Some Considerations About the Refinements and the Accuracy of PID-Controllers

Abstract In now-days, the PID controllers are still implemented in the industrial applications of automatic control. The purpose of this paper is to improve the PID standard algorithm evaluating the PID control output value by some numerical refined methods and by computational accuracy of the hardware support. The experimental results were obtained in simulation, using a second-order closed-loop system with a first order plant model with time delay.