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相关概念视频

Voltage Doubler Circuit01:23

Voltage Doubler Circuit

642
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
642
PD Controller: Design01:26

PD Controller: Design

276
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,...
276
Control of Power Flow01:30

Control of Power Flow

288
There are several methods to control power flow in power systems:
288
Electro-mechanical Systems01:19

Electro-mechanical Systems

1.0K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
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Phase-lead and Phase-lag Controllers01:22

Phase-lead and Phase-lag Controllers

192
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
192
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

137
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...
137

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相关实验视频

Updated: Jul 16, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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Published on: February 14, 2025

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适应神经后退终端滑动模式控制一个直流-直流转换器 Buck 转换器的控制.

Xiaoyu Gong1,2, Juntao Fei1,2

  • 1Jiangsu Key Laboratory of Power Transmission and Distribution Equipment Technology, College of Information Science and Engineering, Hohai University, Changzhou 213022, China.

Sensors (Basel, Switzerland)
|September 9, 2023
PubMed
概括

本研究介绍了DC-DC转换器的自适应后退终端滑动模式控制 (ABTSMC),使用神经网络来处理系统不确定性以提高性能.

关键词:
这是一个DC-DC逆转器.后退步骤控制控制的控制方式双重隐藏层 经常性神经网络终端滑动模式控制器的控制方式

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Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
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科学领域:

  • 电气工程 电气工程
  • 控制系统 控制系统
  • 电力电子 电力电子 电力电子

背景情况:

  • 直流-直流转换器对于电源管理至关重要.
  • 系统的不确定性和干扰会影响转换器的性能.
  • 现有的控制方法可能在收速度和稳定状态准确性方面存在局限性.

研究的目的:

  • 为DC-DC转换器提出一种新的自适应后退终端滑动模式控制 (ABTSMC) 方法.
  • 通过解决系统不确定性来提高转换器性能.
  • 为了实现追踪错误的有限时间收.

主要方法:

  • 使用双层隐藏层循环神经网络 (DHLRNN) 来近似系统不确定性.
  • 实施一个后退的控制框架.
  • 集成终端滑动模式控制 (TSMC) 以实现有限时间的融合.
  • 在DC-DC逆转器原型上进行实验验证.

主要成果:

  • 拟议的DHLRNN有效地接近并弥补系统不确定性.
  • 该ABTSMC方法确保追踪错误的有限时间收.
  • 实验结果显示,与其他方法相比,稳定状态性能优越.
  • 控制策略显示了更快的短暂反应.

结论:

  • 拟议的自适应后退终端滑动模式控制 (ABTSMC) 方法有效地提高了直流-直流逆转器的性能.
  • 集成DHLRNN和TSMC提供了一个强大的解决方案来处理系统的不确定性,并实现快速,准确的控制.
  • 该方法经过实验验证,证明了其实际适用性和优势.