Reduced active components count electronically adjustable fractional-order controllers: Two design examples

Abstract

This paper deals with fractional-order controller implementations, which can be constructed by electronically controlled building blocks fully integrated on a single chip. The proposed DC motor controller structure offers 50% reduction of the active components count, compared to the corresponding already published counterpart. The proposed liquid level of the two-interacting-tank controller scheme is the first one in the literature offering the aforementioned features. Simulation results, based on the 0.35 µm Austria Mikro Systeme technology process, confirm the correct operation of both proposed controllers.