Research On EV Charging Service Strategy Based On Consortium Blockchain And Game Theory

With the increasing improvement of technology,electric vehicles have developed rapidly as an effective way to solve the energy crisis and environmental governance.Regarding the charging behavior of electric vehicles,it is necessary to consider the collaborative cooperation among electric vehicles,transportation networks,distribution networks,and charging stations.At the same time,in the process of electricity trading,users are also facing increasingly serious issues such as information security and privacy leakage.Therefore,in the "vehicle-road-network-station" interaction mode,this paper establishes an EV charging navigation model based on evolutionary game and an EV safe charging transaction model based on consortium blockchain,respectively,and conducts performance simulation analysis.The main work of this article is as follows:A charging navigation strategy for electric vehicles based on evolutionary game theory is proposed.This strategy first simulates the dynamic characteristics of electric vehicles under road network constraints based on the topology characteristics of the transportation network and the speed flow model.Subsequently,a charging navigation model was established based on evolutionary game theory,taking into account the charging capacity of electric vehicles,the queuing model of charging stations,and selection strategies.Finally,based on the load constraints and charging queues of the distribution network,a electricity price incentive mechanism is adopted to optimize the selection of charging stations with the goal of minimizing charging costs.The example shows that this strategy can balance charging load,reduce peak valley differences and operational risks in the distribution network,reduce road congestion,improve charging station revenue,and reduce user charging costs.We have built a charging transaction framework based on Consortium blockchain.This framework is based on the Hyperledger Fabric,which achieves node consensus through consensus algorithms,completes transaction transfer,settlement,and query through smart contracts,and encrypts transactions using secure keys.Security analysis shows that this scheme can resist common information security attacks.The simulation analysis of system throughput and latency indicators shows that this scheme can meet the charging transactions of hundreds of thousands of electric vehicles and has good scalability.