无人水面船的有限时间路径遵循无人水面船的方案,并采用优化策略
Simeng Song1, Zhilin Liu1, Shouzheng Yuan1
1College of Intelligent Systems Science and Engineering, Harbin Engineering University, Harbin 150006, China; Key Laboratory of Intelligent Technology and Application of Marine Equipment (Harbin Engineering University), Ministry of Education, Harbin 150006, China.
ISA transactions
|February 3, 2024
概括
本研究介绍了一种针对无人水面船 (USV) 的强大的路径控制器,该控制器可以应对未知的干扰和约束. 这种新的方法确保了自主导航的更快的融合和能源效率.
科学领域:
- 海洋工程 海洋工程是指海洋工程.
- 机器人技术 机器人技术 机器人技术
- 控制系统 控制系统
背景情况:
- 无人驾驶水面飞船 (USVs) 由于未知的干扰和操作约束,在遵循路径方面面临挑战.
- 现有的控制策略经常与有限时间的融合和能源效率作斗争.
研究的目的:
- 为USVs开发一个强大的路径跟踪控制器.
- 解决未知的干扰,输入约束和节能要求.
- 为了实现交叉路径误差的有限时间收.
主要方法:
- 开发了一个USV模型,结合了一次性干扰.
- 基于有限时间理论的干扰观察器被用于准确的干扰估计.
- 设计了一个新的改进的自适应有限时间视线 (IAFTLOS) 方案.
- 非线性模型预测控制 (NMPC) 集成处理输入和变化速率约束.
- 节能策略被纳入控制器设计中.
主要成果:
- 通过IAFTLOS方案,实现了交叉路径误差的有限时间趋同.
- 一个适应性的时间变化的看距离定律增强了融合性能.
- NMPC有效地管理了输入和汇率限制.
- 集成控制器证明了对级系统的稳定控制.
- 对比模拟验证了系统的可行性和稳定性.
结论:
- 拟议的控制策略有效地解决了在复杂条件下USVs的路径跟踪问题.
- 该系统表现出增强的融合,稳定性和能源效率.
- 这项研究有助于自主海洋导航系统的进步.
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