一个网络站系统,用于在空中交通运营中进行高分辨率的风力现在广播:一个数据增强的深度学习方法
Décio Alves1,2, Fábio Mendonça1,2, Sheikh Shanawaz Mostafa2
1University of Madeira, Funchal, Portugal.
PloS one
|January 14, 2025
概括
这项研究提出了一个深度学习模型,用于在机场准确的30分钟风速预测. 这种先进的系统在复杂的天气条件下提高了航空安全和效率.
科学领域:
- 气象学 天气学
- 人工智能的人工智能
- 航空科学 航空科学
背景情况:
- 复杂地形的机场面临着巨大的风力变化挑战.
- 准确的短期风力预测对于航空安全和运营效率至关重要.
研究的目的:
- 为航空应用开发一个高分辨率的风力预测模型.
- 预测风速和风向,以高时间分辨率预测风速和风向,可提前30分钟.
- 为了在像马德拉国际机场这样的复杂环境中提高风力预报.
主要方法:
- 利用六个气象站的网络收集数据.
- 采用深度学习技术进行预测建模.
- 优化了模型架构,并为训练数据采用了高斯式噪声连接.
主要成果:
- 在30分钟前的预报中,风速的平均绝对误差 (MAE) 为0.78m/s,风向为33.06°.
- 在所有预测周期中表现出强大的预测性能.
- 案例研究验证显示MAE低于0.43m/s的风速和35.03°的风向.
结论:
- 通过将传感器网络与机器学习相结合,可以在复杂的机场环境中显著改善风力投放.
- 开发的模型为航空业提供了更高的运营效率和安全.
- 高分辨率的短期风力预测是可行的,对关键基础设施有利.
更多相关视频
相关概念视频
Field Application of Global Positioning System
29
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
29
Uniform Depth Channel Flow
59
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
59
Wind Turbine Machine Models
100
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
100
Precipitation Processes
415
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
415
Precipitation Gravimetry
5.2K
Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
5.2K
Uniform Depth Channel Flow: Problem Solving
56
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
56


