Research of traffic flow assignment model on intelligenttransportation based on network calculus
基于网络演算的智能交通流量分配研究

In the actual traffic control engineering, the traffic flow assignment needs a precise quantitative index so as to offer specific flow rate or signal lights control. However, little work has been done to give accurate calculation of flow distribution model. In order to lay an accurate flow asssignment for intelligent transport management, this paper presented a new approach. It applied the network equilibrium theory into dynamic traffic flow assignment and used leaky bucket controller and network calculus. The traffic flow rate distribution and path delay was exchanged to be a series of mathematical operations. Finally the method used simple greedy algorithm to balance traffic delay and got traffic assignment. The simulation results manifest that the model can not only solve congestion, but also reduce average delay of every path, it can extremely improve the traffic capacity of road network.