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Originally Posted by nzj1
I was wondering if instead of tracking two IRs on the field if you could track one IR with two or three sensors on the robot and be just as effective?
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If you only track one beacon you can determine that you are located on a circle whose center is the beacon. With two sensors you can tell the distance to the center of the circle. Unfortunately you can't tell where on the circle you are without another reference of some sort. You would need to know where you started and how far and in what direction you travled since the start to be accurate.