Control Systems, Telecommunications and Navigation

On the modification of direct methods for solving optimal control problems of stationary thermal processes Liudmyla Hart ORCID: https://orcid.org/0000-0003-2617-7851 Oles Honchar Dnipro National University Anna Buhaienko ORCID: https://orcid.org/0009-0009-5193-873X Oles Honchar Dnipro National University Purpose. The aim of the study is to apply modified gradient-type methods to problems of optimal control of one-dimensional stationary thermal processes and to conduct a comparative analysis of the effectiveness of the classical and modified approaches using the example of solving specific problems. Design / Method / …

Optimization Problem of the Launch Vehicle Pitch Angle during Spacecraft Insertion into Circular Orbits Ruslan Keba ORCID: https://orcid.org/0009-0007-9490-1254 Oles Honchar Dnipro National University Anatolii Kulabukhov ORCID: https://orcid.org/0000-0003-1139-4829 Oles Honchar Dnipro National University Purpose. The aim of the study is to formulate and analytically pose the task of constructing the pitch program of a launch vehicle, ensuring the insertion of a spacecraft into a circular orbit, considering constraints on the motion parameters and requirements for the final state. Design / Method / …

Transfer Function of a Time-Varying Control System Considering Actuator Inertia Volt Avdieiev ORCID: https://orcid.org/0000-0002-9986-7637 Oles Honchar Dnipro National University Purpose. Methodological support for building an algorithm for determining the transfer function (TF) of a link, which, considering the actuator dynamics and the disturbed motion of the mass center, is equivalent on a selected trajectory section to a time-varying control system (TCS) for the rocket movement in one plane. Design / Method / Approach. TCS is modeled using differential equations with changing …

Improvement of data flow management in the air traffic control automation system Ganna Kalashnyk ORCID: https://orcid.org/0000-0002-9581-9865 Ukrainian State Flight Academy Myroslava Kalashnyk-Rybalko ORCID: https://orcid.org/0000-0003-0997-9609 State Flight Academy of Ukraine Artem Mykhailetskyi ORCID: https://orcid.org/0009-0003-1576-4708 State Flight Academy of Ukraine Purpose. The research purpose is to improve the data flow management of the air traffic control system of the Danylo Halytskyi International Airport “Lviv”. Design / Method / Approach. The following methods and approaches were consistently used in the research: system approach; modeling; …

Evaluation of dynamic characteristics of a linear time-varying system Volt Avdieiev ORCID: https://orcid.org/0000-0002-9986-7637 Oles Honchar Dnipro National University Purpose. The development of methodological support for the construction of an algorithm for calculating the coefficients of the transfer function of the second order link, which is equivalent to a time-varying system in the selected time interval from the point of view of the smallest average value of the modulus of the difference of dimensionless state vectors. Design / Method / Approach. Mathematical …