Title

A new sliding mode controller implementation on an autonomous quadcopter system

College

Gokongwei College of Engineering

Department/Unit

Electronics And Communications Engg

Document Type

Article

Source Title

International Journal of Automation and Smart Technology

Volume

9

Issue

2

First Page

53

Last Page

63

Publication Date

1-1-2019

Abstract

This paper introduces Sliding Mode controller, a non linear controller, for the implementation of an autonomous quadrotor platform, a non linear system. The Sliding Mode controller was applied to a PixHawk Flight Controller using the Ardupilot firmware. The simulation testing using SITL shows the effectiveness of the controller before flight. The results imply the improvement when using Sliding Mode Control in comparison to PID controller. The results show that there is a reduction in attitude error when using Sliding Mode Control in comparison with PID control in all simulation and actual hardware results . The robustness of Sliding Mode Control was also tested by adding parameter uncertainties and disturban ces to the system . In this study, the root mean square error obtained in the Sliding Mode Control is 1.546580%, 0.634243%, and 13.466256% for the roll, pitch, and yaw movements respectively, and the root mean square error obtained in the PID control is 2.5 88324%, 4.553838%, and 18.860183% for the roll, pitch, and yaw movements respectively. This shows that the quadrotor using Sliding Mode Control is less prone to attitude errors. © 2019, The Authors.

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Digitial Object Identifier (DOI)

10.5875/ausmt.v9i2.1876

Disciplines

Electrical and Computer Engineering

Keywords

Drone aircraft—Control systems; Quadrotor helicopters; Sliding mode control

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