What is a collision avoidance system?

Stuart Wright

AVForums Founder
Staff member
A collision avoidance system is an automobile safety system designed to reduce the severity of a collision. It is also known as a precrash system, forward collision warning system, or collision mitigating system. It uses radar (all-weather) and sometimes laser (LIDAR) and camera (employing image recognition) to detect an imminent crash.

Once the detection is done, these systems either provide a warning to the driver when there is an imminent collision or take action autonomously without any driver input (by braking or steering or both). Collision avoidance by braking is appropriate at low vehicle speeds, while collision avoidance by steering is appropriate at higher vehicle speeds. Cars with collision avoidance may also be equipped with adaptive cruise control, and use the same forward-looking sensors.
Collision avoidance system - Wikipedia
 

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