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New emergency vehicle preferential pass method and system based on vehicle-road cooperation

An emergency vehicle and priority pass technology, applied in the field of intelligent transportation, can solve problems such as the impact of conventional social traffic flow, and achieve the effect of avoiding vehicle driving conflicts and reducing the impact.

Active Publication Date: 2015-04-29
WUHAN KOTEI TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, these systems carry out preemptive intersection signal priority control strategies for emergency vehicles, which usually have a greater impact on regular social traffic flow

Method used

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  • New emergency vehicle preferential pass method and system based on vehicle-road cooperation
  • New emergency vehicle preferential pass method and system based on vehicle-road cooperation
  • New emergency vehicle preferential pass method and system based on vehicle-road cooperation

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Embodiment Construction

[0065] Based on the vehicle-road coordination method, the present invention adopts DSRC, a wireless communication technology characterized by low delay, high reliability, and high throughput, to construct an intersection priority passing system for emergency vehicles. By providing real-time information interaction between the emergency vehicle and the roadside signal control system, the system enables the controlling party (signal machine) to establish instant communication with the controlled party (emergency vehicle). The more fine-grained traffic control information of the vehicle is used to generate the most suitable traffic signal control scheme for the current priority of emergency vehicles. At the same time, the controlled party can also obtain information services such as speed guidance, which greatly improves the implementability of the signal priority control scheme and reduces the impact of priority traffic control on conventional social traffic flow.

[0066] The p...

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Abstract

The invention relates to the field of intelligent transportation, discloses a new emergency vehicle preferential pass method and system based on vehicle-road cooperation, and particularly provides a new emergency vehicle preferential pass method for signal timing and vehicle speed guidance of an intersection. The new emergency vehicle preferential pass system comprises a road side unit and a vehicle-mounted unit. By means of a vehicle-road cooperation method, due to real-time information interaction between an emergency vehicle and a road side signal control system, when the emergency vehicle gets into an intersection communication range, the road side signal control system can generate a corresponding emergency vehicle preferential pass scheme according to the current signal phase and the actual situation of vehicles queuing up at the intersection. Under the premise that vehicle confliction is avoided, signal timing and vehicle speed guidance are carried out, and therefore the emergency vehicle passes preferentially. Meanwhile, by means of the new method, adverse effects of preferential pass of the emergency vehicle on conventional social traffic flow can be reduced.

Description

technical field [0001] The invention relates to the field of intelligent transportation, and discloses a new method and system for priority passage of emergency vehicles based on vehicle-road coordination. Background technique [0002] Emergency vehicles such as ambulances and fire trucks are part of the urban traffic flow. How to improve their operating efficiency, reliability and safety while reducing the adverse impact of emergency vehicles on the regular traffic flow of the society has become an important issue in intelligent transportation in recent years. Hotspots and difficulties in field research. Traffic signal control, as the main measure to regulate traffic flow, improve safety, and alleviate intersection congestion, often hinders emergency rescue vehicles because of the queuing vehicles caused by it. [0003] At present, there have been emergency vehicle priority passage systems at intersections constructed using dedicated short-range communication (Dedicated Sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/087
Inventor 褚端峰王小宇龙文民施辉胡超伟王磊彭顺
Owner WUHAN KOTEI TECH CORP
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