Trajectory tracking control for quadrotor UAV based on extended state observer and backstepping sliding mode

doi:10.11772/j.issn.1001-9081.2018010026

Journal of Computer Applications ›› 2018, Vol. 38 ›› Issue (9): 2742-2746.DOI: 10.11772/j.issn.1001-9081.2018010026

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Trajectory tracking control for quadrotor UAV based on extended state observer and backstepping sliding mode

ZHANG Jianyang¹, YU Chunmei^1,2, YE Jianxiao¹

1. School of Information Engineering, Southwest University of Science and Technology, Mianyang Sichuan 621000, China;
2. Robot Technology Used for Special Environment Key Laboratory of Sichuan Province(Southwest University of Science and Technology), Mianyang Sichuan 621000, China

Received:2018-01-05 Revised:2018-03-04 Online:2018-09-10 Published:2018-09-06
Contact: 于春梅
Supported by:
This work is partially supported by the Project of Industry-University Cooperation by Ministry of Education (201601019005), the Open-funded Project of Robot Technology Used for Special Enviroment Key Laboratory of Sichuan Province (13zxtk06).

基于扩张状态观测器和反步滑模法的四旋翼无人机轨迹跟踪控制

张建扬¹, 于春梅^1,2, 叶剑晓¹

1. 西南科技大学信息工程学院, 四川绵阳 621000;
2. 特殊环境机器人技术四川省重点实验室(西南科技大学), 四川绵阳 621000

通讯作者: 于春梅
作者简介:张建扬(1993—),男,江苏泰州人,硕士研究生,主要研究方向:四旋翼无人机控制算法;于春梅(1970—),女,江苏如皋人,教授,博士,主要研究方向:故障诊断、模式识别、机器人控制;叶剑晓(1993—),男,四川成都人,硕士研究生,主要研究方向:四旋翼无人机控制算法。
基金资助:
教育部产学合作协同育人项目（201601019005）；特殊环境机器人技术四川省重点实验室开放基金资助项目（13zxtk06）。

Abstract

Abstract: To solve the problems of external disturbances and the uncertainty of system model parameters for the underactuated quadrotor Unmanned Aerial Vehicle (UAV) existing in actual flight, a flight control scheme based on Extended State Observer (ESO) and integral backstepping sliding mode was designed. Firstly, according to the semi-coupling characteristics and the strict feedback architecture of system, a backstepping control was adopted to design the attitude inner loop and the position outer loop controllers. Then, a sliding mode algorithm with strong anti-jamming ability and integral control were incorporated to enhance system robustness and reduce static error respectively. Finally, ESO was used to eliminate the total internal and external disturbances and to compensate the interference in the control law online. The closed-loop control system was proven to be globally asymptotically stable by the Lyapunov stability analysis. In addition, the effectiveness and robustness of the proposed flight control scheme were verified through simulation analysis.

Key words: underactuated, quadrotor Unmanned Aerial Vehicle (UAV), Extended State Observer (ESO), anti-interference, integral backstepping sliding mode control

摘要： 为了解决欠驱动四旋翼无人机（UAV）在实际飞行中存在的外界干扰问题，同时提高在系统参数摄动情况下的精确轨迹跟踪效果，设计了一种基于扩张状态观测器（ESO）和积分型反步滑模算法的飞行控制策略。首先，根据系统的半耦合特性和严反馈结构特点，采用反步法设计姿态内环和位置外环控制器；然后，将抗干扰能力较强的滑模控制融入其中，使得系统的鲁棒性得到增强；接着，为了减小系统的稳态误差，引入积分环节；最后，利用ESO实时估算出系统的内、外总扰动并对控制量进行补偿。通过Lyapunov稳定判据，可以说明该系统是一个全局渐进稳定的系统，并通过仿真分析验证了所提控制方法的有效性和鲁棒性。

关键词: 欠驱动, 四旋翼无人机, 扩张状态观测器, 干扰抑制, 积分型反步滑模控制

CLC Number:

TP273.2

ZHANG Jianyang, YU Chunmei, YE Jianxiao. Trajectory tracking control for quadrotor UAV based on extended state observer and backstepping sliding mode[J]. Journal of Computer Applications, 2018, 38(9): 2742-2746.

张建扬, 于春梅, 叶剑晓. 基于扩张状态观测器和反步滑模法的四旋翼无人机轨迹跟踪控制[J]. 计算机应用, 2018, 38(9): 2742-2746.

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Trajectory tracking control for quadrotor UAV based on extended state observer and backstepping sliding mode

基于扩张状态观测器和反步滑模法的四旋翼无人机轨迹跟踪控制

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