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Integrated ramp metering and lane-changing feedback control at motorway bottlenecks

Tajdari Farzam, Roncoli Claudio, Bekiaris-Liberis Nikolaos, Papageorgiou Markos

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Περίληψη

Considering the target of an operating effectivelytransportation system, we propose here a novel methodologyfor integrated lane-changing and ramp metering control thatexploits the presence of connected and partly automated vehicles.In particular, we assume that a percentage of vehicles canreceive and implement specific control tasks (e.g., lane-changingcommands). A novel approach is designed to robustly maximisethe throughput at motorway bottlenecks employing a LinearQuadratic Integral (LQI) regulator in combination with an antiwindupscheme, based on a simple Linear Time Invariant (LTI)model. The method is evaluated via simulation experiments,performed on a first-order, multi-lane, macroscopic trafficflow model, also featuring the capacity drop phenomenon,which allows to demonstrate the effectiveness of the developedmethodology and to highlight the improvement in terms oftraffic efficiency.

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