AUTOMATED SYSTEM OF FUZZY CONTROL OF PRODUCTION PROCESSES AND FREEZING OF CRAFT BREAD

Хорольський, Валентин Петрович and Хорольский, Валентин Петрович and Хорольський, Валентин Петрович and Korenets, Yuriі and Коренець, Юрій Миколайович and Коренец, Юрий Николаевич and Kopayhora, Olga and Копайгора, Ольга Костянтинівна and Копайгора, Ольга Константиновна and Zaikina, Daria and Заікіна, Дар’я Павлівна and Заикина, Дарья Павловна and Litvinenko, Andrew and Литвиненко, Андрій and Литвиненко, Андрей (2021) AUTOMATED SYSTEM OF FUZZY CONTROL OF PRODUCTION PROCESSES AND FREEZING OF CRAFT BREAD. Вісник Хмельницького національного університету (1(293)). pp. 227-233. ISSN 2307-5732

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Abstract

Abstract. An intelligent control system for the production of handicraft bread by stages of cooling, pre-freezing, subsequent freezing to -20oC has been developed, in which MES-, ERP- and SCADA-systems are implemented. It includes the following site management programs: preparation of raw materials, production of sourdough, dough, baking, cooling of artisanal bread and its pre-freezing, final optimal freezing in a conveyor freezer (KMA). The upper level of intelligent control includes resource planning systems and bread logistics, which with the help of Profibus DP information bus, SCADA-systems, fuzzy control algorithms with automatic modification of the system of production rules adjusts energy consumption targets taking into account the quality of flour and dough. The principles of construction of the automated system of fuzzy control of optimization of energy of the refrigerant in the system of refrigeration of the conveyor freezer intended for freezing of artisanal bread and preservation of its quality at variation of parameters of raw materials based on data received in real time are offered. The novelty of the developed system of the automated process of freezing of artisanal bread is that it is built on the basis of a fuzzy regulator with linguistic feedback and automatic modification of the system of production rules. This system allows, compared to traditional PID-regulators, to reduce by 10-12% energy consumption for the production of 1 ton of bread by reducing the response time of the program to change energy consumption in production with specified performance and quality parameters, as well as freezing performance in the developed intellectual artisanal bread production management system, Using a simulation model of bread freezing, it is proved that the automated system of artisanal bread production with fuzzy control and dynamic adjustment of the system of production rules allows to stabilize the set parameters of bread freezing with an error of ± 0.5oC, and its speed reduces product freezing time by 15-16%, why provides a higher level of digital control quality

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