Continuous Control Set Model Predictive Control of a Switch Reluctance Drive Using Lookup Tables

Alecksey Anuchin, Galina L. Demidova, Chen Hao, Alexandr Zharkov, Andrei Bogdanov and Václav Šmídl
Additional contact information
Alecksey Anuchin: Department of Electric Drives, Moscow Power Engineering Institute, 111250 Moscow, Russia
Galina L. Demidova: Faculty of Control Systems and Robotics, ITMO University, 197101 Saint Petersburg, Russia
Chen Hao: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Alexandr Zharkov: Department of Electric Drives, Moscow Power Engineering Institute, 111250 Moscow, Russia
Andrei Bogdanov: Faculty of Control Systems and Robotics, ITMO University, 197101 Saint Petersburg, Russia
Václav Šmídl: Department of Adaptive Systems, Institute of Information Theory and Automation, CZ-182 00 Prague, Czech Republic

Energies, 2020, vol. 13, issue 13, 1-14

Abstract: A problem of the switched reluctance drive is its natural torque pulsations, which are partially solved with finite control set model predictive control strategies. However, the continuous control set model predictive control, required for precise torque stabilization and predictable power converter behavior, needs sufficient computation resources, thus limiting its practical implementation. The proposed model predictive control strategy utilizes offline processing of the magnetization surface of the switched reluctance motor. This helps to obtain precalculated current references for each torque command and rotor angular position in the offline mode. In online mode, the model predictive control strategy implements the current commands using the magnetization surface for fast evaluation of the required voltage command for the power converter. The proposed strategy needs only two lookup table operations requiring very small computation time, making instant execution of the whole control system possible and thereby minimizing the control delay. The proposed solution was examined using a simulation model, which showed precise and rapid torque stabilization below rated speed.

Keywords: switched reluctance motor drive; model predictive control; continuous control set; pulse-width modulation; magnetization surface; electrical drive (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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