Intelligent control system for gaseous nitriding process

Abstract

In the present paper, the solutions of the following research issues have been presented:• dependencies between the process parameters and the layer structure have been defined, which serve todevelop software for the control system of the process, with the view of obtaining a complex layerstructure and optimal kinetics of its creation and growth,• assumptions for the control system of the gaseous nitriding process have been developed on the basis ofa complementary cooperation of the mathematical model and the indications of the magnetic sensorregistering the nucleation and growth of the layer.These issues comprise two complementary ways towards the construction of intelligent control systems.The first one of them consists in developing innovative databases, expert systems to aid the operator indecision making regarding the choice of defined changes to the process parameters. This is connectedwith the knowledge of possibly all the factors and mechanisms which have an influence on the result ofthe process and which make it possible to design an algorithm of changes of process parameters thatcould guarantee optimal kinetics of the layer growth and its required structure. The other one additionallymakes use of specially constructed sensors, which having been placed directly in the processes react tothe growth of layers and their structure

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