NDLI: Practical speed estimation method for induction motor vector control system using digital signal processor(DSP)

Content Provider	IEEE Xplore Digital Library
Author	Zhang Jian Wen Xu Hui Hua Yang
Copyright Year	2008
Description	Author affiliation: Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing (Zhang Jian; Wen Xu Hui; Hua Yang)
Abstract	This paper presents an improved speed sensorless vector control method for general-purpose induction motors (IMs). The proposed method is based on the d-q axis dynamic model of the induction motor and an improved closed-loop flux observer, which can achieve precise rotor and stator flux estimation over a wide speed range. And then, a rotor-speed-estimation method, based on fuzzy control theory, is discussed and deduced. Simulation results are compared between estimated speed got from fuzzy controller and common PI controller. Finally, a series of experimental research are conducted and the results verify the scheme above is valid and the estimated speed tracks the actual speed well in both rated speed region and field weakening region. The proposed algorithm has simpler control algorithms and little computational burden, both the flux observation and speed estimation can achieve perfect effect in both steady-state operating condition as well as in transient operation.
Starting Page	74
Ending Page	78
File Size	525858
Page Count	5
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Induction motors Machine vector control Signal processing Voltage Rotors Stators DC motors Fuzzy control Signal processing algorithms Torque control
Content Type	Text
Resource Type	Article

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