A secure charging scheme for electric vehicles with smart communities in energy blockchain

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dc.contributor.authorSu, Zhou
dc.contributor.authorWang, Yuntao
dc.contributor.authorxu, qichao
dc.contributor.authorFei, Minrui
dc.contributor.authorTian, Yu-Chu
dc.contributor.authorZhang, Ning
dc.creator.orcidhttps://orcid.org/0000-0002-6518-3130en_US
dc.creator.orcidhttps://orcid.org/0000-0002-8781-4925en_US
dc.creator.orcidhttps://orcid.org/0000-0002-6518-3130
dc.creator.orcidhttps://orcid.org/0000-0002-8781-4925
dc.creator.orcidhttps://orcid.org/0000-0002-6518-3130
dc.creator.orcidhttps://orcid.org/0000-0002-8781-4925https://orcid.org/0000-0002-6518-3130
dc.creator.orcidhttps://orcid.org/0000-0002-8781-4925
dc.date.accessioned2022-02-28T19:13:32Z
dc.date.available2022-02-28T19:13:32Z
dc.date.issued2018-09-10
dc.description.abstractThe smart community (SC), as an important part of the Internet of Energy (IoE), can facilitate integration of distributed renewable energy sources and electric vehicles (EVs) in the smart grid. However, due to the potential security and privacy issues caused by untrusted and opaque energy markets, it becomes a great challenge to optimally schedule the charging behaviors of EVs with distinct energy consumption preferences in SC. In this paper, we propose a contract-based energy blockchain for secure EV charging in SC. First, a permissioned energy blockchain system is introduced to implement secure charging services for EVs with the execution of smart contracts. Second, a reputation-based delegated Byzantine fault tolerance consensus algorithm is proposed to efficiently achieve the consensus in the permissioned blockchain. Third, based on the contract theory, the optimal contracts are analyzed and designed to satisfy EVs' individual needs for energy sources while maximizing the operator's utility. Furthermore, a novel energy allocation mechanism is proposed to allocate the limited renewable energy for EVs. Finally, extensive numerical results are carried out to evaluate and demonstrate the effectiveness and efficiency of the proposed scheme through comparison with other conventional schemes.en_US
dc.description.abstractThe smart community (SC), as an important part of the Internet of Energy (IoE), can facilitate integration of distributed renewable energy sources and electric vehicles (EVs) in the smart grid. However, due to the potential security and privacy issues caused by untrusted and opaque energy markets, it becomes a great challenge to optimally schedule the charging behaviors of EVs with distinct energy consumption preferences in SC. In this paper, we propose a contract-based energy blockchain for secure EV charging in SC. First, a permissioned energy blockchain system is introduced to implement secure charging services for EVs with the execution of smart contracts. Second, a reputation-based delegated Byzantine fault tolerance consensus algorithm is proposed to efficiently achieve the consensus in the permissioned blockchain. Third, based on the contract theory, the optimal contracts are analyzed and designed to satisfy EVs' individual needs for energy sources while maximizing the operator's utility. Furthermore, a novel energy allocation mechanism is proposed to allocate the limited renewable energy for EVs. Finally, extensive numerical results are carried out to evaluate and demonstrate the effectiveness and efficiency of the proposed scheme through comparison with other conventional schemes.
dc.identifier.citationSu, Z., Wang, Y., Xu, Q., Fei, M., Tian, Y.C. and Zhang, N., 2018. A secure charging scheme for electric vehicles with smart communities in energy blockchain. IEEE Internet of Things Journal, 6(3), pp.4601-4613.en_US
dc.identifier.citationSu, Z., Wang, Y., Xu, Q., Fei, M., Tian, Y.C. and Zhang, N., 2018. A secure charging scheme for electric vehicles with smart communities in energy blockchain. IEEE Internet of Things Journal, 6(3), pp.4601-4613.
dc.identifier.doihttps://doi.org/10.1109/JIOT.2018.2869297
dc.identifier.urihttps://hdl.handle.net/1969.6/90208
dc.language.isoen_USen_US
dc.language.isoen_US
dc.publisherIEEEen_US
dc.publisherIEEE
dc.subjectcontractsen_US
dc.subjectelectric vehicle chargingen_US
dc.subjectmicrogridsen_US
dc.subjectprivacyen_US
dc.subjectcontracts
dc.subjectelectric vehicle charging
dc.subjectmicrogrids
dc.subjectprivacy
dc.titleA secure charging scheme for electric vehicles with smart communities in energy blockchainen_US
dc.titleA secure charging scheme for electric vehicles with smart communities in energy blockchain
dc.typeArticleen_US
dc.typeArticle

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