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On extended Kalman filters with augmented state vectors for the stator flux estimation in SPMSMs

Thomas Vyncke UGent, René Boel UGent and Jan Melkebeek UGent (2010) Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC). p.1711-1718
abstract
The demand for highly dynamic electrical drives, characterized by high quality torque control, in a wide variety of applications has grown tremendously during the past decades. Direct torque control (DTC) for permanent magnet synchronous motors (PMSM) can provide this accurate and fast torque control. When applying DTC the change of the stator flux linkage vector is controlled, based on torque and flux errors. As such the estimation of the stator flux linkage is essential. In the literature several possible solutions for the estimation of the stator flux linkage are proposed. In order to overcome problems associated with the integration of the back-emf, the use of state observers has been advocated in the literature. Several types of state observers have been conceived and implemented for PMSMs, especially the Extended Kalman Filter (EKF) has received much attention. In most reported applications however the EKF is only used to estimate the speed and rotor position of the PMSM in order to realize field oriented current control in a rotor reference frame. Far fewer publications mention the use of an EKF to estimate the stator flux linkage vector in order to apply DTC. Still the performance of the EKF in the estimation of the stator flux linkage vector has not yet been thoroughly investigated. In this paper the performance of the EKF for stator flux linkage is studied and simulated. The possibilities to improve the estimation by augmenting the state vector and the consequences of these alterations are explored. Important practical aspects for FPGA implementation are discussed.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
SYNCHRONOUS MOTOR DRIVE, DIRECT TORQUE CONTROL
in
Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC)
issue title
2010 Twenty-fifth annual IEEE applied power electronics conference and exposition (APEC)
pages
1711 - 1718
publisher
IEEE
place of publication
New York, NY, USA
conference name
25th Annual IEEE Applied Power Electronics conference and exposition (APEC 2010)
conference location
Palm Springs, CA, USA
conference start
2010-02-21
conference end
2010-02-25
Web of Science type
Proceedings Paper
Web of Science id
000278142300269
ISSN
1048-2334
ISBN
9781424447824
9781424447831
DOI
10.1109/APEC.2010.5433462
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
989927
handle
http://hdl.handle.net/1854/LU-989927
date created
2010-06-28 14:27:33
date last changed
2011-04-06 15:33:30
@inproceedings{989927,
  abstract     = {The demand for highly dynamic electrical drives, characterized by high quality torque control, in a wide variety of applications has grown tremendously during the past decades. Direct torque control (DTC) for permanent magnet synchronous motors (PMSM) can provide this accurate and fast torque control. When applying DTC the change of the stator flux linkage vector is controlled, based on torque and flux errors. As such the estimation of the stator flux linkage is essential. In the literature several possible solutions for the estimation of the stator flux linkage are proposed. In order to overcome problems associated with the integration of the back-emf, the use of state observers has been advocated in the literature. Several types of state observers have been conceived and implemented for PMSMs, especially the Extended Kalman Filter (EKF) has received much attention. In most reported applications however the EKF is only used to estimate the speed and rotor position of the PMSM in order to realize field oriented current control in a rotor reference frame. Far fewer publications mention the use of an EKF to estimate the stator flux linkage vector in order to apply DTC. Still the performance of the EKF in the estimation of the stator flux linkage vector has not yet been thoroughly investigated. In this paper the performance of the EKF for stator flux linkage is studied and simulated. The possibilities to improve the estimation by augmenting the state vector and the consequences of these alterations are explored. Important practical aspects for FPGA implementation are discussed.},
  author       = {Vyncke, Thomas and Boel, Ren{\'e} and Melkebeek, Jan},
  booktitle    = {Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC)},
  isbn         = {9781424447824},
  issn         = {1048-2334},
  keyword      = {SYNCHRONOUS MOTOR DRIVE,DIRECT TORQUE CONTROL},
  language     = {eng},
  location     = {Palm Springs, CA, USA},
  pages        = {1711--1718},
  publisher    = {IEEE},
  title        = {On extended Kalman filters with augmented state vectors for the stator flux estimation in SPMSMs},
  url          = {http://dx.doi.org/10.1109/APEC.2010.5433462},
  year         = {2010},
}

Chicago
Vyncke, Thomas, René Boel, and Jan Melkebeek. 2010. “On Extended Kalman Filters with Augmented State Vectors for the Stator Flux Estimation in SPMSMs.” In Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC), 1711–1718. New York, NY, USA: IEEE.
APA
Vyncke, T., Boel, R., & Melkebeek, J. (2010). On extended Kalman filters with augmented state vectors for the stator flux estimation in SPMSMs. Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC) (pp. 1711–1718). Presented at the 25th Annual IEEE Applied Power Electronics conference and exposition (APEC 2010), New York, NY, USA: IEEE.
Vancouver
1.
Vyncke T, Boel R, Melkebeek J. On extended Kalman filters with augmented state vectors for the stator flux estimation in SPMSMs. Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC). New York, NY, USA: IEEE; 2010. p. 1711–8.
MLA
Vyncke, Thomas, René Boel, and Jan Melkebeek. “On Extended Kalman Filters with Augmented State Vectors for the Stator Flux Estimation in SPMSMs.” Annual IEEE Conference on Applied Power Electronics Conference and Exposition (APEC). New York, NY, USA: IEEE, 2010. 1711–1718. Print.