A Study of the Effects of Proportional, Integral and Derivative Controller in the Speed Regulation of an Armature Controlled Direct Current Motor

Abstract

This paper presents a study of the effects of
proportional (P), integral (I) and differential (D)
controller in speed regulation of a direct current
(DC) motor. Controlling the speed of a DC
motor is very important as any small change can
lead to instability of the closed-loop system. The
steady-state equation of a motor is given. All
simulations were performed in Matlab.
Simulations were performed in three-fold: The
open-loop system response is first analyzed.
Then feedback without PID control is studied.
Finally, PID control is applied. Results obtained
show that a combination of P, I and D can
maintain stability and improve the overall
system performance.