Krasnozhon O. Information technology of primary data processing by managing photovoltaic converters

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0419U001400

Applicant for

Specialization

  • 05.13.06 - Інформаційні технології

31-05-2019

Specialized Academic Board

К 79.051.03

Essay

The object is the process of functioning of the photovoltaic in conditions of the variability of the environment. The goal is to increase the efficiency of control of the photovoltaic by developing a method of primary data processing using a neuron-negligible controller during tracking the point of maximum power with variable parameters of the environment. Methods: fuzzy set theory, fuzzy logic, theory of automatic control and regulation, theory of electric circuits, mathematical and simulation modeling, probability theory and mathematical statistics, theory of artificial neural networks. Theoretical results: the information processes taking place in the control systems of the photovoltaic are analyzed and investigated; the urgency of the development of the automated control system of stationary photovoltaic with the use of a neuron-negligible regulator is determined; reasonable choice of parameters and initial setting of fuzzy control systems; the definition of the maximum power point, is given, the conditions of its achievement and maintenance are analyzed; The use, hyperbolic and hyperbolic power approximations for the mathematical model of the control surface of the neuronet system is substantiated and investigated; the process of calculating the coordinates of the point of maximum power has been improved. Practical results: developed models and methods that in their aggregate form information technology; simulation models in MATLAB environment are developed; Procedures for the application of hyperbolic power approximations in the Mathcad environment have been developed. Novelty: for the first time mathematical models of control surface of neuronetricular regulators were developed in the form of analytical expressions; the simulation model of photovoltaic is developed; the simulation model of the control system of the photovoltaic was developed; The method of tracking the coordinates of the extremum point in neural control systems of the photovoltaic has been further developed. Scope - information technology.

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