TLS Online TPP Program

#Question id: 40563


The transfer function of a Proportional-Integral (PI) controller ๐บ๐ถ(๐‘ ) is given by 

where ๐พ๐ถ is the controller gain, ๐œ๐ผ is the controller integral time constant and s is the Laplace variable. The role of the integral component of the controller is to ____________. 

#Unit 12. Biochemical Engineering
  1. integrate the difference between the process and manipulated variable 
  2. integrate the difference between the set point and disturbance variable
  3. integrate the difference between the set point and the measured variable
  4. integrate the difference between the input and output variable