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This paper proposes a new flux-barrier design to reduce the torque ripple of the concentrated-winding interior permanent magnet (IPM) motor under saliency-based sensorless drive. It is based on the combinations of the V-shape-magnet and the circular flux-barrier at the rotor-yoke in the center of the N-pole and S-pole. It is applied to 45 Nm-5.5 kW industrial drive IPM motor to fulfill the torque...
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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