TY - GEN
T1 - Velocity observer for PMSM without rotational transducer
AU - Batzel, Todd D.
AU - Lee, Kwang Y.
PY - 2005
Y1 - 2005
N2 - In this paper, a velocity estimator is proposed for the purpose of improving the transient velocity control performance of a permanent magnet synchronous motor (PMSM) operating without a rotor position or velocity transducer. An observer is designed to estimate rotor velocity using the electro-mechanical parameters of the system, measured stator currents, and the estimated rotor angle, where the angle estimate is obtained from a separate observer. Special attention is given to very low speed operation where the rotor angle estimate may be inaccurate due to ill-conditioning of the rotor angle observer under those conditions. Experiments are used to examine the velocity control performance of the resulting sensorless PMSM drive and the robustness of the system to external disturbances and model uncertainty.
AB - In this paper, a velocity estimator is proposed for the purpose of improving the transient velocity control performance of a permanent magnet synchronous motor (PMSM) operating without a rotor position or velocity transducer. An observer is designed to estimate rotor velocity using the electro-mechanical parameters of the system, measured stator currents, and the estimated rotor angle, where the angle estimate is obtained from a separate observer. Special attention is given to very low speed operation where the rotor angle estimate may be inaccurate due to ill-conditioning of the rotor angle observer under those conditions. Experiments are used to examine the velocity control performance of the resulting sensorless PMSM drive and the robustness of the system to external disturbances and model uncertainty.
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M3 - Conference contribution
AN - SCOPUS:27144461721
SN - 078039156X
SN - 9780780391567
T3 - 2005 IEEE Power Engineering Society General Meeting
SP - 2266
EP - 2271
BT - 2005 IEEE Power Engineering Society General Meeting
T2 - 2005 IEEE Power Engineering Society General Meeting
Y2 - 12 June 2005 through 16 June 2005
ER -