NDLI: Sensorless vector control of PMSM by new carrier frequency voltage injection method

Content Provider	IEEE Xplore Digital Library
Author	Hosooka, R. Shinnaka, S.
Copyright Year	2015
Description	Author affiliation: Grad. Sch. of Eng., Kanagawa Univ., Yokohama, Japan (Hosooka, R.; Shinnaka, S.)
Abstract	This paper presents a new sensorless vector control method for permanent-magnet synchronous motors (PMSMs) that employs pulsating high frequency voltage injection. The frequency range of the injected voltage is almost the same as that of the pulse width modulation (PWM) carrier. This allows high-speed phase estimation that is indispensable for a high performance drive, and possibly low acoustic noise due to the injected voltage. The proposed method injects a pulsating high-frequency voltage for current modulation in the quasi-synchronous reference frame, demodulates the modulated current, and produces a phase estimate in the same reference frame. The demodulation and phase estimation are characterized by a small current sampling period, filter-less extraction of the modulated current, new polarity processing of the current difference, and a new function that improves the positive correlation region. In addition, no further phase compensation is required. The usefulness of the proposed method is verified through extensive experiments.
Starting Page	1
Ending Page	6
File Size	566032
Page Count	6
File Format	PDF
ISBN	9781479976553
e-ISBN	9781479976577
DOI	10.1109/IFEEC.2015.7361432
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-01
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Correlation Frequency modulation Sensorless Acoustic noise Phase estimation Rotors PWM Pulse width modulation Stators Machine vector control Synchronous motor High frequency voltage injection
Content Type	Text
Resource Type	Article

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