基于ESO的非单元终端过式整体滑动模式,用于无人驾驶水面船只的后退控制
Jianping Yuan1,2,3,4, Zhuohui Chai1, Qingdong Chen1
1Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524091, China.
Sensors (Basel, Switzerland)
|January 25, 2025
概括
本研究介绍了无人水面船 (USV) 的新控制策略,以加强复杂环境中的航向控制. 先进的方法提高了稳定性和跟踪精度,使USV更可靠.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 海洋工程 海洋工程
- 应用数学 应用数学 应用数学
背景情况:
- 无人驾驶水面飞船 (USV) 在动态环境中面临着重大控制挑战,原因是非线性,参数不确定性和外部干扰.
- 现有的控制策略往往在复杂的海洋环境中难以保持稳定性和精确的轨迹跟踪.
研究的目的:
- 为USVs开发一个先进的非单元终端集成滑动模式控制策略.
- 增强在具有挑战性的条件下USV的航向控制,适应能力和防干扰能力.
- 提高USV控制系统的工程可行性和可靠性.
主要方法:
- 使用第三级线性扩展状态观察器 (ESO) 来估计总系统干扰.
- 设计了一个后退的滑动模式控制器,包含一个非单元终端集成的滑动模式表面,具有双功率收定律.
- 采用二级滑动模式过器,以减轻传统后退方法固有的差异性爆炸问题.
主要成果:
- 与传统的线性倒退滑动模式控制相比,拟议的控制算法展示了优越的融合速度和适应能力.
- 观察到增强的抗干扰性能,对于在复杂和不可预测的环境中保持控制至关重要.
- 模拟结果验证了新型控制策略的有效性和改进的工程可行性.
结论:
- 基于ESO的非单元终端集成滑动模式控制策略为USVs的精确方向控制和路径跟踪提供了更有效和可靠的解决方案.
- 这种方法在复杂和动态的海洋环境中显著提高了USV性能.
- 这些发现有助于自主海洋导航和控制技术的进步.
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