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A direct torque-controlled interior permanent-magnet synchronous motor drive without a speed sensor
journal contribution
posted on 2023-05-16, 19:18 authored by Rahman, MF, Zhong, L, Md Enamul HaqueThis paper reports results of further investigation of the so-called direct torque control (DTC) technique to an interior permanent magnet (IFM) synchronous motor drive. This torque control technique for IFM motors requires no dq-axes current controllers and coordinate transformation networks. A completely sensorless IFM motor drive with DTC, which uses a new speed estimator from the stator flux linkage vector and the torque angle, is presented. It is shown that including the torque angle in the estimation process results in a far more accurate transient speed estimator than what is reported in the existing literature.
History
Publication title
IEEE Transactions on energy conversionVolume
18Pagination
17-22ISSN
0885-8969Department/School
School of EngineeringPublisher
IEEEPlace of publication
USARepository Status
- Restricted