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A servomechanism, or servo, is an automatic device that uses error-sensing negative feedback to correct the performance of a mechanism.

The term correctly applies only to systems where the feedback or error-correction signals help control mechanical position, speed or other parameters. For example, a car's cruise control uses closed loop feedback, which classifies it as a servomechanism. An automatic power window control on that same car is not a servomechanism, as there is no automatic feedback that controls position – the operator does this by observation.

Animatics makes highly reliable machine building from simple two-axis pick and place applications to installations of more than 1,000 servos instantly synchronized in coordinated motion.

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