在旋转器故障下对四旋翼无人机进行非线性控制,以实现强大的轨迹跟踪
Ashutosh Simha1, Leszek Ambroziak2
1Flight Dynamics and Control Division, Kadet Defense Systems, 89/2 Rampura, Bangalore, 560049, India.
Scientific reports
|November 26, 2025
概括
这项研究为四旋翼无人机 (UAV) 引入了一种新型的控制规律,即使单个旋翼故障,也可以实现轨迹跟踪. 几何控制设计允许仅用三个旋转器进行积极的机动.
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
- 无人驾驶飞行器 (UAV) 是一种无人驾驶飞行器.
背景情况:
- 四旋翼无人机 (UAV) 容易发生旋翼故障,这可能导致失控.
- 现有的控制策略往往在轮子完全故障后难以保持稳定性和轨迹跟踪.
研究的目的:
- 为能够处理单旋转机故障的四旋转机制定轨迹跟踪控制规律.
- 为了使四旋翼机能够保持方向和位置控制,只使用三个旋转机.
主要方法:
- 实施了一种两阶段的控制设计方法,使用对立场动态的Lie组SO ((3) 的几何控制来实现.
- 控制器扩展到SE(3) 具有基于和的反定律,用于质量中心位置跟踪.
- 控制定律是为了减少状态空间而设计的,不包括垂直轴角速度和方向.
主要成果:
- 拟议的控制法实现了单个旋转器故障的四旋转机的几乎全球指数追踪.
- 控制器使四旋翼能够使用仅三个旋转器来跟踪方向和位置轨迹.
- 数字模拟和初步实验测试证明了控制器在攻击性机动和故障后场景中的有效性.
结论:
- 新型的几何控制设计为四旋翼轨迹跟踪提供了强大的解决方案,尽管单旋翼完全失效.
- 这种方法提高了无人驾驶飞行器在具有挑战性的条件下的弹性和操作能力.
- 该研究通过模拟和现实世界的实验来验证控制设计的实际适用性.
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