Urban area path real-time planning method based on cooperation between vehicles and roads
A technology of urban area and vehicle-road coordination, which is applied in the field of path planning, intelligent transportation/vehicle-road coordination technology, and can solve the problems of not taking into account the difference in vehicle spending time, deviation, calculation accuracy and real-time performance.
Active Publication Date: 2018-12-11
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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[0018] (3) At present, the data used in the research of path planning system is mainly obtained indirectly based on sources such as mobile trajectory, mobile phone signaling and detectors, and there is a certain deviation from the real scene, resulting in some shortcomings in calculation accuracy and real-time performance
In the traditional method, the method of calculating a road resistance weight value for each road section does not take into account the fact that the vehicle takes different time to turn under the influence of the light control signal. In urban roads, the road resistance change caused by signal control is very obvious
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[0054] (1) A real-time path planning method considering the influence of light control under the vehicle-road coordination system
[0055] The core idea of this method is to use the roadside signal control data provided by the vehicle-road coordination technology and the communication means of the V2X network to provide a refined comparison considering signal control for multiple routes with similar travel times provided by the global algorithm. , and gradually get the optimal driving route for the whole journey. Method flow chart as figure 1 shown. The specific implementation steps of this method are as follows:
[0056] Step 1: Establish V2X network communication between the intelligent vehicle information terminal (On board Unit, OBU) installed on the vehicle and the roadside terminal (RoadSide Unit, RSU).
[0057] Step 2: The vehicle terminal reports the required statistical data to the roadside terminal according to the vehicle bus and sensor information, and sends a...
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The invention provides an urban area path real-time planning method based on cooperation between vehicles and roads. According to the dispersing process of queuing vehicles, the urban area path real-time planning method based on cooperation between vehicles and roads divides the road conditions into a parking situation, a no-parking deceleration situation and a uniform driving situation, and calculates a road resistance value according to different situations. The urban area path real-time planning method based on cooperation between vehicles and roads fully utilizes the high-efficiency information interaction technological advantage brought by the advanced vehicle-road cooperation technology, proposes a calculation method considering the travel time of a vehicle on a road section and an intersection under the influence of traffic signal control so as to provide a phased urban area optimal path optimization method for the traditional path method, and can provide technical support and theoretical basis for solving the path problem in the vehicle-road cooperation system.
Description
technical field [0001] The invention belongs to the field of intelligent transportation / vehicle-road coordination technology and path planning, and specifically relates to a vehicle-road coordination-based system that takes intersection traffic signal control and path steering information as influencing factors and further optimizes the results obtained by traditional path planning systems. Real-time planning and decision-making method for regional routes. Background technique [0002] With the increase of the number of automobiles in our country year by year, while the popularization of vehicles brings convenience to people's travel, due to the relatively slow construction of supporting road facilities, traffic congestion occurs frequently. At present, floating vehicle technology or fixed traffic detector technology are commonly used as real-time traffic data collection and analysis methods, but the types of real-time traffic data that can be provided by a single data colle...
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IPC IPC(8): G08G1/0968G08G1/01
CPCG08G1/0116G08G1/012G08G1/0968
Inventor 王庞伟邓辉王力蒋依伦张名芳
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY