Recham, Zine EddineAmrouche, HafidBoushaki, Razika (supervisor)2023-10-042023-10-042021https://dspace.univ-boumerdes.dz/handle/123456789/1211950 p.In order to fix the issue of precise trajectory tracking control for a quadrotor in the influence of environmental disturbance and system model parameter uncertainty, three control techniques were developed to control the quadrotor’s altitude, heading and position in space; the Proportional-Integral-Derivative or PID controller, the sliding mode controller and the backstepping controller. Simulation based experiments have been performed using MATLAB/SIMULINK to evaluate and compare between the three developed techniques in terms of dynamic performances, stability and disturbance effects.Quadrotor modelingPID controllerbackstepping controllerThesis