servomechanism
noun
- automatic device that uses error-sensing negative feedback to correct the action of a mechanism.
Wiktionary
noun
Etymology: Etymology tree Proto-Indo-European *ser-der.? Proto-Italic *serwos Latin servusder. English servo- Proto-Indo-European *megʰ-der.? Ancient Greek μηχᾰνή (mēkhănḗ)der. New Latin mechanismuslbor. English mechanism English servomechanism From servo- + mechanism.
- 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.
- Any system which controls motion automatically using feedback.