NDLI: Sensorless control for IPMSMs based on a multilayer discrete-time sliding-mode observer

Content Provider	IEEE Xplore Digital Library
Author	Yue Zhao Wei Qiao Long Wu
Copyright Year	2012
Description	Author affiliation: Department of Electrical Engineering, University of Nebraska-Lincoln, 68588-0511 USA (Yue Zhao; Wei Qiao) \|\| John Deere Electronic Solutions, 1750 NDSU Research Park Dr., Fargo, ND 58102, USA (Long Wu)
Abstract	Because of the high robustness to system structure and parameter uncertainties, discrete-time sliding-mode observer (DSMO) has become a promising candidate for sensorless digital control of interior permanent magnet synchronous machines (IPMSMs). However, it is challenging to achieve fully sliding mode under a low sampling frequency, especially for high speed and heavy load applications. In order to overcome this problem, a multilayer DSMO is proposed to estimate the rotor position from the extended back electromagnetic force (EMF). To guarantee a fast response to speed and torque variations, the width of the boundary layer of the DSMO is designed to be adaptive to speed and torque variations. A parameter adaption scheme based on control law and sliding-mode dynamics is proposed for selecting the width of the boundary layer and the observer gain. The proposed multilayer DSMO is validated by simulations and experimental results on a 150 kW IPMSM drive system used for hybrid electric vehicles.
Starting Page	1788
Ending Page	1795
File Size	1865006
Page Count	8
File Format	PDF
ISBN	9781467308021
e-ISBN	9781467308038
e-ISBN	9781467308014
DOI	10.1109/ECCE.2012.6342595
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Torque Interior permanent magnet synchronous machine (IPMSM) Multilayer Rotors Sensorless control Observers Pulse width modulation Stators Nonhomogeneous media Trajectory Sliding-mode observer (SMO)
Content Type	Text
Resource Type	Article

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