相关实验视频
Updated: Jul 17, 2025

06:27
Simulating Impacts of Ice Storms on Forest Ecosystems
Published on: June 30, 2020
7.0K
基于ICEEMDAN,MFE,LSTM和告知者的混合模型的短期风速预测
Wang Xinxin1, Shen Xiaopan1, Ai Xueyi1
1School of Management, Wuhan University of Science and Technoloy, Wuhan, China.
PloS one
|September 8, 2023
概括
准确的风速预测对于电力系统的稳定性至关重要. 一个结合ICEEMDAN,MFE,LSTM和Informer的新混合模型证明了风能预测的卓越准确性.
科学领域:
- 可再生能源系统可再生能源系统
- 动力系统的稳定性 动力系统的稳定性
- 计算智能是一种计算智能.
背景情况:
- 风能是重要的可再生能源,但由于风速的变化,其整合面临着挑战.
- 风速的随机性和间歇性会影响电力系统的安全性和稳定性.
- 准确的风速预测对于有效的电力系统运行和电网管理至关重要.
研究的目的:
- 为准确预测风速提出一种新的混合模型.
- 提高风力发电预测的可靠性和适用性.
- 为应对电力系统中风速间歇性带来的挑战.
主要方法:
- 利用改进的完整组合实证模式分解与适应噪声 (ICEEMDAN) 来将风速数据分解为内在模式函数 (IMF).
- 应用多尺度模糊 (MFE) 来分析每个IMF的复杂性和具有相似MFE值的聚合模式.
- 采用长短期记忆 (LSTM) 和Informer模型进行后续预测,为每个后续选择优秀的执行者.
- 叠加单个后续预测,生成最终的风速预测.
主要成果:
- 拟议的混合模型与其他七种相关模型相比,显示出更高的准确性.
- 该模型在不同的预测期内显示出显著的有效性和适用性.
- 实验结果证实了ICEEMDAN-MFE-LSTM-Informer混合方法的有效性.
结论:
- 开发的混合动力模型为准确的风速预测提供了强大的解决方案.
- 这种方法有效地减轻了风速间歇性对电力系统的影响.
- 这些发现支持风能更广泛的采用和整合.
相关概念视频
Wind Turbine Machine Models
164
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...
164
What is Weather?
18.3K
Overview
18.3K
Electronic Distance Measuring Instruments
57
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...
57
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
79
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
79

