Collaborative Vehicle Platoons with Guaranteed Safety Against Cyber-Attacks
Twan Keijzer (Royal Netherlands Aerospace Centre)
Paula Chanfreut (Eindhoven University of Technology)
Jose Maria Maestre (University of Seville)
R. M.G. Ferrari (TU Delft - Team Riccardo Ferrari)
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Abstract
The wireless communication used by vehicles in collaborative vehicle platoons is vulnerable to cyber-attacks, which threaten their safe operation. To address this issue we propose a topology-switching coalitional model predictive control (MPC) method based on a reduced order unknown input observer which detects and isolates the cyber-attacks, so that the attacked communication links can be disabled by means of a topology switch. Also, the MPC controller is designed to guarantee robustness against undetected attacks and the increase of uncertainty derived from disabling communication links. The proposed control method also conforms to a relaxed string stability condition and is guaranteed to be safe against crashes.