The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Reduction of Periodic Speed Ripple of Electric Machines Using Resonant Controller and Repetitive Controller

공진제어기와 반복제어기를 사용한 전동기의 주기적인 속도 리플 저감

  • Jung, Sung-Min (Component Solution Control Development Team, H&A Control Laboratory, LG Electronics) ;
  • Lee, Jung-Ho (Dept. of Electrical Engineering, Kyungpook National University) ;
  • Choi, Jong-Woo (Dept. of Electrical Engineering, Kyungpook National University)
  • Received : 2017.06.15
  • Accepted : 2018.09.27
  • Published : 2018.11.01
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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.

Keywords

References

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