servomechanism
servomotor
servo-operated
servopositioning
servo-powered
servo-processor
servoresponse
servorobot
servo-router
servosystem
  servo-type
servovalve
session
set
setable
set-back
set-in
set-oriented
setover
set-point
setpoint

    servo-type mechanism

     сервомеханизм

     следящая система