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Periodic Event-triggered Control for Inter-vehicle Communications
Fengyao Jiang,Heng Deng,Liguo Zhang 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.4
This paper investigates the model-based periodic event-triggered control strategy for Inter-Vehicle Communication (IVC) in the field of cyber-physical transportation system (CPTS). The vehicle needs to periodically broadcast its state information to other vehicles to ensure the traffic safety. Considering the scarcity of communication resources in traffic network, an event-triggered control is introduced to strike a balance between the communication cost and the estimation quality. The state information of the vehicle is calculated by the local estimator through the interacting filtering algorithm, and the scheduling module controls the broadcast behavior of the vehicle. When the channel between the dead reckoning module and the local estimator is activated, the local estimator broadcasts the current estimation results in the vehicular network. Otherwise, the dead reckoning module in neighboring vehicles calculates the computative state based on the available information. In view of the characteristics of event-triggering, a periodic verification is attached to the system to obtain an ideal compromise between conventional periodic sampled-data control and event-triggered control. Furthermore, the probability distribution of estimated states in the dead reckoning module is calculated, which helps to the design of event-triggered strategy and parameter selection. Extensive simulation and real experiments are conducted to illustrate the effectiveness of the proposed communication control strategy.
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