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Sensor-less Speed Control of PMSM for Driving Oil-free Air Compressor  

Kin, Min Ho (Electronics Engineering of Cheongju University)
Yang, Oh (Semiconductor Engineering of Cheongju University)
Kim, Youn Hyun (Department of Electric Engineering of Hanbat National University)
Publication Information
Journal of the Semiconductor & Display Technology / v.14, no.3, 2015 , pp. 45-50 More about this Journal
Abstract
This paper suggests the sensor-less speed control of PMSM (Permanent Magnet Synchronous Motor) without the position sensor of oil-free air compressor. It estimated d and q axis back electro motive force using Back-EMF (Electro motive Force) observer to control sensor-less speed of PMSM. Also it used the method that tracks the information of rotor position and speed using PLL (Phase Locked Loop) based on estimated d and q axis Back-EMF. The sensor-less speed control of PMSM for oil air compressor application is carried out with the introduced rotor position and speed tracking method. In this paper, the experimental characterization of the sensor-less drive is provided to verify the accuracy of the estimated position and the performance of sensor-less control is analyzed by results obtained from the experiment. Moreover, the potential of PMSM sensor-less drive in industrial application such as compressor drive is also examined.
Keywords
Oil-free Air Compressor; PMSM; Sensor-less control; Observer; Back-EMF;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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