Servomechanism

noun

Definitions

Noun
  1. 1
    A mechanical device for controlling large amounts of power by means of smaller amounts of power and correcting the performance of the device using feedback.
  2. 2
    control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system wordnet
  3. 3
    Any system which controls motion automatically using feedback.

Etymology

From servo- + mechanism.

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