Abstract
Traffic lights have an important role as the system control of vehicles flow on the urban network. Commonly, most countries still using fixed time strategy. Our research proposes the adaptive traffic lights model to response the traffic demand. It uses basic Petri net as a general modeling framework. Foractuating method of minimum and maximum green signal time interval, the green traffic lights have three-time extension units. Next, we collaborate on a case of the existence of railways that crosses on the southern arm of an intersection. We introduce both of collaboration model design of traffic lights and the railway's gate which always closes while a train passing. Verification and validation of the model are based on the simulation result of vehicles queue. The collaboration model design of traffic lights has excellent performance, and it can resolve the congestion problem better than conventional schedule.
Highlights
Traffic Lights ModelThis section reveals a green signal with a minimum interval time and maximum Petri Net model
The primary role of the traffic lights is to improve the capacity and performance of junctions/ intersections in urban network area [1]
It uses detectors to respond the fluctuation of traffic demand or special events [3]
Summary
This section reveals a green signal with a minimum interval time and maximum Petri Net model. A P-invariant indicates the tokens number in a set of places that satisfies some linear invariant.In a special case, all entries of a P-invariant are either 0 or 1 in which the number of tokens remains unchanged in all reachable markings [5]
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