NDLI: Rotor position detection using modified amplitude modulation (AM) in SRM drives

Content Provider	IEEE Xplore Digital Library
Author	Siadatan, A. Afjei, E. Ataei, S.
Copyright Year	2007
Description	Author affiliation: Saadat Res. Center Tehran, Shahid Beheshti Univ., Tehran (Siadatan, A.; Afjei, E.; Ataei, S.)
Abstract	In this paper a modified amplitude modulation (AM) technique for the assessment of rotor position in switched reluctance motor (SRM) drive is being presented. In this method, high frequency diagnostic sine wave is applied to the three stator pole windings and then the resulting magnitude of produced sine wave current for each phase is measured at standstill. The resulting current magnitude is different for each phase due to its inductance which is proportional to the rotor position. It then continues to sense the rotor position while the motor is running by applying the same signal to the un- energized phase winding and sensing the rotor position from the resulting current signal. The results obtained demonstrate the feasibility and practicability of the method.
Starting Page	262
Ending Page	266
File Size	9354252
Page Count	5
File Format	PDF
ISBN	9781424408900
DOI	10.1109/ACEMP.2007.4510512
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-10
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensorless operation of SRM Magnetic flux Magnetic cores Switch Reluctance motor Amplitude modulation Magnetic hysteresis Frequency estimation Magnetic analysis Indirect rotor position sensing in SRM Magnetic field measurement Harmonic distortion Eddy currents Magnetic properties
Content Type	Text
Resource Type	Article

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