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

147
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...
147
Controller Configurations01:22

Controller Configurations

128
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...
128
Open and closed-loop control systems01:17

Open and closed-loop control systems

828
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...
828
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

290
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
290
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

133
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...
133
Multimachine Stability01:25

Multimachine Stability

198
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
198

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

Three-dimensional continuous picking path planning based on ant colony optimization algorithm.

PloS one·2023
Same author

Performance evaluation for the domain decomposition method in nonlinear vibration of the composite hard-coating cylindrical shell.

Science progress·2023
Same author

Free vibration and damping analysis of the cylindrical shell partially covered with equidistant multi-ring hard coating based on a unified Jacobi-Ritz method.

Science progress·2021
Same author

Noninvasive measurement of renal oxygen extraction fraction under the influence of respiratory challenge.

Journal of magnetic resonance imaging : JMRI·2016
Same author

MicroRNA-103 suppresses tumor cell proliferation by targeting PDCD10 in prostate cancer.

The Prostate·2016
Same author

Clear cell carcinoma arising in previous episiotomy scar: a case report and review of the literature.

Journal of ovarian research·2016

相关实验视频

Updated: Jul 26, 2025

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

13.8K

基于非单元快速终端滑动模式控制的多发动机位置同步控制方法.

Chun-Yang Lan1, He Wang1, Xin Deng2

  • 1School of Mechanical Engineering and Automation, University of Science and Technology Liaoning, Anshan, China.

PloS one
|June 15, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了多发动机系统的新控制方法,增强了位置同步. 非单元快速终端滑动模式控制 (NFTSMC) 与改进的偏差合控制 (IDCC) 显著减少同步错误并改善干扰排斥.

更多相关视频

Method to Measure Tone of Axial and Proximal Muscle
10:41

Method to Measure Tone of Axial and Proximal Muscle

Published on: December 14, 2011

17.6K
A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
06:58

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

Published on: November 6, 2015

9.5K

相关实验视频

Last Updated: Jul 26, 2025

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

13.8K
Method to Measure Tone of Axial and Proximal Muscle
10:41

Method to Measure Tone of Axial and Proximal Muscle

Published on: December 14, 2011

17.6K
A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
06:58

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

Published on: November 6, 2015

9.5K

科学领域:

  • 控制系统工程 控制系统工程
  • 机器人技术 机器人技术 机器人技术
  • 电气工程 电气工程

背景情况:

  • 在多发动机系统中实现高精度位置同步对于复杂的工业应用至关重要.
  • 现有的控制方法如SMC,FTSMC,RCC和DCC在准确性和干扰排斥方面存在局限性.

研究的目的:

  • 开发和验证一种新的多发动机位置同步控制方法.
  • 为了提高多个电机之间的合和同步性能.
  • 为了提高整体控制的准确性和对干扰的稳定性.

主要方法:

  • 用于永久磁同步电机 (PMSM) 的非单元快速终端滑动模式表面的滑动模式控制器的设计.
  • 改进了偏差合结构,以加强发动机间的合,以实现精确的同步.
  • 对拟议的NFTSMC+IDCC方法与传统的SMC,FTSMC,RCC和DCC进行基于模拟的验证.

主要成果:

  • 通过NFTSMC+IDCC方法,实现了0.553r的多发动机位置同步总误差.
  • 与SMC相比,速度误差减少了2.873r,与FTSMC相比减少了1.772r.
  • 与SMC相比,反干扰性能提高了83.68%,与FTSMC相比提高了76.22%.
  • 改进的结构保持了不同速度的低同步误差 (0.56r-0.58r),优于RCC和DCC.

结论:

  • 拟议的NFTSMC+IDCC方法显著提高了多发动机位置同步性能.
  • 控制策略可以减少位移错误,并在干扰后更快地趋同.
  • 这种方法提高了控制系统的整体性能和稳定性.