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Automatic automobile following system and method for automatic driving automobile

A technology for automatic driving and automobiles, applied in control/regulation systems, vehicle components, position/direction control, etc., to achieve accurate and reliable detection and improve ride comfort

Active Publication Date: 2019-04-19
清华大学苏州汽车研究院(吴江)
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Advanced driver assistance systems such as cruise control, adaptive cruise, and car-following systems can greatly reduce driver fatigue, improve driving comfort and traffic efficiency, but most of them still belong to L2-level driving assistance functions. The car system needs to be controlled by the driver. When the car-following system needs to be cut out during the car-following process (if another vehicle is inserted for emergency braking), the system will only give an alarm reminder, and the driver still needs to make a decision-making control

Method used

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  • Automatic automobile following system and method for automatic driving automobile
  • Automatic automobile following system and method for automatic driving automobile
  • Automatic automobile following system and method for automatic driving automobile

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Embodiment Construction

[0030] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0031] An autonomous car following system proposed by the present invention includes an environment perception system, a main control system, and a car following decision-making and control system.

[0032] When the vehicle is started, the environmental perception system, the main control system of automatic driving and the car following system are activated. The hardware of the environmental perception system includes GPS positioning and IMU inertial measurement devices, millimeter-wave radar and laser radar devices, and high-definition dynamic camera devices. The software includes GPS and IMU sensor fusion positioning algorithm, lidar and millimeter wave radar obstacle perception fusion algorithm, camera-based lan...

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Abstract

The invention discloses an automatic automobile following system and method for an automatic driving automobile. The system comprises an environment sensing system, a main control system and an automobile following decision system, wherein the environment sensing system detects environmental information of the automobile and transmits an obtained signal to the main control system and the automobile following decision system; and the main control system and the automobile following decision system control the automobile to run according to the information detected by the environment sensing system. According to the system, based on L3-level automatic driving vehicles, in the automatic driving process of the vehicles, whether to cut in the following driving control and when to cut out the following driving control can be intelligently judged according to sensing conditions, and thus driver control is not required, so that the intelligent level of the vehicles is improved.

Description

technical field [0001] The invention relates to the technical field of automatic driving, and in particular to a system and method for autonomously following a self-driving car. Background technique [0002] With the continuous improvement of automobile intelligence, self-driving cars are becoming more and more mature. Advanced driver assistance systems such as cruise control, adaptive cruise, and car-following systems can greatly reduce driver fatigue, improve driving comfort and traffic efficiency, but most of them still belong to L2-level driving assistance functions. The car system requires the driver's decision-making and manipulation. When the car-following system needs to be cut out during the car-following process (if another vehicle is inserted for emergency braking), the system will only give an alarm reminder, and the driver's decision-making and control are still required. [0003] In order to solve the above problems, the present invention proposes an autonomou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/165G05D1/00
CPCB60W30/165B60W2554/00G05D1/0061
Inventor 戴一凡韩海兰徐巍李敏
Owner 清华大学苏州汽车研究院(吴江)
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