KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

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Title	Reduction of Periodic Speed Ripple of Electric Machines Using Resonant Controller and Repetitive Controller
Authors	정성민(Sung-Min Jung) ; 이정호(Jung-Ho Lee) ; 최종우(Jong-Woo Choi)
DOI	http://doi.org/10.5370/KIEE.2018.67.11.1434
Page	pp.1434-1446
ISSN	1975-8359
Keywords	Speed ripple ; Proportional-integral-resonant controller ; Repetitive controller
Abstract	This paper presents new speed control strategy for periodic load torque injected in AC motor. If motor drive system has a periodic load torque, it causes a periodic motor speed ripple bringing about vibrations and noises. This paper proposed new control method consisting of PIR(proportional-integral-resonant) controller and repetitive controller. PIR controller controls DC, low frequency and fundamental components and repetitive controller controls other harmonics. The performance has been verified through computer simulations using MATLAB Simulink and experiments.

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