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Reversible lane departure and forward collision pre-warning algorithm based on state of driver

A technology of driver status and collision warning, which is applied in the field of variable lane departure and front vehicle collision warning algorithms, can solve problems such as missed alarms, false alarms of the warning system, and decreased driver trust, so as to avoid irritability and dissatisfaction, improve Accuracy rate, the effect of improving trust

Inactive Publication Date: 2019-06-07
CHANGAN UNIV
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Problems solved by technology

[0003] Although the current lane departure warning system and front collision warning system play a great role in preventing traffic accidents, in the process of actual application, false alarms and missed alarms of the warning system will occur, causing drivers to be indifferent to these two types of early warning systems. The trust of the system has declined

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  • Reversible lane departure and forward collision pre-warning algorithm based on state of driver

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Embodiment Construction

[0029] 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.

[0030] refer to figure 1 , the embodiment of the present invention provides a variable lane departure and front vehicle collision warning algorithm based on the state of the driver, comprising the following steps:

[0031] Step 1, record the driving time of the driver's continuous driving;

[0032] Step 2, perform a first-level fatigue evaluation on the driver's state according to the driving time;

[0033] Step 3, recording the average speed of the driving ...

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Abstract

The invention discloses a reversible lane departure and forward collision pre-warning algorithm based on the state of a driver. The reversible lane departure and forward collision warning algorithm based on the state of the driver comprises the following steps that 1, driving time of continuous driving of the driver is recorded; 2, first-level tiring evaluation is conducted on the state of the driver according to the driving time; 3, average speed of a driven car is recorded; 4, second-level tiring evaluation is conducted on the state of the driver according to the average speed of the drivencar; 5, grading is conducted on the state of the driver combined with the result of first-level tiring evaluation on the state of the driver in the step 2 and the result of second-level tiring evaluation on the state of the driver in the step 4; and 6, according to the grading result of the state of the driver, driver reaction time in a lane departure pre-warning system and a forward collision pre-warning system is adjusted. According to the reversible lane departure and forward collision pre-warning algorithm based on the state of the driver, the false alarm rate and the missing report rate of the lane departure pre-warning system and the forward collision pre-warning system are effectively reduced, and accuracy of the pre-warning systems is improved.

Description

technical field [0001] The invention relates to the technical field of vehicle safety, in particular to a driver state-based variable lane departure and front vehicle collision warning algorithm. Background technique [0002] Lane departure warning system and forward vehicle collision warning system are the necessary basic functions of ADAS system, which are generally configured in some high-end cars and commercial buses. The application of lane departure system and front collision system has effectively reduced the occurrence of traffic accidents, especially traffic accidents caused by driving fatigue and driving distraction. With the continuous development of sensor technology and corresponding algorithms, lane departure warning systems and front collision warning systems will play a greater role and be more common in vehicles. [0003] Although the current lane departure warning system and front collision warning system play a great role in preventing traffic accidents, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W40/08B60W50/14
Inventor 王畅李文谷梦路苏彦奇
Owner CHANGAN UNIV
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