基于复杂海洋条件下的实时航行数据,同时建模和倒退控制算法,用于跟踪未准确的USV的轨迹
Zaopeng Dong1, Sihang Lu2, Zhihao Hu2
1Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education, Wuhan University of Technology, China; Department of Mechanical Engineering, University College London, London, UK; School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, China.
这项研究引入了一种新的方法,使无人水面船 (USV) 能够在充满挑战的海上准确地遵循路径. 它使用先进的建模和控制技术来实现可靠的导航.
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
- 海洋自主系统 海洋自主系统
背景情况:
- 由于复杂的海洋动态,无人驾驶水面船 (USV) 在轨迹跟踪方面面临挑战.
- 像Fossen模型这样的传统模型可能无法完全捕捉到USV机动的复杂性.
- 准确的参数识别对于有效的USV控制系统设计至关重要.
研究的目的:
- 开发一个高精度的机动运动组 (MMG) 模型,用于低精度的USV.
- 提出一种新的多创新最小平方 (MILS) 算法,用于准确在线识别USV模型参数.
- 设计一个强大的后退控制算法,通过非线性复合干扰观察器来增强.
主要方法:
- 为无人潜艇建立了一个高精度的机动运动组 (MMG) 模型.
- 开发了一种多创新最小平方 (MILS) 算法,用于在线参数识别,使用实时数据.
- 引入虚拟点位置和中间状态以简化后退控制器设计.
- 设计了一个非线性复合干扰观察器,以减轻建模错误和海洋干扰.
主要成果:
- MILS算法在从实时数据中识别USV模型参数方面取得了高准确性.
- 拟议的后退控制算法,结合干扰观察员,证明了增强的稳定性和稳定性.
- 模拟实验验证了开发的轨迹跟踪方法的有效性和可靠性,用于未经调节的USVs.
结论:
- 新的MMG模型和MILS识别算法提供了更准确的USV动态表示.
- 综合控制战略有效地解决了复杂海洋环境中的轨迹跟踪挑战.
- 拟议的方法提供了一个可靠的解决方案,用于自主导航的USVs.
更多相关视频
09:22Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA
Published on: October 31, 2011
16:01An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
Published on: September 24, 2017
相关概念视频
Buoyancy and Stability for Submerged and Floating Bodies
Relative Motion Analysis using Rotating Axes-Problem Solving
Here, in order to determine the magnitude of velocity and acceleration for point...
Kinematic Equations: Problem Solving
Open and closed-loop control systems
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
One-Degree-of-Freedom System
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
Absolute Motion Analysis- General Plane Motion
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
