A fractal cooperative control method for vehicles in a holographic environment
A collaborative control and vehicle technology, applied in the direction of road vehicle traffic control systems, traffic control systems, instruments, etc., can solve the problems of poor control effect and poor practicability, and achieve the effect of strong practicability and good control effect.
Active Publication Date: 2011-12-14
ZHEJIANG UNIV OF TECH
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Problems solved by technology
[0006] In order to overcome the shortcomings of poor control effect and poor practicability of existing vehicle cooperative control methods, the present invention provides a vehicle fractal cooperative control method in a holographic environment with good control effect and strong practicability
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Embodiment Construction
[0021] The present invention will be further described below.
[0022] A vehicle fractal cooperative control method in a holographic environment, comprising the following steps:
[0023] ① Establish a fractal model,
[0024] The overall fractal model will be composed of the fractal shape structure Fout and internal functions Fin, that is, F=, Fout is obtained based on the self-similarity of the spatial distribution of the vehicle cooperation unit, using the method that can describe the affiliation relationship of fractal bodies at all levels, The three-dimensional fractal structure matrix of information such as the mutual positional relationship of the spatial distribution and the traffic conditions presented, the first and second dimensions of the fractal structure matrix A represent the spatial position of the fractal body, and the third dimension represents the traffic conditions presented by the fractal body. Fin is extracted based on the self-similarity in the function o...
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A vehicle fractal cooperation control method under a holographic environment comprises the following steps that: (1) a vehicle grade fractal, a road grade fractal and an area grade fractal are respectively established according to a formula (1); (2) a vehicle grade fractal cooperation process comprises: a road grade fractal performs sorting according to a spacing size of a request vehicle grade fractal and a vehicle ahead and sends a permission cooperation starting signal to the vehicle grade fractal with the smallest spacing; the vehicle grade fractal determines whether the vehicle is allowed to drive into according to a vehicle distance from a front / rear adjacent channel; if the vehicle grade fractal allows, the vehicle drives in; if the vehicle grade fractal does not allow, an original state is maintained; a cooperation ending signal is sent to the road grade fractal; a road grade fractal cooperation process is similar with the vehicle grade fractal cooperation process, and a difference between the road grade fractal cooperation process and the vehicle grade fractal cooperation process lies in carrying out ordering according to a congestion degree of the road ahead of the request road grade fractal; (3) a D2L system is used to describe a control rule of the fractal cooperation process and the vehicle cooperation process is controlled through a vertical and horizontal cooperation. By using the method, an control effect is good and practicability is strong.
Description
technical field [0001] The invention relates to the field of intelligent traffic control, in particular to a vehicle fractal cooperative control method. Background technique [0002] At present, traffic safety and traffic congestion are important factors that plague the social and economic development of countries all over the world. Traffic congestion is a scientific problem that is far from being solved. Accurate understanding of traffic flow operation rules and traffic congestion mechanism is the first prerequisite for solving this problem. And this problem is largely attributed to the vehicle cooperation problem among people, vehicles, roads and their groups under the existing road traffic conditions. [0003] The problem of vehicle cooperation refers to that the driving vehicle cooperates with other vehicles by adjusting the driving behavior based on the driver's own perception and the vehicle condition and traffic condition information obtained by means of modern infor...
Claims
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IPC IPC(8): G08G1/00
Inventor 董红召赵玉婷郭海锋
Owner ZHEJIANG UNIV OF TECH