NDLI: Sensorless control of surface permanent magnet synchronous motor at low speed

Content Provider	IEEE Xplore Digital Library
Author	Junyou Yang Chunxin Song
Copyright Year	2008
Description	Author affiliation: Sch. of Electr. Eng., Shenyang Univ. of Technol., Shenyang (Junyou Yang; Chunxin Song)
Abstract	Based on saliency tracking idea, a scheme based on high-frequency voltage signal injection is described to solve traditional problems at low speeds. For surface permanent magnet synchronous motor (SPMSM) which does not have structural saliency, a fluctuating high-frequency voltage signal injection scheme is presented. This scheme is realized by developing saturated saliency which has information about rotor position, so rotor speed and position can be estimated by tracking the magnetic saliency. In this work, a simplified high-frequency model of an SPMPM in estimated rotor reference frame is developed and a sensorless rotor position and speed estimation algorithm is described. The proposed sensorless control scheme makes it possible to drive SPMSMs in a low speed region under various conditions. The simulation results verify that the performance of the proposed sensorless algorithm has good feasibility and effectiveness.
Starting Page	1621
Ending Page	1624
File Size	441407
Page Count	4
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	Sensorless control Permanent magnet motors Rotors Mathematical model Torque control Voltage fluctuations Frequency Transducers Costs Electromagnetic modeling surface permanent magnet synchronous motor (SPMSM) High-frequency signal injection sensorless control
Content Type	Text
Resource Type	Article

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