The invention provides a method and a system for acquiring the cargo transport lane traffic capacity of a passenger and cargo separating expressway. The method is characterized by comprising the steps of acquiring traffic information data of a section of an expressway cargo transport lane; calculating the axle number of each vehicle in the traffic information data, and selecting a type of vehicles with the axle number occupying the highest proportion as a standard vehicle; clustering all of the vehicles in the traffic information data according to a power-to-weight ratio and overall dimensions, and classifying the vehicles in the traffic information data into M categories according to vehicle types on the basis of a clustering result, wherein the power-to-weight ratio and the overall dimensions of the standard vehicle fall into a certain category of the M categories; acquiring an equivalent convert coefficient of each vehicle type relative to the standard vehicle at a non-car-following state and a car-following state, wherein the equivalent covert coefficient of the vehicle type to which the standard vehicle belongs relative to the standard vehicle is 1; and acquiring the traffic capacity of the section of the expressway cargo transport lane at the non-car-following state and the car-following state under conditions of any vehicle type mixing ratio by being combined with a traffic capacity calculation model according to the equivalent covert coefficients.
Method and system for acquiring cargo transport lane traffic capacity of passenger and cargo separating expressway
16.09.2015
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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