基于观察者的事件触发的递归最佳跟踪控制,用于一类严格反非线性系统.
1School of Information Engineering, Xuzhou University of Technology, Lishui Road 2, Xuzhou, China.
ISA transactions
|November 22, 2023
概括
本研究介绍了一种事件触发的最佳跟踪控制算法,用于具有未知动态和输入和的非线性系统. 这种创新方法提高了系统可靠性,并通过使用基于神经网络的状态观察器和混合触发控制器来减少数据传输.
科学领域:
- 控制系统工程 控制系统工程
- 非线性动力学是一种非线性动力学.
- 人工智能的人工智能
背景情况:
- 具有未知动态的严格反非线性系统带来了重大的控制挑战.
- 输入和和减少传感器配置的需要需要先进的控制策略.
- 现有的观察员-控制器框架往往缺乏直接合,影响性能.
研究的目的:
- 为输入和非线性系统提出一个创新的事件触发的最佳跟踪控制算法.
- 开发基于神经网络的自适应状态观察器,用于状态重建,减少传感器要求.
- 设计一个混合触发控制器,尽量减少成本功能,同时减少数据传输.
主要方法:
- 基于神经网络 (NN) 的自适应状态观察器被开发用于状态估计.
- 一个混合触发的前控制器将跟踪问题转化为监管问题.
- 设计了一个由事件触发的最佳控制器,加上使用多个错误的以同步为导向的触发规则.
- 利亚普诺夫理论被用来保证收性质.
主要成果:
- 拟议的控制方案有效地将预定义的成本函数最小化.
- 通过事件触发机制实现了数据传输的显著减少.
- 控制策略确保精确的状态估计和跟踪控制,即使输入和.
- 结合的观察者控制器设计显示了比单独的框架更好的性能.
结论:
- 开发的事件触发最佳跟踪控制算法对具有未知动态和输入和度的非线性系统有效.
- 基于神经网络的观察员和混合触发控制器的集成提高了系统的可靠性和效率.
- 拟议的方法为控制设计提供了一种新的方法,确保精确的状态估计和跟踪控制,减少数据交换.
更多相关视频
09:01Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques
Published on: April 4, 2017
8.7K
10:51An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
Published on: March 10, 2011
13.8K
相关概念视频
01:26Feedback control systems
317
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
317
01:10Control Systems
1.2K
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...
1.2K
01:23Root Loci for Positive-Feedback Systems
124
The Hartley oscillator is a positive feedback system that sustains oscillations by feeding the output back to the input in phase, thereby reinforcing the signal. Positive feedback systems can be viewed as negative feedback systems with inverted feedback signals. In these systems, the root locus encompasses all points on the s-plane where the angle of the system transfer function equals 360 degrees.
The construction rules for the root locus in positive feedback systems are similar to those in...
The construction rules for the root locus in positive feedback systems are similar to those in...
124
01:21Control System Problem
119
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
119
01:24Effects of feedback
572
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
572
01:17Open and closed-loop control systems
761
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...
761