Title |
Sensorless Speed Control of PMSM Based on Novel Adaptive Control with Compensated Parameters |
Authors |
남기현(Nam, Kee-Hyun) ; 권영안(Kwon, Young-Ahn) |
DOI |
https://doi.org/10.5370/KIEE.2013.62.7.956 |
Keywords |
Permanent magnet synchronous motor ; Sensorless control ; Parameter estimation ; Adaptive control |
Abstract |
Recently, sensorless controls, which eliminate position and speed sensor in a permanent magnet synchronous motor drive, have been much studied. Most sensorless control algorithms are based on the back-EMF and speed estimations which are obtained from the voltage equations. Therefore, the sensorless control performance is largely affected by the parameter errors of a motor. This paper investigates a novel adaptive control with the parameter error compensation for the speed sensorless control of a permanent magnet synchronous motor. The proposed parameter estimation is obtained from the d-axis current error between the real and estimated currents. The proposed algorithm is verified through the simulation and experimentation. |