MATHEMATICAL AND COMPUTER MODELLING OF THE PROCESS OF COMPUTERISED PREDICTIVE CONTROL OF SOIL IRRIGATION MODES DURING GRAIN CROPS CULTIVATION

Abstract

Nowadays, issues related to ensuring the basic food needs of the population and supporting the national economy have become of significant relevance in Ukraine. Open-air crop production is one of the key areas of national agriculture and is classified as a strategic sector, since it significantly contributes to national food security, economy and export potential. In turn, this production area requires technological re-equipment, as well as software and hardware modernisation, including through the development and implementation of highly efficient information and computer technologies for monitoring agricultural processes. The aim of the article is to substantiate approaches to improving the efficiency of agrotechnical processes of growing grain crops by developing and studying mathematical and computer models of the process of computerised predictive control of soil irrigation modes when cultivating grain crops. The object of the research is the processes of computer processing and analysis of data on the dynamics of soil moisture when cultivating grain crops. The subject of the research is methods and models of creating computer technologies for predictive control of soil irrigation modes when cultivating grain crops. The following scientific and practical results have been obtained and presented in the article: a mathematical description of the process of moisture dynamics in different types of soil has been proposed and algorithmised, taking into account the specific agroclimatic zones of Ukraine; the parameters and characteristics of moisture dynamics in different types of soil for periods equal to one hour and one day have been estimated by computer experiment; it has been proved that the obtained results can be used as a software and algorithmic, as well as a structural and functional basis for further development and research on the design and testing of an intelligent computer technology for predictive control of irrigation modes in different agroclimatic zones of Ukraine.