Intelligent motorcade lane-changing method

A fleet and intelligent technology, which is applied in the field of intelligent transportation and intelligent vehicle research, can solve the problems of increased dispersion of vehicles, potential safety hazards, and difficulties in changing lanes for intelligent fleets, achieving the effect of simple method and high reliability

Active Publication Date: 2018-04-20
CHANGAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, on increasingly congested roads, the lane-changing process of the smart fleet becomes difficult, and even in the lane-changing process, the smart fleet is separated by other vehicles, and the dispersion of vehicles is gradually increasing, affecting The communication effect between vehicles in the smart fleet is likely to cause certain safety hazards

Method used

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Embodiment

[0027] see figure 1 with figure 2 , the present invention comprises the following steps:

[0028] Step 1: Detection of lane changing conditions. As mentioned above, the smart fleet numbered 1, 2, ..., N travels at a certain speed V 0 , a fixed following distance L 0 Driving; the lane change of No. 1 car is the core problem of the whole intelligent fleet. Therefore, firstly, the motion state information of the vehicles around No. 1 car is obtained through the radar device of the smart vehicle, mainly including V f , V obj1 , V obj2 、D f 、D obj1 、D obj2 Six key parameters. The driving speed of No. 1 car is V 1 Indicates that the driving speed of No. 2 car is represented by V 2 Means; at the same time, intelligent vehicles can share these information based on the vehicle-to-vehicle communication technology;

[0029] Step 2: Car No. 1 changes lanes. Calculate the TTC between car No. 1 and the car behind the target lane, if the time to collision (TTC) and the safe dis...

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Abstract

The invention discloses an intelligent motorcade lane-changing method adopting a fairly mature single-vehicle lane-changing technology to carry out safety control, and follow-up vehicles of a motorcade safely change the lane after successful land-changing of the front vehicles. The lane-changing method is efficient and safe, original formation of the motorcade cannot be disorganized by other manned driving vehicles, and then communication problems between cars in the motorcade cannot be disturbed. The intelligent motorcade lane-changing method is simple, and reliability is high.

Description

technical field [0001] The invention belongs to the field of intelligent traffic and intelligent vehicle research, and in particular relates to a lane-changing method for intelligent fleets. Background technique [0002] In recent years, with the extensive application of sensor technology and computer technology in the automotive field, the rapid rise of intelligent vehicles (unmanned vehicles) has become a new trend in the development of the automotive industry. [0003] Since intelligent vehicles have strong environmental perception and vehicle-to-vehicle communication capabilities, intelligent vehicles can drive in formation with a very close following distance (theoretically close to 0m), which can greatly improve road utilization and road traffic capacity. However, for a long period of time, intelligent vehicles and manned vehicles will mix on the road, and it is easy to cause traffic accidents due to poor communication between the two vehicles. During the driving proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/10B60W30/165B60W50/00
CPCB60W30/10B60W30/165B60W50/00B60W2050/0075B60W2554/80B60W2554/801B60W2554/804B60W2556/65G08G1/167G08G1/22
Inventor 吴付威贾丙硕冀永强付锐王畅
Owner CHANGAN UNIV
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