NDLI: Position sensorless speed control scheme for permanent magnet synchronous motor drives

Content Provider	IEEE Xplore Digital Library
Author	Han-Woong Park Sang-Hoon Lee Tae-Hyun Won Moon-Soo Kim Cheul-U Kim
Copyright Year	2001
Description	Author affiliation: Korea Naval Acad., South Korea (Han-Woong Park)
Abstract	A sensorless control strategy for permanent magnet synchronous motors is presented in this paper. A speed control scheme based on the measurement and observation of stator current, voltage, and flux vector is proposed. Two phase voltages and two stator currents are measured and processed in discrete form in DSP. The rotor position and speed are estimated through the stator flux and its derivative estimation. Flux and its derivative are calculated in the stationary reference frame and used to estimate the speed and position. The rotor position angle is then used in a microcontroller to produce the appropriate stator current command signals for the hysteresis current controller of the inverter. The closed-loop speed control has been shown to be effective from standstill to rated speed. Moreover, a flux drift problem caused by the integration can be eliminated so that a stable sensorless starting and running operation can be achieved. Computer simulation and experimental results are presented to demonstrate the effectiveness of the proposed scheme.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	632
Ending Page	636
File Size	336283
Page Count	5
File Format	PDF
ISBN	0780370902
DOI	10.1109/ISIE.2001.931868
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-12
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Velocity control Permanent magnets Stators Sensorless control Current measurement Permanent magnet motors Velocity measurement Voltage Phase measurement Digital signal processing
Content Type	Text
Resource Type	Article

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