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Forget PID at first. If we assume PID, we're skipping steps. Write down what we know. From your description: process variable : position input : (other robot's position - following distance) loop output : this robot's position plant input : velocity plant output : this robot's position plant dynamics : simple integrator Now we can draw a system diagram: ...


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Let me just reiterate some points that I understood from your problem: e(t) is the distance from the target distance. So if e(t) = 0.5 and you want to maintain 1m distance b/w robots current distance is 1.5m correct? You said PID is giving this error which I didn't understand. I believe your approach is correct just needs some corrections. Instead of using ...


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