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Deep Reinforcement Learning Based Energy Storage Arbitrage With Accurate Lithium-ion Battery Degradation Model

Healey; Fan

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Authors

Healey

Fan



Abstract

Accurate estimation of battery degradation cost is one of the main barriers for battery participating on the energy arbitrage market. This paper addresses this problem by using a model-free deep reinforcement learning (DRL) method to optimize the battery energy arbitrage considering an accurate battery degradation model. Firstly, the control problem is formulated as a Markov Decision Process (MDP). Then a noisy network based deep reinforcement learning approach is proposed to learn an optimized control policy for storage charging/discharging strategy. To address the uncertainty of electricity price, a hybrid Convolutional Neural Network (CNN) and Long Short Term Memory (LSTM) model is adopted to predict the price for the next day. Finally, the proposed approach is tested on the the historical UK wholesale electricity market prices. The results compared with model based Mixed Integer Linear Programming (MILP) have demonstrated the effectiveness and performance of the proposed framework.

Citation

Healey, & Fan. (2020). Deep Reinforcement Learning Based Energy Storage Arbitrage With Accurate Lithium-ion Battery Degradation Model. IEEE Transactions on Smart Grid, 4513-4521. https://doi.org/10.1109/TSG.2020.2986333

Acceptance Date Apr 8, 2020
Publication Date Apr 8, 2020
Journal IEEE Transactions on Smart Grid
Print ISSN 1949-3053
Publisher Institute of Electrical and Electronics Engineers (IEEE)
Pages 4513-4521
DOI https://doi.org/10.1109/TSG.2020.2986333
Keywords Energy storage, Energy arbitrage, Battery degradation, Deep reinforcement learning, Noisy Networks.
Publisher URL https://doi.org/10.1109/TSG.2020.2986333

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