edge positioner

例句：

1. 1. The edge positioner was used to detect the location of the object on the surface.
   边缘定位器被用来检测物体在表面上的位置。
2. 2. The edge positioner helped the robot to navigate through the cluttered environment.
   边缘定位器帮助机器人在杂乱的环境中导航。
3. 3.The edge positioner is crucial for ensuring the safety of the workers in the factory.
   边缘定位器对于确保工厂工人的安全至关重要。