olemus
mehaanilise liikumise tagasisidestatud automaatjuhtimine
= feedback automatic control of mechanical movement

ISO/TR 11065:
juhtimismeetod, mille puhul võrreldakse juhitava elemendi nõutavat olekut esitavat signaali ja tegelikku olekut esitavat signaali ning juhtelement rakendab toimet, mille määrab nende signaalide vahe
= control method in which a signal representing the required state of the controlled element is compared with a signal representing the actual state the controlling element takes up a position determined by the difference between these signals

ülevaateid
https://en.wikipedia.org/wiki/Servo_control

https://www.a-m-c.com/motion-control-overview/

http://support1.motioneng.com/pdf_notes/powerpoint/Introduction%20to%20PID%20and%20Tuning4.pdf

https://www.baldor.com/Shared/manuals/1205-394.pdf

https://www.sparkfun.com/servos

https://learn.sparkfun.com/tutorials/basic-servo-control-for-beginners/all