I am trying to understand how loop gain of system determines the stability of a complete system.
Loop gain is given by 1+GH where G is forward transfer function (TF) and H is feedback factor.
If we make loop gain stable then how it is possible that my transfer function is also stable? because the poles of H becomes zeros of transfer function. So the complete systerm response changes?
How I can determine the transfer function shape from loop gain/Characteristic equation?