In this paper we propose a novel observer-based method for anomaly detection in connected and automated vehicles (CAVs). The proposed method utilizes an augmented extended Kalman filter (AEKF) to smooth sensor readings of a CAV based on a nonlinear car-following motion model with time delay, where the leading vehicle’s trajectory is used by the subject vehicle to detect sensor anomalies. We use the classic $\chi^{2}$ fault detector in conjunction with the proposed AEKF for anomaly detection. To make the proposed model more suitable for real-world applications, we consider a stochastic communication time delay in the car-following model. Our experiments conducted on real-world connected vehicle data indicate that the AEKF with $\chi^{2}$-detector can achieve a high anomaly detection performance.


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    Title :

    Anomaly Detection in Connected and Automated Vehicles using an Augmented State Formulation


    Contributors:


    Publication date :

    2020-11-03


    Size :

    238186 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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