Comparative Study of Conventional, Fuzzy Logic and Neural PID Speed Controllers with Torque Ripple Minimization for an Axial Magnetic Flux Switched Reluctance Motor

Eric S. Sanches, José A. Santisteban

Electrical Engineering Department, Mechanical Engineering Postgraduate Program (PGMEC), Fluminense Federal University, Niterói, Brazil.

DOI: 10.4236/eng.2014.611065                

Abstract

Three speed controllers for an axial magnetic flux switched reluctance motor with only one stator, are described and experimentally tested. As it is known, when current pulses are imposed in their windings, high ripple torque is obtained. In order to reduce this ripple, a control strategy with modified current shapes is proposed. A workbench consisting of a machine prototype and the control system based on a microcontroller was built. These controllers were: a conventional PID, a fuzzy logic PID and a neural PID type. From experimental results, the effective reduction of the torque ripple was confirmed and the performance of the controllers was compared.

Keywords

Axial Flux SRM, PID Speed Controller, Fuzzy Logic PID Speed Controller, Neural PID Speed Controller, Torque Ripple Minimization, Current Shape Control Strategy

Conflicts of Interest

The authors declare no conflicts of interest.

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