Abstract

ALVAREZ TAPIA, Luis Manuel  and  MORERA HERNANDEZ, Mario. Flux-based rotor position estimator for a switched reluctance motor in simulink. Energética [online]. 2018, vol.39, n.3, pp. 136-145. ISSN 1815-5901.

In the present paper a flux-based rotor position estimation algorithm was implemented using the Simulink development suite. The aforementioned method was selected because of the simplicity, robustness and low computational complexity of the algorithm. The design was implemented in several blocks, where each one of them represents a different stage in the rotor position estimation algorithm. The results were tested on a mathematical model for the WEKA SR-30102 switched reluctance motor. In order to accurately model its behavior, the non-linearity of the motor was taken into account. The mathematical equations that describe the mechanical and electrical properties of the motor were used in order to model the corresponding effects that occur inside the machine. A closed-loop operation was used using a classical implementation of a PID controller. To validate the results the output of the rotor position estimation block was compared against the rotor position and the results were analyzed

Keywords : flux linkage; sensorless; simulation; Simulink; switched reluctance motor.

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