Abstract
The paper presents an implementation of a low-cost robust digital-analogue (hybrid) speed (and position) vector controller for cageless-rotor reluctance synchronous motors. Separate control of id and is is performed with id* (reference value) constant up to the base speed and reducing gradually above the base speed. On the other hand, iq* (reference value) is set by a sliding-mode analogue speed (and position) controller for which a simplified design methodology is presented. A 6-pole experimental reluctance synchronous motor with an axially laminated anisotropic cageless rotor is introduced with its inductances Ld, Lq and torque measured through standstill tests. Digital simulation and test results for position and speed vector control are presented.
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