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On torque ripple reduction in current-fed switched reluctance motors

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4 Author(s)
Stankovic, A.M. ; Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA ; Tadmor, G. ; Coric, Z.J. ; Agirman, I.

This paper addresses a basic control issue in switched reluctance motor (SRM) drives-the production of a ripple-free torque. Simple and largely model-independent conventional supply waveforms are not able to satisfy this requirement. The goal of this paper is to improve SRM dynamical performance by compensating for motor nonlinearities, while maintaining the robustness of conventional methods. The method is based on a complete parameterization of position-dependent voltage and current profiles in ripple-free operation, and on a waveform optimization to minimize power supply requirements. Furthermore, model uncertainties are included to show that the proposed strategy consistently outperforms the conventional policy. Experimental data verifying the analytical approach are included

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Industrial Electronics, IEEE Transactions on  (Volume:46 ,  Issue: 1 )