Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM
Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is bas...
Ausführliche Beschreibung
Autor*in: |
Xuechao Liao [verfasserIn] Zhenxing Liu [verfasserIn] Wanxiong Deng [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
short‐term wind speed forecast |
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Übergeordnetes Werk: |
In: Wind Energy - Wiley, 2021, 24(2021), 9, Seite 991-1012 |
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Übergeordnetes Werk: |
volume:24 ; year:2021 ; number:9 ; pages:991-1012 |
Links: |
Link aufrufen |
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DOI / URN: |
10.1002/we.2613 |
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Katalog-ID: |
DOAJ005041856 |
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520 | |a Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. | ||
650 | 4 | |a attention mechanism | |
650 | 4 | |a LSTM (long‐short term memory) | |
650 | 4 | |a short‐term wind speed forecast | |
650 | 4 | |a VMD (variational mode decomposition) | |
650 | 4 | |a wavelet decomposition and reconstruction | |
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700 | 0 | |a Wanxiong Deng |e verfasserin |4 aut | |
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10.1002/we.2613 doi (DE-627)DOAJ005041856 (DE-599)DOAJcd38f6e54df94c3fb4edc03563799591 DE-627 ger DE-627 rakwb eng TJ807-830 Xuechao Liao verfasserin aut Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction Renewable energy sources Zhenxing Liu verfasserin aut Wanxiong Deng verfasserin aut In Wind Energy Wiley, 2021 24(2021), 9, Seite 991-1012 (DE-627)319418448 (DE-600)2024840-4 10991824 nnns volume:24 year:2021 number:9 pages:991-1012 https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/article/cd38f6e54df94c3fb4edc03563799591 kostenfrei https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/toc/1095-4244 Journal toc kostenfrei https://doaj.org/toc/1099-1824 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2014 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 24 2021 9 991-1012 |
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10.1002/we.2613 doi (DE-627)DOAJ005041856 (DE-599)DOAJcd38f6e54df94c3fb4edc03563799591 DE-627 ger DE-627 rakwb eng TJ807-830 Xuechao Liao verfasserin aut Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction Renewable energy sources Zhenxing Liu verfasserin aut Wanxiong Deng verfasserin aut In Wind Energy Wiley, 2021 24(2021), 9, Seite 991-1012 (DE-627)319418448 (DE-600)2024840-4 10991824 nnns volume:24 year:2021 number:9 pages:991-1012 https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/article/cd38f6e54df94c3fb4edc03563799591 kostenfrei https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/toc/1095-4244 Journal toc kostenfrei https://doaj.org/toc/1099-1824 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2014 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 24 2021 9 991-1012 |
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10.1002/we.2613 doi (DE-627)DOAJ005041856 (DE-599)DOAJcd38f6e54df94c3fb4edc03563799591 DE-627 ger DE-627 rakwb eng TJ807-830 Xuechao Liao verfasserin aut Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction Renewable energy sources Zhenxing Liu verfasserin aut Wanxiong Deng verfasserin aut In Wind Energy Wiley, 2021 24(2021), 9, Seite 991-1012 (DE-627)319418448 (DE-600)2024840-4 10991824 nnns volume:24 year:2021 number:9 pages:991-1012 https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/article/cd38f6e54df94c3fb4edc03563799591 kostenfrei https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/toc/1095-4244 Journal toc kostenfrei https://doaj.org/toc/1099-1824 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2014 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 24 2021 9 991-1012 |
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10.1002/we.2613 doi (DE-627)DOAJ005041856 (DE-599)DOAJcd38f6e54df94c3fb4edc03563799591 DE-627 ger DE-627 rakwb eng TJ807-830 Xuechao Liao verfasserin aut Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction Renewable energy sources Zhenxing Liu verfasserin aut Wanxiong Deng verfasserin aut In Wind Energy Wiley, 2021 24(2021), 9, Seite 991-1012 (DE-627)319418448 (DE-600)2024840-4 10991824 nnns volume:24 year:2021 number:9 pages:991-1012 https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/article/cd38f6e54df94c3fb4edc03563799591 kostenfrei https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/toc/1095-4244 Journal toc kostenfrei https://doaj.org/toc/1099-1824 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2014 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 24 2021 9 991-1012 |
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10.1002/we.2613 doi (DE-627)DOAJ005041856 (DE-599)DOAJcd38f6e54df94c3fb4edc03563799591 DE-627 ger DE-627 rakwb eng TJ807-830 Xuechao Liao verfasserin aut Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction Renewable energy sources Zhenxing Liu verfasserin aut Wanxiong Deng verfasserin aut In Wind Energy Wiley, 2021 24(2021), 9, Seite 991-1012 (DE-627)319418448 (DE-600)2024840-4 10991824 nnns volume:24 year:2021 number:9 pages:991-1012 https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/article/cd38f6e54df94c3fb4edc03563799591 kostenfrei https://doi.org/10.1002/we.2613 kostenfrei https://doaj.org/toc/1095-4244 Journal toc kostenfrei https://doaj.org/toc/1099-1824 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2014 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 24 2021 9 991-1012 |
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TJ807-830 Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM attention mechanism LSTM (long‐short term memory) short‐term wind speed forecast VMD (variational mode decomposition) wavelet decomposition and reconstruction |
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misc TJ807-830 misc attention mechanism misc LSTM (long‐short term memory) misc short‐term wind speed forecast misc VMD (variational mode decomposition) misc wavelet decomposition and reconstruction misc Renewable energy sources |
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Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM |
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Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM |
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Xuechao Liao |
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short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and lstm |
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Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM |
abstract |
Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. |
abstractGer |
Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. |
abstract_unstemmed |
Abstract In order to better extract and study the characteristics of the wind speed in time‐domain and frequency‐domain, so as to solve the time‐domain randomness and frequency‐domain complexity problems of the wind speed signal, a combined short‐term prediction model (WD‐VMD‐DLSTM‐AT), which is based on two‐stage decomposition (WD + VMD), double long‐short‐term memory network (DLSTM) and attention mechanism (AT), is proposed; on this basis, a multi‐input multiple output (MIMO) codec model based on attention mechanism (MMED‐AT) is proposed for multiple short‐term wind speed step forecast. Through experimental comparison and analysis, the proposed combined forecasting model has the smallest statistical error and the best prediction accuracy; the MMED‐AT models based on the combined model can obviously eliminate the cumulative error of recursive multistep prediction and further improve the stability of multistep prediction. |
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Short‐term wind speed multistep combined forecasting model based on two‐stage decomposition and LSTM |
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