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相关概念视频

Control of Power Flow01:30

Control of Power Flow

676
There are several methods to control power flow in power systems:
676
Load-frequency control01:28

Load-frequency control

623
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
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Generator Voltage Control01:21

Generator Voltage Control

633
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand, use...
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Neural Circuits01:25

Neural Circuits

2.6K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
2.6K
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

726
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
726
PD Controller: Design01:26

PD Controller: Design

624
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,...
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基于现场可编程门阵列的神经网络控制策略用于计算机电源应用程序.

J Jayachandran1, S Malathi2, N Prabaharan3

  • 1Department of Electrical and Electronics Engineering, SASTRA Deemed University, Thanjavur, 613401, Tamil Nadu, India.

Scientific reports
|September 26, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种使用人工神经网络 (ANN) 控制的新型多输出开关模式电源 (MOSMPS),以提高个人电脑中的电源质量和电压调节.

关键词:
人工神经网络 (ANN) 是一个人工神经网络.无桥式转换器是一个无桥式转换器.在FPGA中,FPGA是指FPGA.功率因子调整 (PFC) 是指功率因子的调整.功率质量 (PQ) 是指功率的质量.

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科学领域:

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

背景情况:

  • 传统的开关模式电源 (SMPS) 经常受到电源质量问题和传导损失的影响.
  • 传统设计的二极管桥直流器有助于降低效率和增加散热.
  • 个人电脑需要稳定高效的电源供应,并具有高功率质量.

研究的目的:

  • 为个人电脑提出和验证一种新的多输出开关模式电源 (MOSMPS).
  • 使用人工神经网络 (ANN) 控制来改善电源质量 (PQ) 和输出电压调节.
  • 为了最大限度地减少导电损失,并通过消除二极管桥整流器来增强热管理.

主要方法:

  • 设计和建模了一个在不连续导电模式 (DCM) 中运行的无桥式转换器拓.
  • 一个人工神经网络 (ANN) 控制器被开发用于高级控制策略的实施.
  • 拟议的带有ANN控制的MOSMPS被模拟并使用FPGA处理器进行实验验证.
  • 性能是根据功率质量 (PQ) 指数进行评估,并与传统方法进行比较.

主要成果:

  • 拟议的带有ANN控制的MOSMPS在电源质量 (PQ) 和输出电压调节方面取得了显著的改善.
  • 在不连续导电模式 (DCM) 中运行促进了零电流切换,并改善了功率因子 (PF).
  • 无桥式拓有效地减少了导电损失,并提高了热性能.
  • 实验结果验证了模拟模型和ANN控制器的有效性.

结论:

  • 拟议的MOSMPS拓与ANN控制器集成,为个人电脑电源提供了卓越的解决方案.
  • 该设计有效地解决了电源质量 (PQ) 问题,并提高了整体系统效率.
  • 无桥式转换器和ANN控制策略提供了一个强大而高效的电源管理系统.