2018
DOI: 10.3390/en11020321
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A Novel Hybrid Strategy Using Three-Phase Feature Extraction and a Weighted Regularized Extreme Learning Machine for Multi-Step Ahead Wind Speed Prediction

Abstract: Abstract:With the growing penetration of wind power into electric grids, improving wind speed prediction accuracy has become particularly valuable for the exploitation of wind power. In this paper, a novel hybrid strategy based on a three-phase signal decomposition (TPSD) technique, feature extraction (FE) and weighted regularized extreme learning machine (WRELM) is developed for multi-step ahead wind speed prediction. The TPSD including seasonal separation algorithm (SSA), fast ensemble empirical mode decompo… Show more

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Cited by 22 publications
(9 citation statements)
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“…Therefore, the output weights between hidden and output layers are determined as finding the least square solution to the given linear system. Other variants of ELM utilized in wind speed and power forecasting include Hysteresis ELM (HELM) [61], Online Sequential ELM (OSELM) [62], Stacked ELM (SELM) [63], Regularized ELM (RELM) [64], and Weighted RELM (WRELM) [65]. Reference [66] discussed in detail the trends in ELM.…”
Section: ) Artificial Intelligence/ Machine Learning Methodsmentioning
confidence: 99%
“…Therefore, the output weights between hidden and output layers are determined as finding the least square solution to the given linear system. Other variants of ELM utilized in wind speed and power forecasting include Hysteresis ELM (HELM) [61], Online Sequential ELM (OSELM) [62], Stacked ELM (SELM) [63], Regularized ELM (RELM) [64], and Weighted RELM (WRELM) [65]. Reference [66] discussed in detail the trends in ELM.…”
Section: ) Artificial Intelligence/ Machine Learning Methodsmentioning
confidence: 99%
“…Wang et al proposed a three-phase signal decomposition technique to decompose wind speed and predicted multi-step ahead wind speed through feature extraction and weighted regularized extreme learning machine. Four real wind speed prediction cases verified the effectiveness of their proposed hybrid model [17]. Liu et al investigated hybrid methods using wavelet packet decomposition (WPD), empirical mode decomposition (EMD) and the ELM for wind speed prediction.…”
Section: Introductionmentioning
confidence: 92%
“…Then, multiple filters extract features in different scale to capture the mapping relationship between input data and output data. The convolution of stride is employed instead of pooling (e.g., max pooling) because stride convolution is fully differentiable and allows the network to learn its own special down-sampling [17].…”
Section: Forecasting Model Structurementioning
confidence: 99%
“…This system achieved a mean absolute percentage error rating of 3.5%. Wang et al [167] developed a novel hybrid strategy based on a three-phase signal decomposition (TPSD) technique, feature extraction (FE) and weighted regularized extreme learning machine (WRELM) model. This model was able to do a multi-step ahead wind speed prediction.…”
Section: A Machine Learning Application In Wind Energy Forecastingmentioning
confidence: 99%