Confluence area mixed traffic speed cooperative control method based on stability analysis

A mixed traffic and collaborative control technology, which is applied in the traffic control system of road vehicles, traffic control system, traffic flow detection, etc., can solve the problems of mixed traffic flow without effective research and control methods lagging behind, so as to reduce the risk of traffic flow , reduce the accident rate, reduce the effect of exhaust emissions

Active Publication Date: 2021-08-13
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

Although the existing research has established the concept of stability analysis, effective research has not been carried out on the implementation of control based on the s

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  • Confluence area mixed traffic speed cooperative control method based on stability analysis
  • Confluence area mixed traffic speed cooperative control method based on stability analysis
  • Confluence area mixed traffic speed cooperative control method based on stability analysis

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In an embodiment of the present invention, a method for coordinated speed control of mixed traffic in a merge area based on stability analysis is carried out in accordance with the following steps: Step S1, with "1+ N "The form constitutes a vehicle cluster, "1" represents 1 CAV," N "Represents the number of HVs following; "1+N" represents the mixed traffic flow composed of intelligent self-driving vehicles CAVs and human-powered vehicles HVs. To build an analytical mo...

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Abstract

The invention discloses a confluence area mixed traffic speed cooperative control method based on stability analysis, and the method specifically comprises the steps: forming a vehicle cluster in the form of '1 + N', the '1' representing one intelligent automatic driving vehicle (CAV), and 'N' representing a plurality of following artificial vehicles (HV); constructing an intra-cluster stability analysis model, and analyzing intra-cluster stability conditions; on the premise that the intra-cluster stability condition is met, constructing an inter-cluster stability model and analyzing the inter-cluster stability condition; based on intra-cluster and inter-cluster stability conditions, establishing a cluster cooperation speed control model, and under the condition that the intra-cluster and inter-cluster stability conditions are met, introducing the confluence cluster to smoothly enter the confluence area by controlling the CAV speed. According to the method, the highway confluence area is used as a research object, the speed cooperative control model is constructed on the premise of stability, the accuracy is improved, the traffic flow risk is effectively reduced, the dynamic space occupancy is improved, and tail gas emission is reduced.

Description

technical field [0001] The invention belongs to the technical field of speed control, and relates to a method for coordinated speed control of mixed traffic in a merge area based on stability analysis. Background technique [0002] In recent years, the increase in the number of motor vehicles and the development of urbanization have made traffic accidents, exhaust emissions, and environmental pollution more and more serious. The development of autonomous driving technology provides a feasible technical solution for the realization of intelligent and efficient transportation; the improvement of intelligent network technology provides a prerequisite for vehicle-to-vehicle communication under automatic driving. However, limited by technological development and policy requirements at this stage, the mixed traffic flow including CAV will last for a long time, making research on mixed traffic necessary and objectively valuable. At this stage, in the research of mixed traffic, spe...

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Application Information

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IPC IPC(8): G08G1/01
CPCG08G1/0125G08G1/0137
Inventor 郝威戎栋磊张兆磊易可夫王正武刘理吴其育
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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