Cited by 548Electric Vehicles and InfrastructureSmart Grid Energy ManagementElectric Power System Optimization

Model-Free Real-Time EV Charging Scheduling Based on Deep Reinforcement Learning

Open access
Wan, Zhiqiang, Li, Hepeng, He, Haibo, Prokhorov, Danil·2019·IEEE Transactions on Smart Grid

Abstract

Driven by the recent advances in electric vehicle (EV) technologies, EVs have become important for smart grid economy. When EVs participate in demand response program which has real-time pricing signals, the charging cost can be greatly reduced by taking full advantage of these pricing signals. However, it is challenging to determine an optimal charging strategy due to the existence of randomness in traffic conditions, user's commuting behavior, and the pricing process of the utility. Conventional model-based approaches require a model of forecast on the uncertainty and optimization for the scheduling process. In this paper, we formulate this scheduling problem as a Markov Decision Process (MDP) with unknown transition probability. A model-free approach based on deep reinforcement learning is proposed to determine the optimal strategy for this problem. The proposed approach can adaptively learn the transition probability and does not require any system model information. The architecture of the proposed approach contains two networks: a representation network to extract discriminative features from the electricity prices and a Q network to approximate the optimal action-value function. Numerous experimental results demonstrate the effectiveness of the proposed approach.

Integrity signals

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Crossref · 10.1109/tsg.2018.2879572

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46 of 46 references verified0 citation errors · 0 not checkable

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Authors
Wan, Z., Li, H., He, H., & Prokhorov, D.
Affiliations
  • University of Rhode Island (US)
  • Shenyang Institute of Automation (CN)
  • Toyota Motor North America Research & Development (United States) (US)
Venue
IEEE Transactions on Smart Grid
Published
2019-09
Volume
10
Issue
5
Pages
5246-5257
ISSN
  • 1949-3053 (ISSN-L)
  • 1949-3061
OpenAlex
W2899639849
Cited by
548
References
46
Citations by year
2026: 61 · 2025: 71 · 2024: 83 · 2023: 95 · 2022: 87 · 2021: 74 · 2020: 57 · 2019: 20
FWCI
14.43
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Smart Grid (publishedVersion)
  • Journal of Media Literacy Education (submittedVersion, cc-by)
  • SIA OpenIR (Chinese Academy of Sciences) (submittedVersion)
Funders
Office of Naval Research (N00014-18-1-2396)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Vehicles and Infrastructure
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Smart Grid Energy Management
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Power System Optimization
Keywords
electric vehicle charging scheduling, real-time pricing, demand response, deep reinforcement learning, model-free learning, unknown transition probabilities, Markov decision process, Q-network, electricity price forecasting, smart grid

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