Service area traffic flow prediction system

A technology for prediction system and service area, applied in the field of traffic flow prediction system in service area, can solve the problems of inability to judge a single vehicle and low accuracy, and achieve the effect of strong real-time performance, high accuracy and improved accuracy

Active Publication Date: 2022-01-21
贵州省通信产业服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned patent has the following deficiencies: it predicts through the five dimensions of service area import traffic flow, service area exit traffic flow, expressway section import traffic flow, expressway section exit traffic flow, and the number of vehicles in the service area. Calculated by vehicle density, it is impossible to judge the specific factors of a single vehicle, so the accuracy is low

Method used

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  • Service area traffic flow prediction system

Examples

Experimental program
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Effect test

Embodiment 1

[0058] A traffic flow prediction system in a service area, such as figure 1 As shown, it is implemented using the random forest algorithm, which specifically includes a signal collector, multiple parallel and independent decision makers, a probability statistician, and a final decision maker. Decision maker, total high-speed driving time decision maker, whether there is a congested section decision maker, whether there is a congested section decision maker and an auxiliary decision maker in the journey to the next service area; the signal collector includes a communication connection with the high-speed entrance gate and The upstream collection device arranged upstream of the service area, the entrance collection device arranged at the entrance of the high-speed service area, and the exit collection device arranged at the exit of the high-speed service area.

[0059] The continuous driving time of the continuous driving time decision device can be compared with the current tim...

Embodiment 2

[0080] A traffic flow prediction system in a service area, such as Figure 1-10 As shown, the present embodiment makes the following improvements on the basis of Embodiment 1: the upstream collection device includes an L-shaped strut 30 fixed on the expressway pavement 100 and corresponding to the number of lanes and installed on the L-shaped strut 30 The follow-up photographing part 32 of the outer wall, the follow-up photographing part 32 includes a speedometer 31, a camera 35 and a fill light flash 36, and the speedometer 31 is fixed on the outer wall of the L-shaped pole 30, and the camera 35 The same support frame 34 is fixed with the outer wall of the supplementary flashlight 36 by bolts, and the outer wall of the support frame 34 is connected with a fixed plate 33 through a rotating shaft, and the fixed plate 33 is fixed on the outer wall of the L-shaped pole 30 by bolts, and the The outer wall of the fixing plate 33 is fixed with a driving motor 37 by bolts, and the ou...

Embodiment 3

[0083] A traffic flow prediction system in a service area, such as Figure 1-9As shown, this embodiment makes the following improvements on the basis of Embodiment 1 and Embodiment 2: the auxiliary decision maker is implemented by an auxiliary decision-making device 200, and the auxiliary decision-making device 200 is set on the preset highway pavement 100 In the pit, the auxiliary decision-making device 200 includes a frame 1, a lifting sensing module 2 arranged in the frame 1 and corresponding to the number of lanes, a support member arranged on the bottom inner wall of the frame 1 and used to support the lifting sensing module 2 19, and this embodiment does not limit the specific type of frame 1, it can be built with bricks and concrete, or on the basis of bricks and concrete, with steel plate skins added on the inside and outside, or it can be all Steel plate welded structure, preferably, the frame 1 is welded by steel plates, which is convenient for size control, transpor...

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Abstract

The invention discloses a service area traffic flow prediction system, which relates to the technical field of traffic flow prediction. The accuracy problem is solved. The system specifically comprises a signal collector, a plurality of decision-making devices which are connected in parallel and are mutually independent, a probability counter and a final decision-making device. The decision-making device at least comprises a continuous driving duration decision-making device, a current time period decision-making device, a total high-speed driving duration decision-making device, a congested road section decision-making device, a congested road section decision-making device and an auxiliary decision-making device, wherein the congested road section decision-making device exists in the distance to the next service area. According to the system, the vehicle individual is taken as a target, the random forest algorithm is taken as a basis, voting is carried out through a plurality of decision-making devices, probability statistics is carried out through a final decision-making device, comparison with a threshold value is carried out, and the traffic flow of the high-speed service area can be predicted by cooperating with the signal collector according to the vehicle entering and exiting conditions at the entrance and exit of the service area, so that the real-time performance is relatively high; and the accuracy of taking an individual as a research object is high.

Description

technical field [0001] The invention relates to the technical field of traffic flow prediction, in particular to a traffic flow prediction system in a service area. Background technique [0002] With the improvement of people's living standards, the number of private cars has increased year by year, which has brought greater pressure on road traffic, especially during holidays, when traffic jams frequently occur on the expressway, and on the expressway, as a rest In the service area of ​​the supply transfer station, the pressure of the traffic flow and passenger flow it undertakes will also increase, so how to predict the traffic flow in the service area is the key to the control of passenger flow and service in the high-speed service area [0003] After retrieval, the Chinese Patent Publication No. is CN113362598A, which discloses a method for predicting traffic flow in expressway service areas, including the following steps: first, extract the influencing factors of traffi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01G08G1/065G06Q10/04G06Q50/26E01F9/529E01F11/00
CPCG08G1/0116G08G1/0125G08G1/065G06Q10/04G06Q50/26E01F9/529E01F11/00Y02T10/40
Inventor 蓝善根陈忠义路代安简子林李春雪
Owner 贵州省通信产业服务有限公司
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