Abstract

In recent years, electric vehicles with low cost and zero emission have been accepted and chosen by more and more people. In order to further shorten the charging time of electric vehicles, improve charging efficiency of electric vehicles and promote the development of green smart transportation, a new promising Energy Harvesting-Dynamic Wireless Charging (EH-DWC) system is currently much attracting extensive attention and research. EH-DWC system, on the one hand, can convert nature energy such as wind or solar nature energy into electricity energy by using energy harvesting technology, on the other hand, the system can directly provide charging service for the moving electric vehicle through wireless electromagnetic induction technology. However, during the charging process, since the electric vehicle and the EH-DWC need to communicate over an open wireless channel, it is inevitable to be attacked by some malicious, which can influence the charging process, privacy leakage or even property losses between the system and the electric vehicle. In this paper, we propose a lightweight secure management scheme for energy harvesting dynamic wireless charging system. The proposed scheme can achieve effective authentication, secure communication, privacy protection and reliable payment for the system. Moreover, considering that there are some weather that are not conducive to harvesting energy, the scheme divides the system into three different working states to ensure the safe operation. Finally, the security analysis and performance evolution prove our scheme is secure and efficient in the end of the paper.

Highlights

  • Intelligent transportation system (ITS) with the abilities of perception, interconnection, analysis and control is one of the essential ways to construct smart city, which brings smooth, safe and comfortable urban life for peopele [1] [2].As one of the core technologies to promote the construction and development of ITS, Internet of Vehicle (IoV) has been widely attracted and researched by the industry and academic [3]

  • We propose a lightweight secure management scheme for Energy Harvesting-Dynamic Wireless Charging system to solve above mentioned issues

  • The scheme employs the bargaining game theory based on reputation values of electric vehicle to allocate energy and to charge electric vehicles (EVs) when the system is in the medium power state [22]

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Summary

INTRODUCTION

Intelligent transportation system (ITS) with the abilities of perception, interconnection, analysis and control is one of the essential ways to construct smart city, which brings smooth, safe and comfortable urban life for peopele [1] [2]. As EVs travel at high speed on the road, any delay may result in charging or authentication to fail Another major issue with the EH-DWC system is electricity management and safe operations in some weather conditions that are not conductive to harvest energy. In the medium power state, the EHDWC system cannot harvest the energy, but there is still a certain amount of stored electricity power that could be used to charge electric vehicles under the premise of ensuring the system safe operation At this state, the EHDWC system allocates power to charge EVs based on their reputation values. The scheme employs the bargaining game theory based on reputation values of electric vehicle to allocate energy and to charge EVs when the system is in the medium power state [22].

RELATED WORK
SYSTEM MODEL
DESIGN GOALS
BARGAINING GAME
MATHEMATICAL PROBLEMS
THE PROPOSED SCHEME
SYSTEM INITIALIZATION
REGISTRATION PHASE
SECURITY ANALYSIS
MUTUAL AUTHENTICATION
FAIR ENERGY ALLOCATION
Findings
VIII. CONCLUSION
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