CONTROL DIGITAL DE POLOS PARA LA VARIACIÓN DE VELOCIDAD Y TORQUE EN UN MOTOR DE FLUJO AXIAL CON IMANES PERMANENTES (DIGITAL POLE CONTROL FOR SPEED AND TORQUE VARIATION IN AN AXIAL FLUX MOTOR WITH PERMANENT MAGNETS)
Resumen
El uso de energías renovables en la industria de transporte ha impulsado el desarrollo de motores eléctricos de mayor potencia y sistemas inteligentes de tracción electrónica. No obstante, el acoplamiento típico entre ambos continúa siendo mecánico, lo cual en conjunto, merma su eficiencia y vida útil. Por otro lado, configuraciones de motores flujo axial, hacen posible prescindir de acoplamientos mecánicos, por su alto torque a bajas velocidades y aplicación directa en las ruedas de los vehículos. En este trabajo se presenta el diseño de un sistema de conmutación digital de polos, aplicado a un motor de flujo axial de imanes permanentes para el control de velocidad y torque a velocidad constante. El desempeño del sistema es evaluado con mediciones experimentales; comprobando la efectividad del diseño, al obtener torques de hasta 1.784Nm sin acoplamientos mecánicos extras y errores de regulación de velocidad máximos de 8.43 %.
Palabras Clave: Control digital, Conmutación de polos, Motor de flujo axial
Abstract
The use of renewable energies in the transportation industry has prompted the development of higher power electric motors and intelligent electronic traction systems. However, the typical coupling between the two continues to be mechanical, which reduces its efficiency and useful life. On the other hand, permanent magnet axial flux motor configurations make it possible to dispense with mechanical couplings, due to their high torque at low speeds due to their direct application on the wheels of vehicles. In this work, the design of a digital pole commutation system is presented, applied to an axial flux motor with permanent magnets for speed and torque control at constant speed. The performance of the system is evaluated with experimental measurements; proving the effectiveness of the design, obtaining torques of up to 1,784Nm without extra mechanical couplings and maximum speed regulation errors of 8.43%.
Keywords: Digital control, Pole commutation, Axial flux motor.
Texto completo:
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