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相关概念视频

Distributed Loads: Problem Solving01:21

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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Turbulent Flow: Problem Solving01:09

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Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
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Fast Decoupled and DC Powerflow01:24

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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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Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
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A Venturi meter is essential for measuring fluid flow rates in pipelines. It utilizes the relationship between fluid velocity and pressure described by Bernoulli's equation. When installed in a sewage system, the Venturi meter accurately determines the wastewater flow rate by measuring pressure differences.
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Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
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基于分布式整数编程方法的飞机路线恢复.

Luyao Yang1, Zhikang Wang1, Haochen Yu1

  • 1School of Electronic and Information Engineering, Suzhou University of Science and Technology, Suzhou, China.

Mathematical biosciences and engineering : MBE
|July 28, 2023
PubMed
概括
此摘要是机器生成的。

本研究提出了一种有效的方法,用于恢复因意外事件中断的飞机航线. 它通过生成新的航线和重新分配飞机来解决飞行计划修复问题,最大限度地减少经济损失.

关键词:
分布式计算分布式计算固定点代的固定点代.飞行中断 飞行中断整数编程中的整数编程

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科学领域:

  • 航空运营研究 航空运营研究
  • 运营研究 运营研究
  • 计算机科学 计算机科学

背景情况:

  • 由于天气或飞机故障等因素造成的飞行中断,航空公司面临重大经济损失.
  • 恢复中断的飞机航线对于最小化这些财务影响和确保运营连续性至关重要.

研究的目的:

  • 开发和验证一种恢复飞机航线的方法,以减轻飞行中断造成的经济损失.
  • 为应对航空运营中无计划中断所带来的挑战.

主要方法:

  • 该研究将飞机路线恢复问题分为两个子问题:飞行路线生成和飞机重新分配.
  • 使用固定点代方法的整数编程用于可行的路线生成.
  • 为高效,分布式计算解决方案空间提出了一个细分方法.

主要成果:

  • 拟议的方法有效地产生可行的飞行路线,并重新分配飞机来修复中断的飞行计划.
  • 在涉及飞机故障接地和机场关闭的场景中证明有效.
  • 细分方法可以实现快速有效的计算.

结论:

  • 开发的方法为在动态的航空环境中恢复飞机航线提供了有效的解决方案.
  • 这项研究通过提高运营弹性,有助于在载人航空中推进无人航空应用.
  • 这种方法有助于航空公司减少与飞行计划中断相关的经济损失.