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相关概念视频

Transmission Line Design Considerations01:23

Transmission Line Design Considerations

123
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
123
Network Function of a Circuit01:25

Network Function of a Circuit

262
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
262
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

171
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:
171
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

41
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
41
Block Diagram Reduction01:22

Block Diagram Reduction

157
The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
157
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

105
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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Updated: Jun 5, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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为整体软件定义决定性网络的路由和调度联合设计.

Jinglong Zhang1, Fengyuan Zhu1, Zeming Yang1

  • 1School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.

Fundamental research
|December 11, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了一个整体的软件定义确定性网络 (HSDDN),以应对工业互联网的挑战. 在工业环境中,HSDDN提高了可编程性和适应性,以实现可靠的实时数据传输.

关键词:
背向散射通信是一种反向散射通信.确定性的网络化.路由和调度共设计路由和调度共设计软件定义网络是软件定义的网络.软件定义的物理层是软件定义的物理层.时间敏感的网络.

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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
  • 网络工程 网络工程

背景情况:

  • 由于越来越复杂,工业互联网应用在传统的基于硬件的网络中面临着挑战.
  • 现有的网络在可编程性,动态适应性和满足实时,高可靠性数据传输需求方面扎.

研究的目的:

  • 提出一个整体的软件定义确定性网络 (HSDDN) 架构.
  • 提高工业网络中的可编程性和动态适应性.
  • 为了满足工业环境的严格实时和高可靠性数据传输要求.

主要方法:

  • 实现了一个集中式控制器,用于从网络到物理层的全面软件定义.
  • 在无线领域的软件定义物理层中,从基带处理中分离的射频模块.
  • 集成的软件定义网络与有线域的时间敏感网络,解决路由和确定性调度.
  • 定义了定期和非定期数据流的协作传输的约束.
  • 利用Jain的公平指数来进行负载平衡,并构建了一个NP-hard联合优化问题.
  • 开发了一种以双阶段 (TSRS-DS) 算法进行路由和调度的 Tabu 搜索.

主要成果:

  • 通过模拟实验证明了拟议的HSDDN架构的有效性.
  • 实现了调整的数据传输周期和标记的触发率,用于低功耗,高同步无线传输.
  • 在有线网络中确保不同数据流的协作传输.
  • 成功解决了路由和确定性调度问题.

结论:

  • HSDDN架构为复杂的工业互联网应用提供了可行的解决方案.
  • 软件定义方法在网络可编程性和适应性方面提供了显著的改进.
  • 提出的方法有效地管理工业环境的数据传输和负载均衡.