基于采样数据控制的动态定位系统的豪华邮轮的设计和稳定分析
1Arts and Design College, Jimei University, Jimei, Xiamen 361021, China.
Mathematical biosciences and engineering : MBE
|September 7, 2023
概括
本研究提出了一种新的采样数据控制方法,用于使用动态定位系统 (DPS) 的豪华游轮 (LC). 该方法通过改进的Lyapunov-Krasovskii函数来增强稳定性分析,确保更安全的海上运营.
科学领域:
- 海洋工程 海洋工程
- 控制系统理论 控制系统理论
- 应用数学 应用数学 应用数学
背景情况:
- 动态定位系统 (DPS) 对于保持豪华邮轮 (LC) 位置至关重要.
- 采样数据控制在稳定性分析中存在挑战,原因是时间间隔离散.
- 现有的方法可能会在这些系统的稳定性标准上表现为保守.
研究的目的:
- 为DPS的豪华邮轮开发一种新的采样数据控制策略.
- 为了提高采样数据控制系统的稳定性分析的准确性和减少保守主义.
- 为豪华邮轮设计一个强大的控制器,使用动态定位操作.
主要方法:
- 为豪华邮轮及其动态定位系统建立了一个数学模型.
- 通过结合新的术语,构建了一个改进的依赖时间的利亚普诺夫-克拉索夫斯基函数 (LKF).
- 一个新的稳定性标准是基于增强的LKF来完全捕捉采样模式.
主要成果:
- 提出的方法有效地将采样模式纳入稳定性分析中.
- 与现有方法相比,在稳定性标准中实现的保守性较小.
- 设计了一个有效和适用的样本数据控制器,用于DPS的豪华游轮.
结论:
- 开发的基于函数的Lyapunov-Krasovskii方法为采样数据控制提供了一个不那么保守的稳定性标准.
- 建议的控制策略是有效的,适用于具有动态定位系统的豪华游轮.
- 这项研究有助于提高海上自主系统的安全性和性能.
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