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This paper presents the design and experimental verification of a sensorless-oriented interior permanent magnet (IPM) synchronous motor intended for a general industrial application. A concentrated-winding IPM motor is designed by the proposed design procedure so as to meet torque ripple requirements with wide sensorless operating region. Special features of the resulting motor include its V-shape-magnets...
A new technique is proposed to reduce the torque-ripple of the concentrated-winding interior permanent magnet motor (IPMSM) under saliency-based sensorless drive. It is based on the combination of circular-flux-barriers at the rotor-yoke and the V-shape-magnets. It is applied to 45 Nm-5.5 kW industrial drive IPMSM to fulfill the torque-ripple requirement with a large region for sensorless rotor position...
This paper deals with the sensorless-oriented design of interior permanent magnet (IPM) motor for the general industrial application. The finite element analysis is used to examine the influence of the IPM rotor geometry on the feasibility region for the sensorless rotor position detection. Consequently, the design guideline is established to obtain a suitable rotor geometry which can maximize the...
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