An Online Observer for Minimization of Pulsating Torque in SMPM Motors

Lucian Roșca and Mihai Duguleană

PLOS ONE, 2016, vol. 11, issue 4, 1-22

Abstract: A persistent problem of surface mounted permanent magnet (SMPM) motors is the non-uniformity of the developed torque. Either the motor design or the motor control needs to be improved in order to minimize the periodic disturbances. This paper proposes a new control technique for reducing periodic disturbances in permanent magnet (PM) electro-mechanical actuators, by advancing a new observer/estimator paradigm. A recursive estimation algorithm is implemented for online control. The compensating signal is identified and added as feedback to the control signal of the servo motor. Compensation is evaluated for different values of the input signal, to show robustness of the proposed method.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0153255

DOI: 10.1371/journal.pone.0153255

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