Journal of international Conference on Electrical Machines and Systems

  • 제3권2호
  • /
  • Pages.126-131
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  • 2014
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  • 2234-6902(pISSN)
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  • 2234-7577(eISSN)
대한전기학회 분과 (Journal of International Conference on Electrical Machines and Systems)
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Stability Comparison of New Simplified Speed Sensorless Vector Control Systems for Induction Motors

  • Mangindaan, Glanny M.Ch. (Graduate School of Engineering, Nagasaki University) ;
  • Tsuji, Mineo (Graduate School of Engineering, Nagasaki University) ;
  • Hamasaki, Sin-Ichi (Graduate School of Engineering, Nagasaki University)
  • 투고 : 2014.04.20
  • 심사 : 2014.05.10
  • 발행 : 2014.06.01
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초록

This paper discusses stability of new simplified sensorless vector control systems of induction motors (IM). The simplified sensorless systems estimate the flux angle by using the output voltage of d-axis PI current controller to achieve the q-axis flux zero. Two simplified sensorless systems are studied. The difference of two systems is the presence or absence of a q-axis PI current controller. The systems stability is compared by deriving linear state equations and showing root loci and unstable regions. Furthermore, transient responses and experiment results make clear the stability of the proposed system.

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참고문헌

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