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相关概念视频

Reinforcement01:23

Reinforcement

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Positive and negative reinforcement are key concepts in operant conditioning, a learning process where the consequences of a behavior affect the likelihood of that behavior being repeated.
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
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Intelligence01:27

Intelligence

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The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember...
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Corrosion of Reinforcement01:27

Corrosion of Reinforcement

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The corrosion of steel reinforcement within concrete is a process influenced by the material's inherent properties and external factors. The high pH level of around 13, provided by calcium hydroxide present in concrete, initially protects the steel reinforcement by promoting the formation of a passive iron oxide layer on its surface.
However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
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Reinforcement Schedules01:24

Reinforcement Schedules

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Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
Once a behavior is learned,...
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Reinforcements in Concrete01:25

Reinforcements in Concrete

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Reinforced concrete is a composite material used extensively in construction, combining the compressive strength of concrete with the tensile strength of steel. This synergy is essential as concrete, while excellent at resisting compression, is weak under tension. Steel bars, or rebars, are embedded in the concrete to handle these tensile forces. The choice of steel is strategic; it shares a similar coefficient of thermal expansion with concrete, which ensures uniformity in response to...
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Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
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相关实验视频

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Specimen Preparation, Imaging, and Analysis Protocols for Knife-edge Scanning Microscopy
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通过强化学习实现智能边缘计算,以公共边缘的卸载作为服务为基础.

Ateeqa Jalal1, Umar Farooq1,2,3, Ihsan Rabbi1,3

  • 1Institute of Computing Science and Information Technology (ICSIT), University of Science and Technology, Bannu (UST Bannu), Bannu, Pakistan.

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概括

公共边缘即服务 (PEaaS) 通过使用近接政策优化 (PPO) 调度来优化物联网 (IoT) 卸载. 这种方法有效地管理资源,减少移动物联网大数据处理的延迟和成本.

关键词:
云计算是一种云计算.边缘计算是一种边缘计算.公共边缘作为一种服务.强化学习是一种强化学习.

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科学领域:

  • 计算机科学 计算机科学
  • 分布式系统 分布式系统
  • 人工智能的人工智能

背景情况:

  • 物联网 (IoT) 部署面临着延迟,成本和资源利用方面的挑战.
  • 传统的卸载策略往往忽视中间层和设备移动性,导致效率低下.
  • 需要先进的框架来优化动态物联网环境中的资源配置.

研究的目的:

  • 提出和评估公共边缘作为服务 (PEaaS) 作为物联网卸载的中间层.
  • 开发一个模拟框架,RegionalEdgeSimPy,用于建模和评估PEaaS架构.
  • 为了优化任务卸载决策,考虑延迟,成本,拥堵和能源.

主要方法:

  • 开发了RegionalEdgeSimPy,这是一个用于PEaaS框架的Python模拟器.
  • 实施了一个近接政策优化 (PPO) 调度器,包括移动性和多个输入参数.
  • 使用动作掩护和多目标奖励功能,用于智能卸载决策.
  • 在智慧城市环境中对10到3000个设备进行模拟.

主要成果:

  • PPO调度优先考虑本地边缘处理,直到过度利用,然后将任务引导到PEaaS.
  • PEaaS有效地处理卸载的工作负载,而云资源的使用量最小.
  • 平均使用情况:边缘 (75.8%),PEaaS (52.9%),云 (<1.2%).

结论:

  • 基于PPO的PEaaS框架大大减少了物联网部署中的延迟,成本和任务失败.
  • 拟议的系统证明了在物联网大数据处理中的移动性处理的改进可扩展性.
  • PEaaS为分布式物联网资源管理提供了一个高效的中间层.