Автомобільний транспорт / Автомобильный транспорт

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Перегляд Автомобільний транспорт / Автомобильный транспорт за Автор "Aleksandrova, Tatyana"

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    To the issue of decomposition of mathematical models of disturbed motion of complex discrete-continuous dynamic systems
    (Харківський національний автомобільно-дорожній університет, 2023) Aleksandrov, Evgeniy; Aleksandrova, Tatyana; Morgun, Yaroslav; Kholodov, Mykhailo; Yarita, Oleksandr; Shapovalenko, Vladyslav; Александров, Євген Євгенович; Александрова, Тетяна Євгенівна; Холодов, Михайло Павлович; Моргун, Ярослав Юрійович; Ярита, Олександр Олександрович; Шаповаленко, Владислав Олексійович
    Problem. Usually, complex dynamic systems are characterized by a high order of equations in their mathematical models and intricate interconnections among subsystems that constitute the complex dynamic system. Naturally, the analysis and synthesis of complex dynamic systems require the use of powerful computational systems with vast memory and high processing speed. Goal. The aim is quantitative assessment of the influence of the continuum part of a dynamic system on the behavior of its discrete part and the possibility to perform decomposition of the mathematical model of perturbed motion of a discrete-continuum system based on this assessment. Methodology. The measures are aimed at addressing issues that are based on the discrete-continuum capabilities and their decomposition. Results. For three types of complex dynamic systems described by infinite-dimensional systems of ordinary differential equations, quantitative assessments of the influence of the continuum part on the discrete part of the system have been proposed. These assessments determine the decomposition of the mathematical models of perturbed motion for such systems. Originality. Simplified mathematical models for three types of discrete-continuous dynamic systems were obtained. Practical value. The obtained results can be recommended for the study of the specialized course on the motion characteristics of cargo trucks during the transportation of liquids in tanks. Through optimization using the MATLAB software package, it is possible to simulate various parameters of both the cargo truck and the cargo being transported.