ニューロ・ファジィによるセンサレス突極形プラシレスDCモータの推定値誤差の補正法 An Estimated Value Error Correcting Method Based on Neuro-Like Fuzzy Technique for Sensorless Controlled Salient Pole Braushless DC Motor Drive

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For sensorless controlled salient-pole brushless DC motor drives, a new AC current injection method which estimates the position angle with <i>d</i> and <i>q</i> inductances was proposed. However, the estimated position angles include the errors which are casued by an unsymmetrical construction based on the mechanical or magnetic tolerance on the motor. It is difficult to correct the errors with hardwares like filters.<br>An error correcting technique of an estimated position angle and rotating speed is proposed. The errors which are casued by the unsymmetrical construction appear as a modeling error of the motor periodically. Then, a neuro-like fuzzy technique can be applied to correct the error of the estimated position angle. When the motor is controlled at a commanded speed, the speed of the motor contains unexpected cyclic speed errors. The fuzzy model which estimates these errors is learned with a back propagation method which uses the cyclic errors as a teacher signal. Then, the system corrects the estimated position angles with the estimated errors. From the experimental results, the proposed sensorless control system could estimate more accurate position angle than conventional systems could.

収録刊行物

  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 118(2), 186-192, 1998-02 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002726218
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4392127
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-1608
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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