PID Control Calculation

Name

Description

En

Current Sampling Deviation

En-1

Deviation of the Preceding Interval

Kp

Proportional Gain

Ki

Integral Gain

Kd

Derivative Gain

Ts

Sampling Interval

á

Filter Coefficient

MVn

Current Manipulation Value

MVn-1

Manipulation Value of the Preceding Sampling Cycle

SV

Set Value

PVn

Process Value of the Present Sampling Cycle

PVnf

Process Value of the Present Sampling Cycle After Filtering