Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

78
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
78
Linear Approximation in Time Domain01:21

Linear Approximation in Time Domain

59
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
59
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

84
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
84
Feedback control systems01:26

Feedback control systems

268
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...
268
Control Systems01:10

Control Systems

1.0K
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...
1.0K
PD Controller: Design01:26

PD Controller: Design

167
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,...
167

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Lung-Protective Ventilation Strategies for Relief from Ventilator-Associated Lung Injury in Patients Undergoing Craniotomy: A Bicenter Randomized, Parallel, and Controlled Trial.

Oxidative medicine and cellular longevity·2017
Same author

Electrochemical Oxidation of EDTA in Nuclear Wastewater Using Platinum Supported on Activated Carbon Fibers.

International journal of environmental research and public health·2017
Same author

Novel biomimetic enzyme for sensitive detection of superoxide anions.

Talanta·2017
Same author

The Expression of Formyl Peptide Receptor 1 is Correlated with Tumor Invasion of Human Colorectal Cancer.

Scientific reports·2017
Same author

An excited state underlies gene regulation of a transcriptional riboswitch.

Nature chemical biology·2017
Same author

(-)-Epigallocatechin-3-gallate attenuates myocardial injury induced by ischemia/reperfusion in diabetic rats and in H9c2 cells under hyperglycemic conditions.

International journal of molecular medicine·2017

相关实验视频

Updated: May 24, 2025

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

4.3K

通过自适应动态编程,对非线性系统进行自我触发的近似最佳神经控制.

Bo Zhao, Shunchao Zhang, Derong Liu

    IEEE transactions on neural networks and learning systems
    |March 5, 2025
    PubMed
    概括
    此摘要是机器生成的。

    这项研究介绍了一种新的自触发的近似最佳神经控制方案,用于使用自适应动态编程 (ADP) 的非线性系统. 该方法通过减少计算和通信需求,同时确保系统稳定性来提高效率.

    更多相关视频

    An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
    10:51

    An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces

    Published on: March 10, 2011

    13.7K
    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
    08:18

    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control

    Published on: August 15, 2020

    4.9K

    相关实验视频

    Last Updated: May 24, 2025

    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
    11:54

    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

    Published on: May 8, 2021

    4.3K
    An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
    10:51

    An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces

    Published on: March 10, 2011

    13.7K
    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
    08:18

    WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control

    Published on: August 15, 2020

    4.9K

    科学领域:

    • 控制系统工程 控制系统工程
    • 人工智能的人工智能
    • 非线性动力学是一种非线性动力学.

    背景情况:

    • 非线性系统的传统最佳控制方法经常面临计算挑战和高通信需求.
    • 适应动态编程 (ADP) 提供了一个强大的框架,通过接近最佳政策来解决复杂的控制问题.
    • 在现代工程应用中,需要有效的控制策略来最大限度地减少资源消耗,这一点至关重要.

    研究的目的:

    • 为非线性系统开发一种新型的自我触发的近似最佳神经控制方案.
    • 为了减少控制系统中的计算负载,通信带宽和能源消耗.
    • 确保闭环非线性系统的稳定性和性能.

    主要方法:

    • 利用自适应动态编程 (ADP) 通过关键神经网络近似非线性系统的成本函数.
    • 采用贝尔曼最佳性原理来间接解决最佳控制输入的汉密尔顿-雅各比-贝尔曼方程.
    • 设计了一个自我触发条件来预测控制策略更新,最大限度地减少计算和通信开销.
    • 运用利亚普诺夫的直接方法严格分析和保证系统的稳定性.

    主要成果:

    • 提出的神经控制方案有效地接近非线性系统的最佳控制输入.
    • 自动触发机制显著降低了计算,通信带宽和能源消耗.
    • 稳定性分析证实,闭环系统的最终边界是均的.
    • 对实践系统的模拟结果验证了该计划的有效性和合理性.

    结论:

    • 基于ADP的新型自我触发的近似最佳神经控制方案对非线性系统有效.
    • 这种方法在效率和资源管理方面提供了显著的优势.
    • 保证的稳定性为要求高的应用程序的实际实施提供了坚实的基础.