Application of Gaussian mixture regression model for short-term wind speed forecasting

Md Emrad Hossain
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引用次数: 7

Abstract

Due to the complex stochastic behavior of the wind environment, there are significant challenges associated in integrating the wind power to the grid. In general, the wind power generation is highly dependent on accurate and reliable wind speed prediction. Therefore, the wind speed forecasting is very important as well greatly influences on the scheduling of a power system and the dynamic control of the wind turbine and resource planning. The main objective of this paper is to forecast the wind speed for short-term from the previous wind speed data. In this paper, a Gaussian Mixture Regression (GMR) model is applied for forecasting the wind-speed for short-term (Two-hours ahead). Moreover, in this work the real-world wind data sets were used in order to model training and testing. The GMR model is simulated in Matlab software. The proposed GMR model is evaluated in terms of Root Mean Square Error (RMSE), Mean Absolute Percentage Error (MAPE) and Mean Absolute Error (MAE) in the task of short-term wind speed prediction. From the simulation results and numerical analysis, it can be stated that the prediction of the short-term wind speed is very accurate by using the GMR methods.
高斯混合回归模型在短期风速预报中的应用
由于风环境具有复杂的随机特性,风电并网面临着巨大的挑战。一般来说,风力发电高度依赖于准确可靠的风速预测。因此,风速预测对电力系统的调度、风力机的动态控制和资源规划有着重要的影响。本文的主要目的是利用以往的风速资料预测短期内的风速。本文采用高斯混合回归(GMR)模型预报短期(提前2小时)的风速。此外,在这项工作中,为了模拟训练和测试,使用了真实世界的风数据集。在Matlab软件中对GMR模型进行了仿真。用均方根误差(RMSE)、平均绝对百分比误差(MAPE)和平均绝对误差(MAE)对GMR模型进行了短期风速预测。从模拟结果和数值分析可以看出,GMR方法对短期风速的预测精度很高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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