An Environment for Hardware-in-the-Loop Formation Navigation and Control

2004 ◽  
Author(s):  
R. Burns ◽  
B. Naasz ◽  
D. Gaylor ◽  
J. Higinbotham
Keyword(s):  
Hardware In The Loop ◽  
Loop Formation ◽  
Navigation And Control ◽  
And Control

scholarly journals Guidance, Navigation, and Control for Fixed-Wing UAV

2021 ◽  
Vol 2021 ◽  
pp. 1-18
Author(s):  
Amber Israr ◽  
Eman H. Alkhammash ◽  
Myriam Hadjouni
Keyword(s):  
Flight Control ◽  
Control Algorithm ◽  
Control Mechanism ◽  
Processing System ◽  
Hardware In The Loop ◽  
Rotor Speed ◽  
Factors Affecting ◽  
Guidance And Control ◽  
Navigation And Control ◽  
And Control

The purpose of this paper is to develop a fixed-wing aircraft that has the abilities of both vertical take-off (VTOL) and a fixed-wing aircraft. To achieve this goal, a prototype of a fixed-wing gyroplane with two propellers is developed and a rotor can maneuver like a drone and also has the ability of vertical take-off and landing similar to a helicopter. This study provides guidance, navigation, and control algorithm for the gyrocopter. Firstly, this study describes the dynamics of the fixed-wing aircraft and its control inputs, i.e., throttle, blade pitch, and thrust vectors. Secondly, the inflow velocity, the forces acting on the rotor blade, and the factors affecting the rotor speed are analyzed. Afterward, the mathematical models of the rotor, dual engines, wings, and vertical and horizontal tails are presented. Later, the flight control strategy using a global processing system (GPS) module is designed. The parameters that are examined are attitude, speed, altitude, turn, and take-off control. Lastly, hardware in the loop (HWIL) based simulations proves the effectiveness and robustness of the navigation guidance and control mechanism. The simulations confirm that the proposed novel mechanism is robust and satisfies mission requirements. The gyrocopter remains stable during the whole flight and maneuvers the designated path efficiently.

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