10. Navigation and guidance system
MiR250 Hook User Guide (en) 01/2023 - v.1.2 ©Copyright 2021-2023: Mobile Industrial Robots A/S. 111
Figure 10.9 Objects below 30 mm from the ground are not detected by the camera. This value increases by
10mm per meter from the robot.
The 3D cameras have the following limitations:
• They can only detect objects in front of the robot, unlike the full 360° view of the laser
scanners.
• They do not detect transparent or reflective obstacles well.
• They do not detect holes or descending stairways.
• The cameras are not reliable at determining depth when viewing structures with repetitive
patterns.
• The cameras may detect phantom obstacles if they are exposed to strong direct light.
Proximity sensors
Using infrared light, the proximity sensors point downwards and detect low objects around the
corners of the robot outside the field of view of the safety scanners and 3D cameras.
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