A Chaos-Based Coordinated Control Method for Multi-ramps of Urban Expressway
A coordinated control and expressway technology, applied in the direction of adaptive control, traffic signal control, general control system, etc., can solve the problems of not conforming to the reality of road traffic, unable to apply large-scale road network, etc., to improve road operation efficiency and avoid Traffic congestion, the effect of huge social benefits
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[0108] The test site of this embodiment is selected as a section of Xiqing Road and Zhicheng Road in the expressway network of Tianjin. For details, see Figure 6 . The expressway section is 7km long and consists of 5 on-ramps, 4 off-ramps and an interchange (connected to the second on-ramp). Specific parameters: one-way four-lane main line, distance l between adjacent entrances and exits 1 =1100m, the distance l between adjacent exits and entrances 2 = 300m, the length of the entrance ramp l r =200m, the length of the interweaving area l r1 =150m, the length from the signal lamp to the weaving area l r2 =50m; exit ramp length l c = 100m, the length of the acceleration buffer lane l acc =160m, length of deceleration buffer lane l dec =90m. According to the information provided by the traffic control department and the on-site investigation, the demand for the main line and ramps in this road section is time-dependent, in which the morning and evening peak traffic is re...
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