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A review of selected control surfaces for aircraft performance improves

Authors :

Mohammad Hossein Moghimi Esfandabadi¹ Kamyab Karbasishargh² Sajedeh Azizi goodarzi³ Mohammad Hassan Djavareshkian⁴ ALI Esmaeili⁵

1- دانشگاه فردوسی مشهد 2- دانشگاه فردوسی مشهد 3- دانشگاه فردوسی مشهد 4- دانشگاه فردوسی مشهد 5- دانشگاه فردوسی مشهد

Keywords :

UAV،Stability،Control surfaces،Performance،Wing

Abstract :

Unmanned aerial vehicles (UAVs) offer benefits like increased efficiency, broader accessibility, and reduced costs compared to manned aircraft. However, they face challenges like flight stability and performance issues, especially at high angles of attack. This article reviews different wing control surfaces and modifications used on UAVs to improve flight characteristics. Specifically, it describes elevons, split drag rudders, spoiler slot deflectors, and all moving wing tips. These controls aim to enhance control authority, manoeuvrability, drag modulation, lift augmentation, and stability through means like asymmetric deflection and boundary layer control. The review indicates that while integrated controls like elevons simplify designs, discrete control systems also have advantages. Continued research and development of UAV control mechanisms will further improve their capabilities.

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