O. Mysov, I. Levchuk, Kseniia Fesenko
Oct 1, 2021
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HERALD OF KHMELNYTSKYI NATIONAL UNIVERSITY
Abstract
Copper sulfate is an inorganic compound that is currently widely used in the chemical industry, medicine and agriculture. When developing systems for automated control of the process of obtaining copper sulfate, there is a need for simple, high-speed and at the same time accurate mathematical models that are used both in improving algorithms for optimal control of this process, and in developing operator interfaces and debugging control algorithms. At the same time, the development of full-fledged mathematical models of technological processes is a very laborious task that requires significant material and time costs. The subject of study in the article is a computer model of the process of obtaining a solution of copper sulfate, implemented in the software environment of the universal modeling program ChemCAD. The aim of the work is to develop in a software environment a universal modeling program ChemCAD, a computer model of the process of obtaining a solution of copper sulphate, adapted for solving problems of control and integration into modern SCADA systems. Objectives: to develop a computer model of the process of obtaining a solution of copper sulfate in the ChemCAD simulation program; explore the process using a computer model, get graphical dependencies that describe the main technological parameters of the process; perform a comparative analysis of the data obtained by calculation with the experimental data of the laboratory setup and draw a conclusion about the functionality of the developed computer model; adapt the computer model to solve the control problem and develop the principles of two-way information exchange of the computer model based on OPC technology with the modern SCADA system TRACE-MODE 6. The methods used are: computer modeling of technological processes; OPC technology; SCADA. Conclusions: the novelty of the results obtained is as follows. In the ChemCAD software environment, a computer model of the process of obtaining a solution of copper sulfate has been developed, adapted for solving control problems and integration into existing SCADA systems. The principles and structure of two-way information exchange of a computer model with external control programs based on OPC technology have been developed.