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题名

An adaptive deep learning framework for day-ahead forecasting of photovoltaic power generation

作者
通讯作者Zhang, Dongxiao
发表日期
2022-08-01
DOI
发表期刊
ISSN
2213-1388
EISSN
2213-1396
卷号52
摘要
Accurate forecasts of photovoltaic power generation (PVPG) are essential to optimize operations between energy supply and demand. Recently, the propagation of sensors and smart meters has produced an enormous volume of data, which supports the data-driven models for PVPG forecasting. Although emerging deep learning (DL) models, such as the long short-term memory (LSTM), based on historical data, have provided effective solutions for PVPG forecasting with great successes, these models utilize offline learning. As a result, DL models cannot take advantage of the opportunity to learn from newly-arrived data, and are unable to handle concept drift caused by installing extra PV units and unforeseen PV unit failures. Consequently, to improve day-ahead PVPG forecasting accuracy, as well as eliminate the impacts of concept drift, this paper proposes an adaptive LSTM (AD-LSTM), which is a DL framework that can not only acquire general knowledge from historical data, but also dynamically learn specific knowledge from newly-arrived data. A two-phase adaptive learning strategy (TP-ALS) is integrated into AD-LSTM, and a sliding window (SDWIN) algorithm is proposed, to detect concept drift in PV systems. Multiple datasets from PV systems are utilized to assess the feasibility and effectiveness of the proposed approaches. The developed AD-LSTM model demonstrates greater forecasting capability than the conventional offline LSTM model, particularly in the presence of concept drift. The forecasting skill of AD-LSTM can be improved up to 73.11%. Additionally, the proposed AD-LSTM model also achieves superior performance in terms of day-ahead PVPG forecasting for individual days and multiple days to other reference models in the literature.
关键词
相关链接[来源记录]
收录类别
SCI ; EI
语种
英语
学校署名
通讯
WOS研究方向
Science & Technology - Other Topics ; Energy & Fuels
WOS类目
Green & Sustainable Science & Technology ; Energy & Fuels
WOS记录号
WOS:000836447700008
出版者
EI入藏号
20222412211457
EI主题词
Economics ; Long short-term memory ; Solar cells ; Solar energy
EI分类号
Solar Energy and Phenomena:657.1 ; Social Sciences:971
来源库
Web of Science
引用统计
被引频次[WOS]:18
成果类型期刊论文
条目标识符http://kc.sustech.edu.cn/handle/2SGJ60CL/382297
专题南方科技大学
作者单位
1.Peng Cheng Lab, Dept Math & Theories, Shenzhen 518055, Guangdong, Peoples R China
2.Southern Univ Sci & Technol, Natl Ctr Appl Math Shenzhen NCAMS, Shenzhen 518055, Guangdong, Peoples R China
通讯作者单位南方科技大学
推荐引用方式
GB/T 7714
Luo, Xing,Zhang, Dongxiao. An adaptive deep learning framework for day-ahead forecasting of photovoltaic power generation[J]. Sustainable Energy Technologies and Assessments,2022,52.
APA
Luo, Xing,&Zhang, Dongxiao.(2022).An adaptive deep learning framework for day-ahead forecasting of photovoltaic power generation.Sustainable Energy Technologies and Assessments,52.
MLA
Luo, Xing,et al."An adaptive deep learning framework for day-ahead forecasting of photovoltaic power generation".Sustainable Energy Technologies and Assessments 52(2022).
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