NDLI: A novel current derivative measurement using recursive least square algorithms for sensorless control of permanent magnet synchronous machine

Content Provider	IEEE Xplore Digital Library
Author	Yu Duan Sumner, M.
Copyright Year	2012
Description	Author affiliation: Department of Electrical & Electronic Engineering, University of Nottingham, United Kingdom (Yu Duan; Sumner, M.)
Abstract	The parasitic components of the VSI system cause high frequency oscillations in the motor current when an IGBT switches. To accomplish current derivative measurement for the position estimation using PWM voltage vector excitation, the one di/dt sample can be directly derived from the measurement of two motor current samples without sensors. In this paper, a proposed method is introduced, and which utilizes an advanced signal processing technique to estimate current samples during the oscillation period. With a robust and capable data acquisition system (FPGA/DSP), signal processing method can be implemented for the online current measurement, so the PWM excitation saliency tracking method can be definitely used to estimate the position without need of any additional di/dt sensors.
Starting Page	1193
Ending Page	1200
File Size	747030
Page Count	8
File Format	PDF
ISBN	9781457720857
DOI	10.1109/IPEMC.2012.6259005
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vectors Current measurement Sensors Oscillators Pulse width modulation Switches Voltage measurement SMPMSM Sensorless control di/dt recursive least square PWM SVPWM VSI saliency tracking FPGA DSP
Content Type	Text
Resource Type	Article

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