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Hao Qi, Shi-Jie Cao, Jia-Yue Wu, Yi-Ming Peng, Hong Nie and Xiao-Hui Wei
The tail-sitter VTOL UAV boasts not only high-speed cruising and air hovering capabilities, but also its unique tail-sitting vertical takeoff and landing and hovering attitude enable aerial operations with an exceptionally small cross-sectional area. Thi...
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Magdalena Peciak, Wojciech Skarka, Krzysztof Mateja and Maik Gude
A vertical take-off and landing (VTOL) is a type of unmanned aerial vehicle (UAV) that allows for flight in harsh weather for surveillance and access to remote areas. VTOL can be performed without a runway. As such, VOTL UAVs are used in areas where ther...
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Vladimir Beliaev, Nadezhda Kunicina, Anastasija Ziravecka, Martins Bisenieks, Roberts Grants and Antons Patlins
This article represents and compares two control systems for a vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV): a sliding proportional?integral?derivative (PID) controller and an adaptive L1 controller. The goal is to design a high-perf...
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Huiling Li and Kun Liu
In order to reduce the dependence on fossil fuels, the concept of distributed electric propulsion (DEP) has been introduced. At present, there are a few studies on the small electric propulsion engines of DEP vertical take-off and landing (VTOL) UAVs. Ac...
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Muhammad Baber Sial, Yuwei Zhang, Shaoping Wang, Sara Ali, Xinjiang Wang, Xinyu Yang, Zirui Liao and Zunheng Yang
Most of the recent research on distributed formation control of unmanned aerial vehicle (UAV) swarms is founded on position, distance, and displacement-based approaches; however, a very promising approach, i.e., bearing-based formation control, is still ...
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Daniel Aláez, Xabier Olaz, Manuel Prieto, Pablo Porcellinis and Jesús Villadangos
With the increasing popularity of vertical take-off and landing unmanned aerial vehicles (VTOL UAVs), a new problem arises: pilot training. Most conventional pilot training simulators are designed for full-scale aircrafts, while most UAV simulators are j...
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Jae-Hyun An, Do-Youn Kwon, Kwon-Su Jeon, Maxim Tyan and Jae-Woo Lee
A critical drawback of battery-powered eVTOL UAVs is their limited range and endurance, and this drawback could be solved by using a combination of hydrogen fuel cells and batteries. The objective of this paper is to develop a sizing methodology for the ...
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Jianan Zong, Bingjie Zhu, Zhongxi Hou, Xixiang Yang and Jiaqi Zhai
Electric propulsion technology has attracted much attention in the aviation industry at present. It has the advantages of environmental protection, safety, low noise, and high design freedom. An important research branch of electric propulsion aircraft i...
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Liyang Wang, Gaurav Misra and Xiaoli Bai
Wind speed estimation for rotary-wing vertical take-off and landing (VTOL) UAVs is challenging due to the low accuracy of airspeed sensors, which can be severely affected by the rotor?s down-wash effect. Unlike traditional aerodynamic modeling solutions,...
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