Method of simulated estimate of expressway-traffic-accident-affected areas based on particle filter algorithm
A particle filter algorithm, expressway technology, applied in the traffic control system of road vehicles, traffic flow detection, traffic control system, etc., can solve the problem that it is difficult to accurately reflect the traffic operation status and development trend
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[0067] The method for simulating and estimating the impact range of expressway traffic events based on the particle filter algorithm provided by this embodiment includes the following steps:
[0068] Step 1, obtain the highway traffic network structure data, the highway traffic road network structure data mainly includes the length of each road section, the number of lanes, and the connection of lanes, and draw the corresponding simulated road through the highway traffic road network structure data Network structure diagram, and according to the actual position information of the vehicle detector layout, virtual vehicle detectors are deployed at the corresponding positions of the simulated road network to establish a highway simulation model;
[0069] Step 2. Obtain the traffic event information in the scope of influence to be estimated, including the event occurrence time, stake number range, driving direction and expected duration;
[0070] Step 3, according to the traffic e...
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