Dynamic Simulation of Tilted Rotor Quadcopter

Abstract

Application of quadcopter unmanned aerial vehicle (UAV) has already become common today. As the name suggests, quadcopter has four rotors and these rotors can be classified into two types: fixed and tilted rotors. The maneuvering of quadcopter using the fixed rotor is achieved through the thrust differential. On contrary, a tilted rotor can be rotated or tilted and the resultant thrust component will move the quadcopter longitudinally. In this study, the dynamic behavior of HMF SL300 tiltrotor quadcopter is analyzed through simulation. The study is limited to longitudinal behavior of the HMF SL300 tiltrotor quadcopter in z- and x-axis. A Simulink model has been developed based on the longitudinal dynamic model of the quadcopter and acceleration, velocity and displacement of the quadcopter in z- and x-axis when the tilt angle is varied are presented. Based on the findings from the simulation, it can be concluded that the higher the tilt angle, the higher the rate of motion in x-axis but the lower the rate of motion in z-axis.