基于神经网络的自适应滑动模式控制,用于切换具有马尔科夫跳转参数的分布式延迟系统
Baoping Jiang1, Hamid Reza Karimi2, Xin Zhang3
1School of Electronic and Information Engineering, Suzhou University of Science and Technology, Suzhou, China; Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy.
概括
本研究介绍了基于观察者的自适应滑动模式控制,用于具有切换和随机跳跃的复杂延迟系统. 新型神经网络方法确保了有限时间的稳定性,即使在未知的系统动态.
科学领域:
- 控制系统工程 控制系统工程
- 应用数学 应用数学 应用数学
- 人工智能的人工智能
背景情况:
- 分布式延迟系统在现实应用中很常见,但难以控制.
- 具有决定性切换和随机跳跃的系统表现出复杂的动态.
- 现有的控制方法经常与未知的参数和非线性作斗争.
研究的目的:
- 为分布式延迟系统开发基于观察者的自适应滑动模式控制策略.
- 用于处理具有同时确定性切换和随机跳跃过程的系统.
- 增强对未知的系统非线性和过渡率的稳定性.
主要方法:
- 设计一个Lebesgue观察器用于状态估计.
- 一个整体形状的滑动模式超平面的制定.
- 开发一种用于有限时间滑动运动的新型自适应动态控制器.
- 集成基于观察者的神经补偿器用于非线性衰减.
- 应用平均停留时间方法进行稳定性分析.
主要成果:
- 滑动运动的有限时间存在是保证的,即使有未知的模式信息.
- 拟议的自适应控制器有效地处理未知的过渡率.
- 神经补偿器成功地减轻了未知的非线性.
- 使用平均停留时间方法证明了平均平方指数稳定性.
- 通过实践示例验证证实了该方法的有效性.
结论:
- 拟议的基于观察者的自适应滑动模式控制对复杂的延迟系统有效.
- 该方法在具有挑战性的条件下提供了稳定性和有限时间稳定性.
- 这种方法为控制具有切换和随机性的系统提供了一个统一的框架.
更多相关视频
06:45Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
Published on: October 28, 2022
1.7K
06:04Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
Published on: February 14, 2025
515
相关概念视频
01:17Open and closed-loop control systems
824
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...
824
01:26PD Controller: Design
291
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
291
01:26Feedback control systems
350
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...
350
01:21Transfer Function in Control Systems
599
The transfer function is a fundamental concept in the analysis and design of linear time-invariant (LTI) systems. It offers a concise way to understand how a system responds to different inputs in the frequency domain. It serves as a bridge between the time-domain differential equations that describe system dynamics and the frequency-domain representation that facilitates easier manipulation and analysis.
To derive the transfer function, consider a general nth-order linear time-invariant...
To derive the transfer function, consider a general nth-order linear time-invariant...
599
01:30Current Growth And Decay In RL Circuits
3.9K
The current growth and decay in RL circuits can be understood by considering a series RL circuit consisting of a resistor, an inductor, a constant source of emf, and two switches. When the first switch is closed, the circuit is equivalent to a single-loop circuit consisting of a resistor and an inductor connected to a source of emf. In this case, the source of emf produces a current in the circuit. If there were no self-inductance in the circuit, the current would rise immediately to a steady...
3.9K
01:22Multi-input and Multi-variable systems
132
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...
132