四旋翼无人机的轨迹跟踪和形成控制基于经过修改的超扭转滑动模式方法
Jingxin Dou1, Yingliang Wu2, Dongwu Xie2
1School of Mechanical & Electrical Engineering, Putian University, Putian, 351100, PR China. doujingxin@163.com.
Scientific reports
|July 5, 2025
概括
这项研究引入了四旋翼无人机的新控制系统,增强了它们追踪路径和形成飞行能力,尽管存在干扰. 先进的控制器提高了速度和准确性,超过了传统方法.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 航空航天工程 航空航天工程
- 人工智能的人工智能
背景情况:
- 四旋翼无人机 (UAV) 由于复杂的干扰,在轨迹跟踪和形成飞行方面面临挑战.
- 现有的控制方法在动态环境中可能缺乏稳定性和速度.
研究的目的:
- 为四旋翼无人机开发先进的控制策略,确保可靠的轨迹跟踪和稳定的形成飞行.
- 为了增强干扰排斥能力和提高系统响应速度.
主要方法:
- 一个非单元终端超扭转滑动模式 (NSTSTSM) 控制器的设计,用于位置和态度子系统.
- 整合有限时间干扰观察器以提高稳定性.
- 实施一个修改后的STSM控制器用于飞行员跟随者组成控制.
主要成果:
- 该NSTSTSM控制器在1.2秒内实现了轨迹跟踪趋同,比传统方法快20%,稳定状态误差小于0.0003m (50%的减少).
- 形成控制方案在5秒内收,稳定状态误差低于0.01米,证明了快速准确的形成建立.
- 拟议的控制策略显著改善了干扰排斥和系统稳定性.
结论:
- 开发的NSTSTSM和修改的STSM控制方案提供了有效的解决方案,用于在四旋翼无人机中强大的轨迹跟踪和形成飞行.
- 有限时间干扰观察器增强了系统对外部干扰的弹性.
- 与传统方法相比,拟议的方法在趋同速度和稳定状态误差方面提供了更高的性能.
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