Error Correction of Error Correction:

Harish's Notebook - My notes... Lean, Cybernetics, Quality & Data Science.

If I were asked to explain cybernetics, the first thing that would come to my mind would be – error correction. The example that is often used to explain cybernetics is that of the steersman. You have a steersman on a boat moving from point A to point B. Ideally, the boat should move from point A to B in a straight line. However, the wind can change the direction of the boat, and the steersman has to adjust accordingly to stay on course. This negative feedback loop requires a target such that the difference from the target is compensated. In technical terms, there is a comparator (something that can measure) that checks on a periodic or continuous basis what the difference is, and provides this information to make adjustments accordingly. Let’s call this framework as first order cybernetics. In this framework, we need a closed loop so that we…

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