Real-time vehicle trajectory data-based intersection flow estimation method
A vehicle trajectory and intersection technology, which is applied in the traffic control system of road vehicles, traffic flow detection, traffic control system, etc., can solve the problems of data sparseness, high maintenance cost, and low capture rate, and achieve high accuracy and method Advanced, Robust Effects
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[0049] The present invention will be described in detail below with reference to the drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation mode and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0050] Such as figure 1 As shown, due to the periodic replacement of signals at signalized intersections, multiple traffic waves will be formed at the intersection. When the red light turns on, the vehicles are forced to stop and join the queue in turn; when the green light turns on, the vehicles start to leave the intersection at a saturated flow rate. Based on the time and space trajectory map of the vehicle at the intersection, the estimated time of arrival and departure of the vehicle can be accurately learned, and then the cycle flow estimation can be realized.
[0051] The p...
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