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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Sensorless Control for Switched Reluctance Motor by Comparing Two Consecutive Switch-on times
Authors Hyong-Yeol Yang ; Jae-Hyuck Kim
DOI http://dx.doi.org/10.5207/JIEIE.2010.24.4.185
Page pp.185-191
ISSN 1225-1135
Keywords Motor Drive ; Position Estimation ; Sensorless Control ; Switched Reluctance Motor
Abstract This paper describes a new position sensorless control for the switched reluctance motor (SRM) by monitoring the rate of change of current with respect to the inductance variation. Two consecutive switch-on times in hysteresis current control are compared to calculate the rate of change of current and hence to estimate the rotor position and speed. The proposed sensorless control algorithm is simple to implement as it does not depend on extensive computation or additional hardware. Simulation and experimental results are presented to demonstrate the feasibility of the proposed sensorless control method.