Vehicle automatic pilot system and method based on various sensors

An automatic driving and sensor technology, applied in the field of vehicle automatic driving system, can solve problems such as low navigation accuracy, inconvenient driving, and unreasonable driving routes, and achieve the effect of high algorithm reliability, low complexity, and high real-time performance

Active Publication Date: 2015-03-04
ZHEJIANG UNIV +1
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AI Technical Summary

Problems solved by technology

[0008] In the above auto-driving technology, since the road map is pre-stored in the vehicle, the update of its data depends on the manual operation of the driver, and the update frequency cannot be guaranteed. Moreover, even if the driver can update in time, it may be due to existing There is no latest information about roads in the resources, so the final data cannot reflect the current road conditions, which eventually leads to unreasonable driving routes and low navigation accuracy, which brings inconvenience to driving

Method used

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  • Vehicle automatic pilot system and method based on various sensors
  • Vehicle automatic pilot system and method based on various sensors
  • Vehicle automatic pilot system and method based on various sensors

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Embodiment Construction

[0042] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] figure 1 It is the algorithm flow chart of this implementation mode, and the process is now described in detail with examples:

[0044] (1) Obtaining the driving route of the vehicle; obtaining the driving route of the vehicle through the electronic map, and obtaining the position of the intersection of the driving route and the road direction of each section of the road.

[0045] (2) Radar strategy: Obtain road status and obstacle status through lidar.

[0046]2.1 Obtain the road width threshold; the current road width is extracted from the road information obtained by the laser radar, and combined with the historical road width data to obtain the road width threshold. The function of the road width threshold is to determine the maximum distance ...

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Abstract

The invention discloses a vehicle automatic pilot system and a method based on various sensors, the method includes: combining the electronic map, laser radar, GPS location and gyroscope for obtaining the real-time information of the vehicle and the road, obtaining the initial road information through the running route offered by the electronic map, obtaining the real-time road state and vehicle state through the laser radar and GPS during the vehicle running process, correcting through the gyroscope by combining the data of the electronic map, laser radar and GPS and obtaining the final automatic pilot strategy. The method is low in complexity, the radar strategy and the GPS strategy can be executed in a parallel mode and the real-time performance is high; various sensors are used and the data of various sensors is used for correcting and checking for having high algorithm reliability; a small amount of road information offered by the electronic map is used not collecting the data on the spot and the system and the method are suitable for the complex environment.

Description

technical field [0001] The invention belongs to the technical field of vehicle automatic driving, and in particular relates to a vehicle automatic driving system and method based on various sensors. Background technique [0002] With the development of society and the improvement of people's living standards, the number of household cars is showing a blowout growth. According to statistics, the number of cars in China has reached 180 million in 2013. There are serious traffic congestion in a large number of cities, which seriously affects economic and social development. . [0003] At present, traffic dispatching mainly relies on traffic signals, and driving is done by drivers. Each traffic vehicle in a congested road section is an independent unit, and the coordination between vehicles is mainly realized by the experience of the driver. Once the driver has insufficient experience or does not obey the traffic signals, it is very easy to cause traffic accidents, which will a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/0968
CPCG08G1/096725
Inventor 杨国青李红逄伟刘远源杨增辉吴朝晖
Owner ZHEJIANG UNIV
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