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相关概念视频

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

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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:
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Cyclic Processes And Isolated Systems01:19

Cyclic Processes And Isolated Systems

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A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state. 
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
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Multimachine Stability01:25

Multimachine Stability

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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:
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Line Protection with Impedance Relays01:27

Line Protection with Impedance Relays

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Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
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PI Controller: Design01:24

PI Controller: Design

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Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
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Power System Distribution01:25

Power System Distribution

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Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
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MIGS:一个模块化边缘网关与基于实例的隔离,用于异质的工业物联网互操作性.

Yan Ai1,2, Yuesheng Zhu3, Yao Jiang1

  • 1Faculty of Data Science, City University of Macau, Macau 999078, China.

Sensors (Basel, Switzerland)
|January 10, 2026
PubMed
概括

模块化物联网网关系统 (MIGS) 通过管理多种通信协议,提高工业物联网的互操作性. 这种新的架构确保了智能城市和自动化应用的灵活,可靠的数据集成.

关键词:
物联网网关的物联网网关网.边缘计算是一种边缘计算.不同质的网络是异质的网络.工业物联网 (IIoT) 的工业物联网 (IIoT)多协议互操作性的互操作性.系统架构 系统架构

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科学领域:

  • 计算机科学 计算机科学
  • 电气工程 电气工程
  • 自动化系统 自动化系统

背景情况:

  • 物联网 (IoT) 的快速扩张导致了多样化的通信协议,阻碍了无的数据集成和互操作性.
  • 传统的物联网网关通常在支持多个协议和用户控制方面缺乏灵活性,这为工业自动化和智能城市带来了挑战.

研究的目的:

  • 提出一种新的模块化物联网网关架构,模块化物联网网关系统 (MIGS),旨在克服当前网关解决方案的局限性.
  • 通过灵活可控的网关系统,在异质物联网环境中增强互操作性和数据集成.

主要方法:

  • 开发了一个模块化网关架构 (MIGS),有四个组件:管理,南向,北向和缓存.
  • 在南向组件中实现基于实例的隔离和独立的任务线程,用于管理各种现场设备和协议 (Modbus,MQTT,OPC UA).
  • 集成了一个缓存组件,用于在网络延迟期间的数据完整性,以及一个基于Web的控制服务模块,用于运行时管理.

主要成果:

  • 证明了支持异质现场设备的并发多协议通信能力.
  • 在现场设备和云平台之间验证了强大的双向数据传输.
  • 通过功能验证和理论分析,证实了下一代工业应用的操作灵活性和可扩展性.

结论:

  • MIGS框架显著提高了异质物联网环境中的互操作性.
  • 拟议的架构为工业自动化和智能城市基础设施提供了可扩展和灵活的解决方案.
  • MIGS有效地解决了与物联网系统中的多种通信协议和数据集成相关的挑战.