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Periodic disturbance rejection-based control of Switched Reluctance Motors Using ADRC and IMP for effective ripple
Carlos Vergara-Ramírez1, John Cortés-Romero2, Horacio Coral-Enriquez3
1Facultad de Ingeniería Mecatrónica, Escuela Tecnológica Instituto Técnico Central, Bogotá, Colombia.
Abstract:
This paper proposes a control scheme that combines Active Disturbance Rejection (ADR) Control and the Internal Model Principle (IMP) to reduce ripple in Switched Reluctance Motors (SRMs) operating at variable speeds. The control architecture consists of two stages: an error-based ADRC for current loops and a periodic disturbance rejection (ADR+IMP) scheme for velocity control. The latter stage exploits two key SRM characteristics: the periodic behavior of signals and disturbances, and the angular-domain periodic nature of torque ripple. Experimental validation is performed on a laboratory test-bed using a 3-phase 12/8 SRM, where the proposed methodology is systematically applied. Results demonstrate the effectiveness of the control scheme in achieving significant ripple reduction under variable velocity profiles.
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