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相关概念视频

Distributed Loads01:19

Distributed Loads

493
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
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Social Traps01:41

Social Traps

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Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
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Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

611
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...
611
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

279
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
279
Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

90
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
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Types of Surveys01:27

Types of Surveys

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Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
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Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
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关于智能移动中的基于定向环形图的区块链的调查

Yuhao Bai1, Soojin Lee1, Seung-Hyun Seo2

  • 1Department of Electronic and Electrical Engineering, Hanyang University, Seoul 04763, Republic of Korea.

Sensors (Basel, Switzerland)
|February 26, 2025
PubMed
概括

定向非循环图 (DAG) 区块链通过为电动汽车和无人机提供更快的交易来增强智能移动性. 研究重点包括未来城市交通的安全性,可扩展性和高效的微交易.

科学领域:

  • 计算机科学 计算机科学
  • 电气工程 电气工程
  • 运输系统 运输系统

背景情况:

  • 传统的区块链面临着可扩展性和延迟问题,阻碍了智能移动中的实时应用.
  • 基于定向环形图 (DAG) 的区块链提供了一个具有并行处理和降低延迟的潜在解决方案.
  • 智能移动包括电动汽车 (EV),机器人系统和无人机群,所有这些都需要高效和安全的数据管理.

研究的目的:

  • 系统地审查DAG基于区块链技术在智能移动生态系统中的整合.
  • 确定DAG在电动汽车,机器人和无人机群中的好处,挑战和未来研究方向.
  • 评估DAG对于智能运输中的高通量,低延迟应用的适用性.

主要方法:

  • 系统的文献审查遵循PRISMA指南.
  • 在主要的科学数据库 (Web of Science,Scopus,IEEE Xplore,ACM数字图书馆) 中进行全面的搜索.
  • 对1248个记录进行选,最终分析了47项符合条件的研究.

主要成果:

  • 基于DAG的区块链提供高吞吐量 (>1000 TPS) 和低延迟 (<1秒),这对于智能移动至关重要.
  • DAG解决了传统区块链的局限性,使自动驾驶汽车和电动汽车充电微交易的有效协调成为可能.
关键词:
一天一天的时间.区块链区块链区块链区块链区块链定向非循环图是指向的非循环图.智能移动是智能移动的一种方式.

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  • 确定的挑战包括共识复杂性,概率最终性和安全漏洞 (例如,双重支出,西比尔攻击).
  • 结论:

    • 基于DAG的区块链技术显示出对推进智能移动解决方案的重大承诺.
    • 需要在标准化基准,安全证明,混合共识,隐私技术和微交易优化方面进行进一步的研究.
    • 解决这些优先事项将有助于部署安全,可扩展的DAG解决方案,以实现高效的城市交通.