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A novel position/speed sensorless vector control approach which is capable of not only driving Induction Motors (IMs), damperless surface/interior Permanent Magnet Synchronous Motors (PMSMs) and PMSMs with damper winding but also tuning all electrical motor parameters used for their sensorless control system design by a unified method is discussed. This approach is tentatively named the Universal...
This paper proposes an improved Universal Sensorless Vector (USV) control which can drive not only induction motor and damperless Permanent Magnet Synchronous Motor (PMSM) but also Line-Start PMSM with damper winding (LS-PMSM) by a unified control algorithm without a position/speed sensor. The reason why the step-out problem occurs when the conventional USV control is employed to operate the LS-PMSM...
This paper presents a novel encoder-less vector control strategy which is universally applicable to both induction motors (IMs) and permanent-magnet synchronous motors (PMSMs). A fast rotor flux linkage phase estimator using stator flux linkage information obtained by a high-precision approximation voltage integral with error compensation is shown. Using this estimator, the authors construct a unified...
This paper presents a novel encoder-less vector control strategy which is universally applicable to both induction motors (IM) and permanent magnet synchronous motors (PMSM). A fast rotor flux linkage phase estimator using stator flux linkage information obtained by a high-precision approximation voltage integral with error compensation is shown. Using this estimator, the authors construct a unified...
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