How many IR sensors are used in the Scorpion robot and how are they arranged?
The Scorpion Robot has 20 IR sensors: 13 horizontal facing, 4 edge detecting, 3 vertical facing.The forward facing sensors are arranged in a crossing pattern to improve obstacle detection before collision, while rear facing and side facing sensors are added to aid the robot in reversing and turning maneuvers. The edge detecting sensors are aimed downward in front of the wheels path to detect stairs and ledges, while the vertical facing sensors on the bumper help to detect overhanging obstacles.