Koopman Operator-based Detection-Isolation of Cyberattack: A Case Study on Electric Vehicle Charging
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914847441027072 |
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| author | Ghosh, Sanchita Roy, Tanushree |
| author_facet | Ghosh, Sanchita Roy, Tanushree |
| contents | One of the key challenges towards the reliable operation of cyber-physical systems (CPS) is the threat of cyberattacks on system actuation signals and measurements. In recent years, system theoretic research has focused on effectively detecting and isolating these cyberattacks to ensure proper restorative measures. Although both model-based and model-free approaches have been used in this context, the latter are increasingly becoming more popular as complexities and model uncertainties in CPS increases. Thus, in this paper we propose a Koopman operator-based model-free cyberattack detection-isolation scheme for CPS. The algorithm uses limited system measurements for its training and generates real-time detection-isolation flags. Furthermore, we present a simulation case study to detect and isolate actuation and sensor attacks in a Lithium-ion battery system of a plug-in electric vehicle during charging. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2406_16780 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Koopman Operator-based Detection-Isolation of Cyberattack: A Case Study on Electric Vehicle Charging Ghosh, Sanchita Roy, Tanushree Systems and Control Optimization and Control One of the key challenges towards the reliable operation of cyber-physical systems (CPS) is the threat of cyberattacks on system actuation signals and measurements. In recent years, system theoretic research has focused on effectively detecting and isolating these cyberattacks to ensure proper restorative measures. Although both model-based and model-free approaches have been used in this context, the latter are increasingly becoming more popular as complexities and model uncertainties in CPS increases. Thus, in this paper we propose a Koopman operator-based model-free cyberattack detection-isolation scheme for CPS. The algorithm uses limited system measurements for its training and generates real-time detection-isolation flags. Furthermore, we present a simulation case study to detect and isolate actuation and sensor attacks in a Lithium-ion battery system of a plug-in electric vehicle during charging. |
| title | Koopman Operator-based Detection-Isolation of Cyberattack: A Case Study on Electric Vehicle Charging |
| topic | Systems and Control Optimization and Control |
| url | https://arxiv.org/abs/2406.16780 |