An asymptotically stable sensorless speed controller for non-salient permanent magnet synchronous motors
Por:
Shah D., Espinosa-Pérez G., Ortega R., Hilairet M.
Publicada:
10 mar 2014
Resumen:
A solution to the longstanding problem of sensorless control of an
electrical machine is provided in this paper. That is, the construction
of an asymptotically stable controller that regulates the mechanical
speed of the motor, measuring only the electrical coordinates. The
result is presented for a non-salient permanent magnet synchronous motor
perturbed by an unknown constant load torque. The proposed scheme is a
fourth order nonlinear observer-based controller that does not rely
onintrinsically nonrobustoperations like open-loop integration of the
systems dynamical model nor signal differentiation and can be easily
implemented in real time. The controller is easy to commission, with the
tuning gains directly determining the convergence rates of the position,
speed, and load torque observers. Simulation and experimental results
are presented. In particular, a comparison with a sensorless
field-oriented controller, recently proposed in the drives literature,
is carried out. Copyright (c) 2012 John Wiley & Sons, Ltd.
Filiaciones:
Shah D.:
Laboratoire des Signaux et Systèmes, CNRS-SUPELEC, 91192 Gif-sur-Yvette, France
Espinosa-Pérez G.:
Univ Nacl Autonoma Mexico, Fac Ingn, Mexico City 04510, DF, Mexico
Ortega R.:
Laboratoire des Signaux et Systèmes, CNRS-SUPELEC, 91192 Gif-sur-Yvette, France
Hilairet M.:
Laboratoire de Genie Electrique de Paris, CNRS-SUPELEC, 91192 Gif-sur-Yvette, France
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