Analysis and Application of the Spatio-temporal Feature in Wind Power Prediction

被引:0
作者
Yu, Ruiguo [1 ,2 ]
Liu, Zhiqiang [1 ,2 ]
Wang, Jianrong [1 ,3 ]
Zhao, Mankun [1 ,2 ]
Gao, Jie [1 ,3 ]
Yu, Mei [1 ,3 ]
机构
[1] Tianjin Univ, Sch Comp Sci & Technol, Tianjin 300350, Peoples R China
[2] Tianjin Key Lab Cognit Comp & Applicat, Tianjin 300350, Peoples R China
[3] Tianjin Key Lab Adv Networking, Tianjin 300350, Peoples R China
来源
COMPUTER SYSTEMS SCIENCE AND ENGINEERING | 2018年 / 33卷 / 04期
关键词
spatio-temporal feature; power wind prediction; variance; grouping; multi-predictors; REGRESSION;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The spatio-temporal feature with historical wind power information and spatial information can effectively improve the accuracy of wind power prediction, but the role of the spatio-temporal feature has not yet been fully discovered. This paper investigates the variance of the spatio-temporal feature. Based on this, a hybrid machine learning method for wind power prediction is designed. First, the training set is divided into several groups according to the variance of the input pattern, and then each group is used to train one or more predictors respectively. Multiple machine learning methods, such as the support vector machine regression and the decision tree, are used in the proposed method. Second, all the trained predictors are adopted to make predictions for a sample, and the results generated from these predictors will be combined by an optimized combination method based on the variance. The experimental results based on the NREL dataset show that the method adopted in this paper can achieve a better performance than the stage-of-the-art approaches
引用
收藏
页码:267 / 274
页数:8
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