Electronic controller for BLDC motors used in automotive applications
DOI:
https://doi.org/10.17979/ja-cea.2026.47.13647Keywords:
BLDC motor, Torque ripple, Power system modelling, Cascade Control PID, SafetyAbstract
Brushless direct current motors (BLDC) are increasingly used due to their high efficiency and low maintenance requirements. This work presents the design, construction and experimental validation of an electronic controller for BLDC motors intended for application in competition vehicles. The system integrates a power stage based on a full three-phase bridge composed of MOSFET transistors, switched by a DRV8353FH gate driver. An Arduino Nano ESP32 is used to measure phase current and motor shaft speed, regulate the power delivered to the motor through pulse-width modulation, and execute real-time automatic control of these variables. A cascaded control architecture is implemented, consisting of an inner current loop and an outer speed loop, using discrete PI controllers with anti-windup. Test bench experiments validate reference tracking, disturbance rejection and the feasibility of the system for lightweight automotive applications and experimental prototyping.
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Copyright (c) 2026 Pedro Ángel Buendía-Rivas, Javier Garrido-López, Jaime Giménez-Gallego, José Villarejo-Mañas
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