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In this paper, control system and simulation of an arc-linear permanent-magnet synchronous machine with normal armature windings and compensation windings are researched. Considering the special structure of the machine, the mathematical model of the machine is investigated and established. The control scheme and the control system for the machine are also researched to reduce the torque ripple for...
In order to reduce the torque ripple and improve the torque-speed characteristic of switched reluctance motor, a novel predictive current control method is proposed in this paper. Compared with conventional current hysteresis control, the current tracing ability is improved by using proposed method without increasing switch frequency or changing hysteresis band. Both of torque ripples and copper loss...
Synchronous reluctance machine (SynRM) has attracted much attention thanks to the advantages such as low cost, rugged rotor structure and high efficiency. Conventional drive for the SynRM is the same as that for permanent magnet synchronous machine (PMSM), i.e., the sine-wave drive. In this paper, square-wave drive is proposed for the SynRM. The torque performances with square-wave drive are analyzed...
Torque calculation using the d-q axis has the advantage of faster execution time; however, the torque ripple cannot be considered in torque calculation using the d-q axis equivalent circuit because the time-dependent component is removed. In this work, with d-q transformation, the characteristics of some parameters were identified. These characteristics were considered for representing torque ripple...
In this paper, a novel boost chopper converter-based torque sharing function (TSF) control strategy for switched reluctance motors (SRMs) is proposed to reduce the torque ripple. Thanks to advantages of the simple structure, low cost, high reliability, and wide speed range, SRMs have attracted much attention in the industrial applications. However, the torque ripple is one critical issue to restrict...
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