A Ratio Control Method with algorithms based on Paraconsistent Logic with microcontroller implementation Kelly Cristina Abou Arabi De Mendonça, Sérgio Luiz da Conceição Matos, Mauricio Conceição Mario, João Inácio da Silva Filho

Abstract

This article presents the development of an adaptive ratio control structured in Paraconsistent Annotated Logic – PAL with implementation in the Atmel328P microcontroller. The configuration of the ratio control for mixing processes in industrial plants is composed of two controllers that maintain the constant proportion between the two liquids. This type of control presents constant imbalances in its controllers when there are adjustments in the Set Point and variations in the controlled variable, directly interfering in a negative way in the final product. To alleviate this problem, this research includes the development of a configuration of algorithms based on PAL, which is a non-classical logic capable of handling uncertain signals. The algorithmic structure, forming a network of paraconsistent analysis, is called Paraconsistent Ratio Station (ER-PAL), and has its signals resulting from the paraconsistent treatment of data acting directly on the Controllers of the control loop. In view of the laboratory experiments carried out in an experimental liquid mixing plant, the efficiency indices of the ER-PAL were better when compared to the action of a conventional Ratio Station.