the inner loop that deals with the pitching motion parameters and the outer loop that deals with the altitude reference, flight-path angle on the vertical motion of the aircraft. The simulations, analysis and results are developed in MATLAB/Simulink program. The final results are discovered and expressed over the MATLAB/Simulink.

References

  • Blakelock, J.H., (1991), Automatic Control of Aircraft and Missiles, A Wiley-Interscience Publication, 669, Canada.
  • Gleen, B., (1978), Flight Experience with Altitude Hold and Mach Hold Autopilots on the YF-12 Aircraft at Mach 3, NASA Flight Research Center Edwards, CA, United States.
  • Lee, D., (2020), “Angle-of-Attack Command Longitudinal Control for Supersonic Advanced Trainer Aircraft”, International Journal of Aeronautical and Space Sciences, 22, 120–128.
  • McLean, D., (1990), Automatic Flight Control Systems, Prentice Hall International, 610, UK.
  • Steer, A.J., (2001), Flight Control for Advanced Supersonic Transport Aircraft Handling Quality Design, Cranfield University, PhD Thesis,UK.
  • Steer, A.J., (2004), “Supersonic Transport Aircraft Longitudinal Flight Control Law Design”, The Aeronautical Journal, 108(1084), 319-329.

UZUNLAMASINA HAREKET KAPSAMINDA İRTİFA KİLİTLEME UÇUŞ KONTROL SİSTEMİ TASARIMI

Year 2021, Volume: 20 Issue: 39, 19 - 34, 28.06.2021

Abstract

Bu makale, yüksek hızlı varsayımsal bir uçak için “İrtifa-Kilitleme Kontrolcü”sünün geleneksel uygulamasını göstermektedir. Sistem için “Kararlılık Arttırma Sistemi (SAS)” olarak adlandırılan statik kararlılık çalışılmıştır. Kararlılık koşulları analiz edilmiş ve uçağın uzunlamasına hareketi üzerinden uygun kontrolcü tasarımı geliştirilmiştir. Kontrolcü, uzunlamasına hareket denklemlerinin lineerleştirilmesi ile birlikte tasarlanmış ve performans sorunu için incelenmiştir. Kontrolcü tasarımı, genel uçuş sistemi için iyi bir yaklaşım elde etmek adına optimize edilmiştir. Kontrolcü katsayılarını elde etmek için Root-Locus yöntemi kullanılmıştır. Kontrolcü iki bölüme ayrılmıştır: yunuslama hareketi parametreleri ve açıları ile ilgilenen iç kontrol döngüsü ve uçağın dikey hareketindeki irtifa referansı ve uçuş-yolu açısı ile ilgilenen dış kontrol döngüsüdür. Simülasyonlar, analizler ve sonuçlar MATLAB/Simulink programında geliştirilmiştir. Nihai sonuçlar keşfedilmiş ve MATLAB/Simulink üzerinden ifade edilmiştir.

References

  • Blakelock, J.H., (1991), Automatic Control of Aircraft and Missiles, A Wiley-Interscience Publication, 669, Canada.
  • Gleen, B., (1978), Flight Experience with Altitude Hold and Mach Hold Autopilots on the YF-12 Aircraft at Mach 3, NASA Flight Research Center Edwards, CA, United States.
  • Lee, D., (2020), “Angle-of-Attack Command Longitudinal Control for Supersonic Advanced Trainer Aircraft”, International Journal of Aeronautical and Space Sciences, 22, 120–128.
  • McLean, D., (1990), Automatic Flight Control Systems, Prentice Hall International, 610, UK.
  • Steer, A.J., (2001), Flight Control for Advanced Supersonic Transport Aircraft Handling Quality Design, Cranfield University, PhD Thesis,UK.
  • Steer, A.J., (2004), “Supersonic Transport Aircraft Longitudinal Flight Control Law Design”, The Aeronautical Journal, 108(1084), 319-329.
There are 6 citations in total.

Details

Primary Language English
Subjects Engineering
Journal Section Research Articles
Authors

Ahmet Hulusi Öz 0000-0003-4374-7932

Muammer Kalyon 0000-0002-8168-2773

Publication Date June 28, 2021
Submission Date May 28, 2021
Published in Issue Year 2021 Volume: 20 Issue: 39

Cite

APA Öz, A. H., & Kalyon, M. (2021). ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION. İstanbul Commerce University Journal of Science, 20(39), 19-34.
AMA Öz AH, Kalyon M. ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION. İstanbul Commerce University Journal of Science. June 2021;20(39):19-34.
Chicago Öz, Ahmet Hulusi, and Muammer Kalyon. “ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION”. İstanbul Commerce University Journal of Science 20, no. 39 (June 2021): 19-34.
EndNote Öz AH, Kalyon M (June 1, 2021) ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION. İstanbul Commerce University Journal of Science 20 39 19–34.
IEEE A. H. Öz and M. Kalyon, “ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION”, İstanbul Commerce University Journal of Science, vol. 20, no. 39, pp. 19–34, 2021.
ISNAD Öz, Ahmet Hulusi - Kalyon, Muammer. “ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION”. İstanbul Commerce University Journal of Science 20/39 (June 2021), 19-34.
JAMA Öz AH, Kalyon M. ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION. İstanbul Commerce University Journal of Science. 2021;20:19–34.
MLA Öz, Ahmet Hulusi and Muammer Kalyon. “ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION”. İstanbul Commerce University Journal of Science, vol. 20, no. 39, 2021, pp. 19-34.
Vancouver Öz AH, Kalyon M. ALTITUDE-HOLD FLIGHT CONTROL SYSTEM DESIGN FOR LONGITUDINAL MOTION. İstanbul Commerce University Journal of Science. 2021;20(39):19-34.