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Unmanned method and system based on virtual track and moving block technique

A technology of unmanned driving and virtual track, which is applied in the traffic control system, anti-collision system, and traffic control system of road vehicles, which can solve the problems of high cost, unfavorable industrialization, strong dependence on vehicle environment perception, and control algorithm work efficiency. Require high-level problems to achieve the effect of increasing traffic density and improving driving efficiency

Active Publication Date: 2016-06-08
BEIJING JIAOTONG UNIV
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide an unmanned driving method and system based on virtual track and mobile block technology, so as to solve the problem that vehicles in the prior art are highly dependent on environmental perception and have high requirements on the working efficiency of the control algorithm itself. , and the resulting high cost is not conducive to the problem of industrialization

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  • Unmanned method and system based on virtual track and moving block technique
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  • Unmanned method and system based on virtual track and moving block technique

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Embodiment Construction

[0048] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0049] Aiming at the problems existing in the prior art, the present invention provides an unmanned driving control method based on the combination of "virtual track" and mobile block. We realize the guidance of the vehicle driving direction by building a "virtual track" similar to the rail function. In turn, the dependence of the system on the vehicle's own capabilities can be greatly reduced. The "virtual track" mentioned in this solution can use a device similar to rails to realize vehicle guidance through physical cont...

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Abstract

The invention discloses an unmanned method and system based on a virtual track and the moving block technique. The unmanned method comprises the steps that S1, the virtual track of an unmanned vehicle is built; S2, the safe distance between the current vehicle and a front vehicle is acquired; and S3, on the basis of comparison between the actual distance based the current vehicle and the front vehicle and the sum of the safe distance and the maximum parking distance, the current vehicle is subjected to running control. According to the unmanned method and system based on the virtual track and the moving block technique, the virtual track and the moving block technique based on communication are introduced into the road unmanned system, various random phenomena occurring in the road vehicle running process can be effectively dealt, accordingly, a disorganized driving mode at first becomes orderly, and the design complexity of the system and the cost of the unmanned vehicle are greatly reduced.

Description

technical field [0001] The invention relates to the field of unmanned driving, in particular to an unmanned driving method and system based on virtual track and moving block technology. Background technique [0002] With the increasing density of road vehicles, the disadvantages of human-driven vehicles are becoming more and more obvious. These disadvantages lead to urban traffic congestion and serious threats to the safety of people's lives and property. Unmanned driving technology can theoretically enable vehicles to drive safely and efficiently on the road, so it is favored by people. However, due to the complexity of the road environment, it is quite difficult to realize driverless cars, which has also become a bottleneck of the technology. Therefore, it is an important topic to study how to realize the automatic driving of vehicles in this complex and changeable environment. [0003] A driverless car is a smart car that senses the surrounding environment of the vehicl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/095B60T7/12G08G1/0967G08G1/16
CPCB60T7/12B60T2201/022B60W30/0956B60W2554/801G08G1/096725G08G1/166
Inventor 艾渤张煜钟章队熊磊郑伟马慧茹
Owner BEIJING JIAOTONG UNIV
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