Optimal Controller Realizations against False Data Injections in Cooperative Driving

• URL: http://arxiv.org/abs/2404.05361v2
• Date: Mon, 28 Oct 2024 13:39:09 GMT
• Title: Optimal Controller Realizations against False Data Injections in Cooperative Driving
• Authors: Mischa Huisman, Carlos Murguia, Erjen Lefeber, Nathan van de Wouw,
• Abstract summary: We study a controller-oriented approach to mitigate the effect of a class of False-Data Injection (FDI) attacks. We show that a class of new but equivalent controllers can represent the base controller. We obtain the optimal combination of sensors that minimizes the effect of FDI attacks.
• Score: 2.2134894590368748
• License:
• Abstract: To enhance the robustness of cooperative driving to cyberattacks, we study a controller-oriented approach to mitigate the effect of a class of False-Data Injection (FDI) attacks. By reformulating a given dynamic Cooperative Adaptive Cruise Control scheme (the base controller), we show that a class of new but equivalent controllers (base controller realizations) can represent the base controller. This controller class exhibits the same platooning behavior in the absence of attacks, but in the presence of attacks, their robustness varies with the realization. We propose a prescriptive synthesis framework where the base controller and the system dynamics are written in new coordinates via an invertible coordinate transformation on the controller state. Because the input-output behavior is invariant under coordinate transformations, the input-output behavior is unaffected (so controller realizations do not change the system's closed-loop performance). However, each controller realization may require a different combination of sensors. Subsequently, we obtain the optimal combination of sensors that minimizes the effect of FDI attacks by solving a linear matrix inequality while quantifying the FDI's attack impact through reachability analysis. Through simulation studies, we demonstrate that this approach enhances the robustness of cooperative driving without relying on a detection scheme and maintaining all system properties.

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