相关实验视频
Updated: Sep 10, 2025

08:28
Monitoring the Wall Mechanics During Stent Deployment in a Vessel
Published on: May 8, 2012
9.3K
具有干扰和延迟全状态约束的水面船系统的跟踪控制
Liqiang Yao1, Shaojun Xu1, Mingyue Cui1
1School of Mathematics and Information Sciences, Yantai University, Shandong Province, Yantai, 264005, China..
ISA transactions
|August 23, 2025
概括
本研究提出了面船系统面临未知的干扰和延迟状态约束的新控制策略. 连续控制器和动态事件触发机制提高了跟踪性能和系统稳定性,同时减少了控制器更新.
科学领域:
- 海洋工程
- 控制系统理论
- 机器人技术
背景情况:
- 表面容器系统容易受到未知的干扰和复杂的状态限制.
- 现有的控制方法往往难以平衡跟踪性能和约束满意度.
- 推迟的全州制约在实现强有力的控制方面带来了重大挑战.
研究的目的:
- 为水面船只系统开发先进的跟踪控制策略.
- 有效地解决未知的干扰和推迟的完整状态约束.
- 通过减少数据传输和控制器更新来提高控制系统的效率.
主要方法:
- 一个具有非负时间变异增益 (κ≥0) 的连续控制器被设计为实现无征兆 (κ>0) 或实用 (κ=0) 追踪.
- 引入了一个新的动态事件触发机制以优化控制器执行频率.
- 对闭环系统进行稳定性分析以验证控制的有效性.
主要成果:
- 拟议的连续控制器在推迟全状态约束下保证了闭环系统的稳定性.
- 动态事件触发机制显著减少控制器更新而不会牺牲控制性能.
- 开发的控制方案通过说明性结果证明了可行性和有效性.
结论:
- 这项研究成功地为具有挑战性的水面船只引入了强大的跟踪控制.
- 新的动态事件触发方法为现有方法提供了更有效的替代方案.
- 这些发现有助于自主船舶控制系统的进步.
相关概念视频
Uniform Depth Channel Flow: Problem Solving
125
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
125
Control Volume and System Representations
1.2K
Two key frameworks are employed to analyze mass, energy, and momentum transfer: the control volume approach and the system approach. These frameworks offer different perspectives, depending on whether the focus is on a specific region in space (control volume approach) or a defined mass of fluid (system approach).
The control volume approach considers a stationary region in space through which fluid flows. This region is bounded by a control surface. For instance, in the case of water...
The control volume approach considers a stationary region in space through which fluid flows. This region is bounded by a control surface. For instance, in the case of water...
1.2K
Multi-input and Multi-variable systems
149
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
149
Control Systems
1.4K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.4K
Controller Configurations
149
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
149
Open and closed-loop control systems
993
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
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...
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...
993

