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Optimal control of an electric vehicle’s charging schedule under electricity markets

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Abstract

As increasing numbers of electric vehicles (EVs) enter into the society, the charging behavior of EVs has got lots of attention due to its economical difference within the electricity market. The charging cost for EVs generally differ from each other in choosing the charging time interval (hourly), since the hourly electricity prices are different in the market. In this paper, the problem is formulated into an optimal control one and solved by dynamic programming. Optimization aims to find the economically optimal charging solution for each vehicle. In this paper, a nonlinear battery model is characterized and presented, and a given future electricity prices is assumed and utilized. Simulation results indicate that daily charing cost is reduced by smart charing.

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Acknowledgments

This work was supported in part by the National Natural Science Foundation of China (grant no. 61005090, 61034004, 61075064, 61003053), the Program for New Century Excellent Talents in University of Ministry of Education of China (grant no. NECT-10-0633), the PhD Programs Foundation of Ministry of Education of China (grant no. 20100072110038), the International S&T Cooperation Program from Ministry of Science and Technology of China (grant no.2011DFG13020), the Shanxi Province Natural Science Foundation of China (grant no. 2011011012-1), and the Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi.

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Authors and Affiliations

  1. Institute of Sustainable Electric Networks and Sources of Energy, Technical University of Berlin, 10587, Berlin, Germany

    Tian Lan

  2. Center for Electric Technology, Technical University of Denmark, 2800, Copenhagen, Denmark

    Junjie Hu

  3. Department of Control Science and Engineering, Tongji university, Shanghai, 201804, People’s Republic of China

    Qi Kang, Chengyong Si, Lei Wang & Qidi Wu

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  1. Tian Lan
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  2. Junjie Hu
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  3. Qi Kang
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  4. Chengyong Si
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  5. Lei Wang
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  6. Qidi Wu
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Correspondence to Qi Kang.

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Lan, T., Hu, J., Kang, Q. et al. Optimal control of an electric vehicle’s charging schedule under electricity markets. Neural Comput & Applic 23, 1865–1872 (2013). https://doi.org/10.1007/s00521-012-1180-2

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  • DOI: https://doi.org/10.1007/s00521-012-1180-2

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