Vehicle safety device and control method based on driver's facial features

Abstract

The invention discloses a vehicle safety device based on driver's facial features and a control method thereof, including an ECU, a door closing sensor, a cushion pressure sensor, an infrared night vision camera, a buzzer, a brake, a radar, a vehicle speed sensor, and an airbag; each part Synergistic effect, on the one hand, when the real-time position of the sagittal plane of the driver’s face deviates from the initial position horizontally by more than 5 degrees to the left or right, and the duration lasts for 1s to 3s, the driver is warned to look forward as soon as possible. When the real-time position deviates from the initial position horizontally to the left or right by an angle of more than 5 degrees and lasts for more than 3 seconds, the driver is warned to look ahead as soon as possible and brake the vehicle; on the other hand, in the event of a frontal collision, Based on whether the driver wears glasses, the size of the frame, and the angle at which the real-time position of the sagittal plane of the driver's face deviates from the initial position horizontally to the left or right, the airbag ignition level and inflation volume are controlled to minimize or avoid driver injury.

Description

technical field [0001] The invention belongs to the field of automobile safety, and in particular relates to a vehicle safety device based on driver's facial features and a control method thereof. Background technique [0002] During the driving process of the driver, more than 80% of the road information ahead is obtained by vision. According to investigations, among the causes of frontal collisions of vehicles, the vast majority are due to the driver's eyes not looking ahead, thereby negligently observing the road ahead. [0003] Currently, conventional airbags are designed to protect drivers who are not wearing glasses. However, more and more drivers wear glasses. In the event of a frontal collision, the "indiscriminate" detonation of the traditional airbag will instantly and violently squeeze the glasses, which will further cause the glasses to squeeze the driver's face. This will not only fail to protect the driver , and will cause additional damage to the driver. C...

AI Technical Summary

Problems solved by technology

However, more and more drivers wear glasses. In the event of a frontal collision, the "indiscriminate" detonation of the traditional airbag will instantly and violently squeeze the glasses, which will further cause the glasses to squeeze the driver's face. This will not only fail to protect the driver , and will cause additional damage to the driver

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