IMPLEMENTATION OF FOC CONTROL OF AN ASYNCHRONOUS ELECTRIC DRIVE USING A MICROCONTROLLER IN FEED DISTRIBUTION SYSTEMS

Abstract

The article presents the results of the research and implementation of an asynchronous motor control system using a microcontroller and a vector control algorithm. The relevance of the topic is due to the need to improve the accuracy, reliability, and energy efficiency of electric drives used in livestock technological processes, particularly in automated feeding systems. One of the key technical solutions in the developed system is the use of a bidirectional timer counting mode, which allows generating PWM signals with high frequency and minimal distortions. This approach provides flexibility in regulating the voltage on the stator and precise control of the frequency, which directly affects the dynamics and smoothness of speed changes. Additionally, the applied Amplitude Wide Modulation allows expanding the control range and improving the energy performance of the system. The system's flexibility is ensured by the possibility of externally setting the speed command using the microcontroller's analog input. This solution enables the integration of the electric drive into complex automated control systems, providing quick adaptation to changes in the productivity of the technological process and convenience of interaction with the operator or the upper-level controller. The proposed control method improves the accuracy of maintaining operating speed even in the case of significant and abrupt load changes, which are typical for mechanisms for transporting and dispensing feed. The results obtained indicate a significant potential of the developed system for implementation in technological equipment of the livestock industry. Automated feed dispensing systems, conveyors, mixers, and other mechanisms can operate more stably, with lower energy losses and better repeatability of technological operations. Overall, the developed system demonstrates a comprehensive approach to controlling an asynchronous electric drive, combining modern algorithmic solutions, flexible operator interaction methods, and effective speed stabilization tools. This creates prerequisites for further improvement and scaling of the system in industrial conditions, as well as for its adaptation to equipment in other industries where high precision and drive reliability are required.