Title |
Control Algorithm for PMSM using Rectangular Two Hall Sensors Compensated by Sensorless Control Method |
Authors |
Jung-Hyo Lee ; Taek-ki Lee ; Young-Ryul Kim ; Chung-Yeun Won |
DOI |
http://dx.doi.org/10.5207/JIEIE.2012.26.5.040 |
Keywords |
PMSM Vector Control ; Rectangular Wave Hall Sensor ; Low Resolution Position Sensor ; Sensorless Control |
Abstract |
The PMSM position sensor using two rectangular hall sensors can restrictively acquire the 90[°] position information of rotor according to electrical angle. Thus, the control method using this position sensor cannot react properly to a rapid load torque change. On the other hand, even though a sensorless method has the advantage of acquiring instantaneous rotor position information, the accuracy of position sensor can be determined by the gain value of estimator. This paper suggests a robust speed control method on torque fluctuation condition, which combines low cost two rectangular hall sensors and sensorless control method. |