Solar irradiance now-casting with ramp-down event prediction via enhanced cloud detection and tracking

Hsu Yung Cheng, Chih Chang Yu

研究成果: 書貢獻/報告類型會議論文篇章同行評審

12 引文 斯高帕斯(Scopus)

摘要

In this work, an accurate solar irradiance now-casting system is presented. The proposed system utilizes information from all-sky images to complement insufficient temporal and spatial resolution of satellite images and help improve prediction accuracy. Based on the history irradiance and the all-sky image features, irradiance are predicted ten to fifteen minutes ahead to allow Photovoltaics operators to schedule and allocate energy resources more effectively. To capture the relationship between clouds and the sun, an enhanced cloud detection algorithm using multi-scale neighborhood features is proposed. Then, feature points on the clouds are tracked to predict if the sun will be occluded by the clouds. According to the cloud tracking results, ramp-down events are forecasted and the predicted solar irradiance is refined. The proposed system is validated using a challenging dataset and exhibits superior performance compared with existing works.

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主出版物標題2016 IEEE International Conference on Multimedia and Expo, ICME 2016
發行者IEEE Computer Society
ISBN(電子)9781467372589
DOIs
出版狀態已出版 - 25 8月 2016
事件2016 IEEE International Conference on Multimedia and Expo, ICME 2016 - Seattle, United States
持續時間: 11 7月 201615 7月 2016

出版系列

名字Proceedings - IEEE International Conference on Multimedia and Expo
2016-August
ISSN(列印)1945-7871
ISSN(電子)1945-788X

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???event.eventtypes.event.conference???2016 IEEE International Conference on Multimedia and Expo, ICME 2016
國家/地區United States
城市Seattle
期間11/07/1615/07/16

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