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Car following control system and method for intelligent driving vehicle

A technology of intelligent driving and control method, applied in the field of follow-up control system of intelligent driving vehicles, can solve the problems that intelligent driving vehicles are difficult to realize human-like driving and cannot satisfy the driving experience, and achieve low cost, good real-time performance, and improved The effect of comfort

Active Publication Date: 2021-11-23
SAIC MOTOR
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  • Description
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AI Technical Summary

Problems solved by technology

In the existing two technologies, when following the vehicle in front, the control strategy of fixed distance is adopted, which makes it difficult for the intelligent driving vehicle to realize human-like driving in the car-following scene, let alone satisfy a more comfortable driving experience

Method used

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  • Car following control system and method for intelligent driving vehicle
  • Car following control system and method for intelligent driving vehicle
  • Car following control system and method for intelligent driving vehicle

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Embodiment Construction

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0068] Intelligent driving vehicles are equipped with various sensors such as cameras, millimeter-wave radars, ultrasonic radars, vehicle speed sensors, and navigation and positioning systems. Through the sensory information fusion module, the original information obtained from the sensors can be fused, analyzed, and processed to extract lane lines. , road speed limit, obstacle information, vehicle speed, acceleration, gear and other information. Then through ...

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Abstract

The car following control system and method of the intelligent driving vehicle provided by the present invention obtains the corresponding following time distance and safe parking distance according to the real-time vehicle speed of the intelligent driving vehicle and the real-time traffic state of the road where the intelligent driving vehicle is located, and then automatically adjusts the following The speed of the vehicle and the distance from the vehicle in front. The present invention adopts the following time distance and safe parking distance consistent with the real-time traffic state of the road and the real-time speed of the vehicle, compared with the existing control strategy of fixed distance, so that the behavior of the intelligent driving vehicle is more in line with human driving habits . Further, the real-time traffic status of the road where the smart driving vehicle is calculated is calculated by using the speed information of the vehicle in front of the smart driving vehicle. Compared with the traditional fixed-point monitoring traffic status method, the cost is low and the real-time performance is good.

Description

technical field [0001] The present invention relates to the field of intelligent driving vehicles, and more specifically, relates to a vehicle following control system and method for intelligent driving vehicles. Background technique [0002] At present, the intelligent driving technology for car-following scenarios mainly includes ACC (Adaptive Cruise Control, adaptive cruise control) and TJA (Traffic Jam Assistant, traffic jam assist) control. Both of the existing technologies adopt a timed distance control strategy when following the vehicle in front, which makes it difficult for intelligent driving vehicles to achieve human-like driving in car-following scenarios, let alone satisfying a more comfortable driving experience. Therefore, there is an urgent need for a new car-following control method. Contents of the invention [0003] In view of this, the present invention proposes a follow-up control system and method for an intelligent driving vehicle, in order to achie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W30/16B60W40/105B60W40/04
CPCB60W30/16B60W40/04B60W40/105
Inventor 刘一荻徐磊徐向敏张显宏
Owner SAIC MOTOR
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