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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

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Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
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Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

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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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Model Approaches for Pharmacokinetic Data: Distributed Parameter Models01:06

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models

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Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
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Pharmacodynamic Models: Link Model and Systems Pharmacodynamic Model01:14

Pharmacodynamic Models: Link Model and Systems Pharmacodynamic Model

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The link model is a fundamental pharmacokinetic-pharmacodynamic (PK–PD) approach to account for delayed drug responses when the observed effect does not immediately correlate with the drug's plasma concentration peak. This delay is mathematically addressed by introducing an effect compartment concentration, Ce, which is kinetically linked to the plasma concentration, Cp, via a first-order rate constant, ke0. The linkage allows for a more accurate prediction of drug effects over time. A...
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相关实验视频

Updated: May 5, 2026

Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes
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基于多层知识图模型的制造工艺数字双胞胎系统.

Chang Su1,2, Xin Tang3,4, Qi Jiang1,2

  • 1Department of Information Science and Engineering, Ocean University of China, Qingdao, 266100, China.

Scientific reports
|April 14, 2025
PubMed
概括
此摘要是机器生成的。

一个新的三层知识图架构改善了制造业的数字双胞胎技术. 该系统增强了数据集成和实时流程,从而提高了生产中的预测分析和质量控制.

关键词:
数据整合数据集成支持决定的决定支持.数字双胞胎 数字双胞胎 数字双胞胎智能制造 智能制造是一种智能制造.知识图表知识图表制造过程管理 制造过程管理

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相关实验视频

Last Updated: May 5, 2026

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Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes

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科学领域:

  • 制造业 工程 制造工程
  • 计算机科学 计算机科学
  • 数据科学数据科学数据科学

背景情况:

  • 制造业中的数字双胞胎技术面临着整合多种数据源和管理实时数据流的挑战.
  • 有效的数字双胞胎建模需要强大的数据集成和处理能力.

研究的目的:

  • 提出和验证一种新的三层知识图架构,用于增强制造过程中的数字双胞胎建模.
  • 为数字双胞胎解决数据集成和实时数据流方面的挑战.

主要方法:

  • 开发了三层知识图架构:概念层 (知识网络),模型层 (数字物理对齐) 和决策层 (数据驱动的决策支持).
  • 集成多源数据,并在航空发动机叶片生产中验证了该系统.
  • 利用架构进行预测分析,异常检测,过程控制和质量管理.

主要成果:

  • 该系统成功地集成了多源数据,增强了预测分析和异常检测.
  • 在5个月的验证期内,最大轮误差精度从0.073mm提高到0.062mm.
  • 产品合格率从81.3%增加到85.2%.

结论:

  • 拟议的知识图架构显著提高了制造业中数字双胞胎的利用率.
  • 该系统表现出强大的过程控制,质量管理和预测性维护能力.
  • 这种方法提供了一个可扩展的解决方案,用于在复杂的制造环境中推进数字双胞胎技术.