feedback system

Output-adjusting input mechanism

A feedback system is any arrangement where outputs are routed back as inputs, allowing the system to regulate or adjust itself.

A thermostat is a classic example—temperature readings feed back to control heating.

In audio, feedback occurs when a microphone picks up its own amplified sound, creating that familiar squeal.

The concept applies broadly: The body's hormonal feedback system maintains equilibrium.

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signal · sensor · real time · regulator · thermostat · amplifier · oscillation · equilibrium · steady state · adjustment · correction · course correction · fine tuning · homeostasis · circuit · calibration · noise · gain

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feedback, system, feed, back, feeding, feeds, feeder, feeders, backs

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