Bilinear Modelling and Attitude Control of a Quadrotor

Design of Attitude Control System for Quadrotor

Quadrotor is a widely used aircraft now and be with the nonlinear, uncertain characteristics. Because of requirement on high attitude stability the attitude control system of quadrotor needs to be well designed. Firstly the movement pattern and working principle of the quadrotor are analyzed. Then the hardware schematic diagram of attitude control system is designed which includes several senso...

Robust Control of a Quadrotor

In this paper, a robust tracking control method for automatic take-off and trajectory tracking of a quadrotor helicopter is presented. The designed controller includes two parts: a position controller and an attitude controller. The attitude controller is designed by using the sliding mode control (SMC) method to track the desired pitch and roll angles, which are the output of position controll...

Estimation and Control of a Tilt-Quadrotor Attitude

The aim of the present work is to continue the development of the prototype ALIV3, focusing on the estimation and control of the attitude. First the differences in motion and configurations of a tilt-quadrotor in relation with a common quadrotor are explained. The mass properties and actuators of the prototype are measured through tests specially developed. In the identification of the motors t...

A numerical approach for attitude control of a quadrotor

This paper deals with a numerical approach to control aggressive maneuvers of a multi-rotor aerial vehicle. The proposed controller uses an approximate tabulated one-step time discretization of the state-space model to find out the outputs of controller. It objective is to minimize the distance between the plant output and a linear well chosen closed loop system used as reference, leading the s...

Improving Attitude Estimation and Control of Quadrotor Systems