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Application of distance measurement scheme for car anti-collision system to make driving safer

2020-08-05
Automobile anti-collision system is a part of intelligent car and an intelligent device to prevent car collision. It can automatically detect vehicles, pedestrians, or other obstacle objects that may collide with the car, issue an alarm or take measures such as braking or evading at the same time to avoid collision.
Lidar Car Anti Collision System
The first problem to be solved in car anti-collision technology is that the distance between the front car and the follower car, if it is less than the safe distance, it should be able to alarm automatically and take braking measures. The main functions are: anti-collision warning, auxiliary parking, blind spot detection and so on.
Long Range Radar Sensor Alarm
Automatic anti-collision system is composed of signal acquisition system, data processing system and actuator.
1. Signal acquisition system: using Long Range Radar Sensor automotive, laser, infrared, camera and other technologies to automatically measure the distance between the two vehicles;
2. Data processing system: after processing the distance between the two cars and the instantaneous relative speed of the two cars, the computer chip determines the safe distance between the two vehicles. If the distance between the two vehicles is less than the safe distance, the data processing system will issue instructions.
3. Executor: responsible for the implementation of the instructions sent by the data processing system, issue an alarm, remind the driver to brake, if the driver does not execute the instructions, the actuator will take measures, such as closing the window, adjusting the seat position, locking the steering wheel, automatic braking, etc.
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