通过堆叠和双向LSTM技术进行短期风力发电预测
Mehmood Ali Khan1, Iftikhar Ahmed Khan2, Sajid Shah3
1Computer Science, Virtual University, Islamabad, Federal, Pakistan.
PeerJ. Computer science
|April 25, 2024
概括
这项研究引入了长期短期记忆 (LSTM) 循环神经网络 (RNN) 以改进风力预测. 先进的LSTM模型有效地克服了消失梯度的问题,提高了训练性能和资源利用率.
科学领域:
- 计算智能是一种计算智能.
- 可再生能源系统可再生能源系统
- 机器学习用于时间序列预测.
背景情况:
- 传统的循环神经网络 (RNN) 与长期的时间依赖性作斗争,导致渐变问题消失.
- 这种限制阻碍了风力预测模型中高效的资源利用.
- 计算智能 (CI) 为提高预测准确性提供了潜在的解决方案.
研究的目的:
- 提出使用长短期记忆 (LSTM) 架构的先进循环神经网络 (RNN) 模型.
- 为了解决风力预测传统RNNs固有的消失梯度问题.
- 提高风力预测模型的训练性能和效率.
主要方法:
- 开发了一个循环神经网络 (RNN) 模型,结合了堆LSTM和双向LSTM架构.
- 使用标准指标评估模型性能:平均绝对误差 (MAE),标准偏差误差 (SDE) 和根平均平方误差 (RMSE).
- 将拟议的模型与使用各种风电场数据集的最新技术进行了比较.
主要成果:
- 拟议的基于LSTM的RNN模型在现有技术上表现出优异的性能,在所有数据集中实现了较低的RMSE和MAE.
- 在较大的风电场数据集中观察到SDE的显著减少.
- 该模型在较少的参数和最小的处理功率要求下取得了可比的结果.
结论:
- 先进的LSTM架构有效地克服了风力预测RNN中的消失梯度问题.
- 拟议的模型提供了一种更高效和有效的风能资源利用方法.
- 这种方法提供了一个强大的和计算效率高的解决方案,以提高风力预测的准确性.
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