规定的性能ADRC在速度限制下控制过道尖端的位置稳定控制
1School of Marine Electrical Engineering, Dalian Maritime University, Dalian 116026, China.
ISA transactions
|February 9, 2025
概括
这项研究引入了海上通道的新控制方法,提高了稳定性并解决了运动干扰. 这种新方法提高了通道端位置稳定 (GTPS) 的准确性,并减少了在不同海况下出现的错误.
科学领域:
- 海洋工程 海洋工程
- 控制系统理论 控制系统理论
- 机器人技术 机器人技术 机器人技术
背景情况:
- 海上通道面临船只运动,不确定性和摩擦的挑战.
- 现有的控制方法在规定的时间和速度限制下难以获得无限的收益.
研究的目的:
- 为海上通道尖端位置稳定 (GTPS) 制定强有力的控制法.
- 为了解决船舶运动引起的干扰和速度约束下的动态不确定性.
- 克服现有的规定的时间延长国家观察员 (PTESO) 的局限性.
主要方法:
- 使用错误映射函数和规定的性能函数 (PPF) 构建了一个新的规定的时间延长状态观察器 (PTESO).
- 提出了一个新的屏障功能来管理通道尖端位置稳定 (GTPS) 错误和速度限制.
- 制定了一项规定的性能控制法,将屏障功能整合到控制增益中.
主要成果:
- PTESO提供了通道状态和干扰的准确估计,并与规定的时间趋同.
- 拟议的控制法确保GTPS错误在指定的容忍范围和结算时间内趋同.
- 模拟显示,在不同的海水状态和模型参数下,GTPS错误减少了16-19%.
结论:
- 开发的控制策略有效地稳定了海上通道尖端位置,尽管存在干扰和约束.
- 与现有方法相比,创新地使用屏障函数简化了实现.
- 这种方法为离岸通道运营提供了更好的性能和稳定性.
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