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http://dx.doi.org/10.13000/JFMSE.2017.29.3.778

Sensorless Control of a Permanent Magnet Synchronous Motor for Electric Propulsion System of Small Ships  

JEONG, Tae-Young (Pukyong National University)
Wibowo, Wahyu Kunto (Pukyong National University)
JEONG, Seok-Kwon (Pukyong National University)
Publication Information
Journal of Fisheries and Marine Sciences Education / v.29, no.3, 2017 , pp. 778-784 More about this Journal
Abstract
This paper proposes a sensorless speed control of a permanent magnet synchronous motor (PMSM) based on an adaptive sliding mode observer (SMO) for electric propulsion system of small ships. An adaptive observer gain is proposed based on the Lyapunov's stability criterion to reduce the chattering problem at any speed operation instead of the constant gain observer. Furthermore, a cascade low-pass filter with variable cut-off frequency is suggested to strengthen the filtering capability of the observer. The experimental results from a 1.5 kW PMSM drive are provided to verify the effectiveness of the proposed adaptive SMO. The result shows that the proposed method gives good speed control performances even when the PMSM operates at 0.5% from its rated speed value.
Keywords
Sensorless speed control; Permanent magnet synchronous motor; Adaptive sliding mode observer; Electric propulsion system; Small ships; Adaptive observer gain; Cascade low-pass filter;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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