Wide Field of View (FOV) and High-Resolution Lidar for Advanced Driver Assistance Systems

This paper describes a two-dimensional scanning Lidar sensor technology that has 30 degree horizontal and 10 degree vertical fields of view (FOV).

We expect more demand not only for Adaptive Cruise Control (ACC), but also for low-vehicle-speed applications, such as Full Speed Range ACC (FSRACC) and Pre-Crash. For ACC, a relatively small field of view might be sufficient because it is used mainly on highways. However, low-vehicle-speed applications require much wider fields of view and accurate lateral positioning of the objects. For this reason, we set up the target of 30 degree horizontal and 10 degree vertical fields of view, and we achieved the goal with a reliable two-dimensional scanning mechanism. Also, horizontal high resolution and accurate positioning were accomplished with the mechanical scanning.