Abstract:
In this paper, first it has been studied how the
performance of a PID controller deteriorates when implemented
with lossy capacitors in its analog realization. Thereafter it has
been shown that the lossy capacitors can be effectively modeled
by fractional order terms. Finally, a novel GA based method has
been proposed to tune the controller parameters such that the
original performance is retained even though realized with the
same lossy capacitors. Simulation results have been presented to
validate the usefulness of the technique.