NDLI: Position control of a sensorless interior permanent magnet synchronous motor system

Content Provider	IEEE Xplore Digital Library
Author	Ji-Liang Shi Tian-Hua Liu Yung-Chi Chang
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei (Ji-Liang Shi; Tian-Hua Liu; Yung-Chi Chang)
Abstract	This paper proposes a novel sensorless position control system for an interior permanent magnet synchronous motor. In this paper, a novel rotor position estimation technique is proposed. This estimation technique only relates to the slopes of the three-phase stator currents, and does not relate to the parameters or operating conditions of the motor. Neither extra circuit nor external exciting signal is required here as compared with the traditional drive system with an encoder feedback. In addition, the proposed rotor position estimator works well in transient, steady state, and standstill conditions. The proposed system performs well in both adjustable speed control and position control. A digital signal processor, TMS-320-LF-2407 is used to execute the rotor position estimation, the current-loop control, the velocity-loop control, and the position-loop control. As a result, a fully digital control system is achieved. Several experimental results validate the theoretical analysis
Starting Page	340
Ending Page	345
File Size	512883
Page Count	6
File Format	PDF
ISBN	0780389875
e-ISBN	0780389883
DOI	10.1109/IEMDC.2005.195744
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Position control Permanent magnet motors Velocity control Rotors Stators Synchronous motors Feedback circuits State estimation Steady-state Digital signal processors
Content Type	Text
Resource Type	Article

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