servomechanism

ser·vo·mech·a·nism  (sûrv-mk-nzm)

n.

1. A feedback system that consists of a sensing element, amplifier, and servomotor, used in the automatic control of a mechanical device.

2. A self-regulating feedback system or mechanism: "We do not need to know in detail how the minute chemical servomechanisms of the muscles operate in order to move our arms" Harper's.

---

[servo(motor) + mechanism.]

---

servomechanism

Noun

a device which converts a small force into a larger force, used esp. in steering mechanisms

---

servomechanism

a closed-circuit feedback system used in the automatic control of machines, involving an error-sensor using a small amount of energy, an amplifier, and a servomotor dispensing large amounts of power. Also called servo. — servomechanical, adj.

See also: Automation

Thesaurus

Noun

1.

servomechanism - control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system servo, servosystem control system - a system for controlling the operation of another system