Design of PI Controller for Longitudinal Stability of Fixed-Wing UAVs

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Design of PI Controller for Longitudinal Stability of Fixed-Wing UAVs

Phunpeng, Veena / Wanna, Wilailak / Kerdphol, Thongchart

Small aircraft without onboard pilots are called unmanned aerial vehicles (UAVs). UAVs have been used in various applications of civilian and military. The controlled movement of UAVs can be divided into pitching, yawing, and rolling actions. The pitch control motion includes longitudinal stability, which is the ability to maintain the equilibrium of UAV pitch motion (nose up or down) after disturbances. Without the proper control of longitudinal stability, it can lead to system instability, causing the UAV stalling and loss of attitude. To solve instability problem, the adaptive feedback controller (e.g., Proportional-Integral (PI)) used in industrial systems can be applied. This paper proposes the design and analysis of the PI controller to maintain the longitudinal stability of the fixed-wing UAV during disturbances. The mathematic pitch motion behavior of UAVs is analyzed by the derived state-space model. The obtained results show that the designed PI controller could improve the UAV longitudinal stability and eliminate the disturbance effects by reducing the overshoot, steady-state error, and settling time, leading to the UAV stability improvement.

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Dokumentinformationen

Titel :

Design of PI Controller for Longitudinal Stability of Fixed-Wing UAVs

Weitere Titelangaben:

Sustainable aviat.

Beteiligte:

Karakoc, T. Hikmet (Herausgeber:in) / Atipan, Siripong (Herausgeber:in) / Dalkiran, Alper (Herausgeber:in) / Ercan, Ali Haydar (Herausgeber:in) / Kongsamutr, Navatasn (Herausgeber:in) / Sripawadkul, Vis (Herausgeber:in) / Phunpeng, Veena (Autor:in) / Wanna, Wilailak (Autor:in) / Kerdphol, Thongchart (Autor:in)

Kongress:

International Symposium On Sustainable Aviation ; 2021 November 25, 2021 - November 27, 2021

Erschienen in:

Research Developments in Sustainable Aviation ; Kapitel : 16 ; 117-126

Sustainable Aviation

Erscheinungsdatum :

2023-09-30

Format / Umfang :

10 pages

ISBN :

978-3-031-37943-7 , 978-3-031-37942-0

ISSN :