Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001
· Integral controllers tend to respond slowly at first, but over a long period of time they tend to eliminate errors.
· The integral controller is based on a simple integration.
· If the constant K is small, the longer term error will slowly drop off. If K is large the long term error will be reduced quickly. Too large a K value will result in a signal that grows out of control.
· Try controlling the water tank with the I controller,
