《两个实体的故事

IF 3.5 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS
Hossam ElHussini, C. Assi, Bassam Moussa, Ribal Atallah, A. Ghrayeb
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引用次数: 10

摘要

随着电动汽车市场的不断发展,充电基础设施的采购对电动汽车的普及起着至关重要的作用。在物联网革命中,随着智能电动汽车充电站(EVCS)、无数通信协议和不同实体的引入,电动汽车充电基础设施也在不断发展。我们将在本文中概述该基础设施,详细介绍参与的实体和通信协议。此外,我们通过使用可用的公共数据将evcs的当前部署置于背景中。根据这项调查,我们确定了两个关键问题,即缺乏标准化和多点故障,这使得目前部署的电动汽车充电基础设施容易受到一系列不同的攻击。此外,我们提出了一种新的攻击方案,利用evcs及其协议的独特特性(如高功率瓦数和支持反向潮流)对电网造成干扰。我们研究了三种不同的攻击变化;电力需求突然激增,电力供应突然激增,以及开关攻击。为了支持我们的说法,我们使用一个现实世界的例子来展示攻击者如何通过篡改电动汽车的充电计划来破坏EVCS并造成流量瓶颈。此外,我们对我们提出的攻击变化对WSCC 9总线系统的影响进行了基于模拟的研究。我们的模拟表明,对手可以对电网造成破坏性影响,通过组成少量evcs可能导致停电和级联故障。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Tale of Two Entities
With the growing market of Electric Vehicles (EV), the procurement of their charging infrastructure plays a crucial role in their adoption. Within the revolution of Internet of Things, the EV charging infrastructure is getting on board with the introduction of smart Electric Vehicle Charging Stations (EVCS), a myriad set of communication protocols, and different entities. We provide in this article an overview of this infrastructure detailing the participating entities and the communication protocols. Further, we contextualize the current deployment of EVCSs through the use of available public data. In the light of such a survey, we identify two key concerns, the lack of standardization and multiple points of failures, which renders the current deployment of EV charging infrastructure vulnerable to an array of different attacks. Moreover, we propose a novel attack scenario that exploits the unique characteristics of the EVCSs and their protocol (such as high power wattage and support for reverse power flow) to cause disturbances to the power grid. We investigate three different attack variations; sudden surge in power demand, sudden surge in power supply, and a switching attack. To support our claims, we showcase using a real-world example how an adversary can compromise an EVCS and create a traffic bottleneck by tampering with the charging schedules of EVs. Further, we perform a simulation-based study of the impact of our proposed attack variations on the WSCC 9 bus system. Our simulations show that an adversary can cause devastating effects on the power grid, which might result in blackout and cascading failure by comprising a small number of EVCSs.
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来源期刊
CiteScore
5.20
自引率
3.70%
发文量
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