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Journal Articles IFAC-PapersOnLine Year : 2018

Traffic control via moving bottleneck of coordinated vehicles


The possibility of properly controlling a moving bottleneck to improve the traffic flow is here considered. The traffic is represented by means of a macroscopic model able to take into account the interactions with the bottleneck. This latter interacts with the surrounding flow modifying the traffic density and the flow speed profiles. An optimal control problem is stated by using the speed of the moving bottleneck as control variable. Specifically in this paper the MPC (Model Predictive Control) approach is used in order to get a fuel consumption reduction when the traffic is congested due to the presence of a fixed bottleneck on the highway. In addition we have demonstrated that no increase of the travel time is caused by the control application. The concept illustrated in this paper suggests a future innovative traffic control approach. Indeed the prospective of exploiting special vehicles with manipulable speed to control the traffic flow is particularly attractive given the expected increasing penetration rate of autonomous vehicles in traffic networks in future years.
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Dates and versions

hal-01644823 , version 1 (22-11-2017)


  • HAL Id : hal-01644823 , version 1


Giulia Piacentini, Paola Goatin, Antonella Ferrara. Traffic control via moving bottleneck of coordinated vehicles. IFAC-PapersOnLine, 2018, 51 (9), pp.13-18. ⟨hal-01644823⟩
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