期刊
ENERGY AND AI
卷 7, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.egyai.2021.100126
关键词
Demand response; Transfer learning; Reinforcement learning; Review; Smart grid
资金
- Research Foundation - Flanders (FWO) , Belgium [787960]
- Flemish Institute for Technological Research (VITO) , Belgium
- ERC AdG E-DUALITY, Belgium [C14/18/068]
- KU Leuven [GOA4917N]
- FWO [KUL0076]
- EU H2020 ICT-48 Network TAILOR
- Ford KU Leuven Research Alliance [VR 2019 2203 DOC.0318/1QUATE]
- Impulsfonds AI
- KU Leuven AI institute
- [1262921N]
Automated decision support tools utilizing machine learning and optimization algorithms have become crucial in addressing the increased electricity demand and variability associated with renewable energy sources. Recent advances have shown that transfer learning can significantly improve performance in this context.
A number of decarbonization scenarios for the energy sector are built on simultaneous electrification of energy demand, and decarbonization of electricity generation through renewable energy sources. However, increased electricity demand due to heat and transport electrification and the variability associated with renewables have the potential to disrupt stable electric grid operation. To address these issues using demand response, researchers and practitioners have increasingly turned towards automated decision support tools which utilize machine learning and optimization algorithms. However, when applied naively, these algorithms suffer from high sample complexity, which means that it is often impractical to fit sufficiently complex models because of a lack of observed data. Recent advances have shown that techniques such as transfer learning can address this problem and improve their performance considerably - both in supervised and reinforcement learning contexts. Such formulations allow models to leverage existing domain knowledge and human expertise in addition to sparse observational data. More formally, transfer learning embodies all techniques where one aims to increase (learning) performance in a target domain or task, by using knowledge gained in a source domain or task. This paper provides a detailed overview of state-of-the-art techniques on applying transfer learning in demand response, showing improvements that can exceed 30% in a variety of tasks. We observe that most research to date has focused on transfer learning in the context of electricity demand prediction, although reinforcement learning based controllers have also seen increasing attention. However, a number of limitations remain in these studies, including a lack of benchmarks, systematic performance improvement tracking, and consensus on techniques that can help avoid negative transfer.
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