Development of a decision support system at the stages of pre‐design studies and design of irrigation systems based on IDEFo functional modelling methodology^*

Abstract

The relevance of the subject matter derives from the need to select the most effective technical solution at the stages of pre-design studies and design of irrigation systems when performing innovative projects. The purpose of this study is to develop a decision support system (DSS) that would serve as an analytical and advisory tool for conducting complex research at the stages of pre-project preparation and design of irrigation systems. The leading approach underlying the solution of the subject matter is the functional modelling methodology integration definition for function modelling (IDEFo). This article presents the architecture of the software product, which shows the main subsystems of the DSS and reflects their interrelations. The implementation of the DSS in the form of a software product based on the provisions of the recommendations will automate the process of selecting alternatives (analogues) for elements of irrigation systems in specific conditions and provide information support for decision-making at the stages of pre-design studies and design, and also increase quality control and improve efficiency of managerial decision-making by 10-15% and reduce the total cost of organizing pre-design studies and designing irrigation systems by 3-5%. K E Y W O R D S decision support system (DSS), design, database, base of models, land improvement Résumé La pertinence du sujet découle de la nécessité de sélectionner la solution technique la plus efficace aux stades des études de préconception et de conception des systèmes d'irrigation lors de la réalisation de projets innovants. Le but de cette étude est de développer un système d'aide à la décision (DSS) qui servirait d'outil d'analyse et de conseil pour mener des recherches complexes aux stades de la préparation d'avant-projet et de la conception des systèmes d'irrigation. La principale approche sous-jacente à la solution du sujet est la définition d'intégration de la méthodologie de modélisation fonctionnelle pour la * Développement d'un système d'aide à la décision aux stades d'études de préconception et de conception de systèmes d'irrigation basés sur la méthodologie de modélisation fonctionnelle IDEFo.

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