A Review on Vertical Take-Off and Landing (VTOL) Tilt-Rotor and Tilt Wing Unmanned Aerial Vehicles (UAVs)

Table 4

Modeling, design, and analysis done by various teams.

Team	Innovation carried	Software/technique used	Remarks
N Amiri	Simulations to find pitch and yaw moments	CFD, propulsion, and sensors	The lift fan OAT mechanism has the capability of being efficient, providing high cruise speed and high manoeuvrability
Mahmoud Elfeky	A new concept of quad-rotor design with four rotors and each rotor having two axes of tilt	Prototype was tested	The mechanism gives a big boost to the manoeuvrability and agility of the quadcopter and enhances the fault tolerance of the UAV
Duc Anh Ta	Tilt tri-UAV configuration	Newton–Euler equations combined with an aerodynamic formula for a mathematical model	Demonstrated a basic control strategy and how it can achieve a longitudinal path
Muhammad R	Analysis of flight dynamics and tilt-rotor in a VTOL aircraft during the transition stage	MATLAB Simulink software	Further need for corrections and improvements to the dynamic model
D.F. Finger	A supplementary electric propulsion system	Prototype was tested	Demonstrates the various sizing possibilities depending upon the configuration requirements