DEVELOPMENT OF THE OPTIMAL SYSTEM OF CONTROL OF THE TECHNICAL CONDITION OF THE ELECTRIC CAR BATTERY

• Дата: 2024
• Автори: Sorochynsʹkyy , Y., Bosak , A., Tkachuk , K., Kulbachna, N.
• Формат: Стаття
• Мова: Ukrainian
• Опубліковано: Institute of Renewable Energy National Academy of Sciences of Ukraine 2024
• Теми: electric vehicle battery; quadratic controller; charge level; battery parameters; battery technical condition.
• Онлайн доступ: https://ve.org.ua/index.php/journal/article/view/469
• Назва журналу: Vidnovluvana energetika

This study focuses on the problem of increasing the efficiency of the use of electric vehicles by developing an optimal system for managing the technical condition of the battery of an electric vehicle. As a tool for optimal control of the technical condition of the electric vehicle, a system with a quadratic regulator was developed and a comparison of the LQR regulator with the PI regulator was made. A state space model was used for the developed control system, which made it possible to effectively control the battery, analyze important parameters and make optimal decisions regarding its charging, discharging and balancing. The modeling process in the MATLAB/Simulink environment made it possible to set the battery parameters and compare the temperature, current and voltage parameters using different regulators. As a result of the comparative analysis of the studies, it was found that the LQR-regulator showed better results in terms of temperature stability, current safety, controlled growth of the state of charge and maintenance of stable voltage compared to the PI-regulator. The findings confirm that the use of an LQR regulator more effectively controls battery parameters, helps prevent overheating, reduces the risk of battery damage, and improves the overall safety and performance of the battery.