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A turn wound around each pole of an SPM motor allows the direct axis flux linkage dynamics to be modified while preserving the quadrature axis one. Thus, a rotor dynamic anisotropy is created. Consequently, the motor can be used in a position sensorless control which exploits the anisotropic rotor features by high frequency injected signals. The model of the machine is described in the paper, and...
The aim of this paper is to give some design hints for a synchronous interior permanent magnet (IPM) motor that is for a high frequency signal injection based sensorless control. Such a control technique relies on the rotor saliency for the detection of the rotor position, and it is particularly effective at zero and low motor speed. Some side effects, as saturation and cross coupling, may compromise...
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