Hybrid Petri net modeling for urban traffic network
Hybrid Petri net modeling for urban traffic network
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发表时间:
2007
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通讯作者:
Dai Huaping
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作者:
Dai Huaping
For the case that vehicle flow shows continuous behavior and traffic lights exhibit discrete event behavior,a hybrid Petri net model of a four-phase signalized intersection was given,in which the continuous time sub-model represented the vehicle flow behavior of urban traffic network and the discrete event part represented the traffic light behavior.Compared with the physical model of a four-phase signalized intersection,all directional vehicle flows of the crossing were analyzed.Analysis of the flow and the traffic light of the model showed that the Petri net model could perfectly represent the hybrid character of the traffic network.Simulation showed the validity of the method.