スライディングモード制御によるステッピングモータの回転子振動抑制 Rotor Oscillation Damping of a Stepping Motor by Sliding Mode Control

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Stepping motors are used mainly in OA and FA systems due to the merit of their digital driving behavior using switching devices. They are driven by closed-loop control in the systems where special performance such as prevention of out of synchronism or highspeed drive is required.<br>It is well known that rotor oscillation is one of the principal problems in switched drive of a stepping motor, and nowadays several methods for damping of oscillation in which switching sequence is changed in respective manners have been suggested. In such method, the exciting time of stator windings must be tuned appropriately, or effect of damping becomes insufficient and oscillation may be even amplified in some circumstances. To resolve this problem, some adaptive methods for tuning of the exciting time have been developed. However, they have the disadvantage that there must be a period to tune the exciting time to the optimal value at the beginning of control or when the machine parameter is varied by changing of driving condition.<br>The authors developed a new method for rotor oscillation damping of a stepping motor in a closed-loop system. It is based on the technique of sliding mode control and designed to be robust to variation of rotor inertia which affects significantly to the oscillatory characteristic. In this method, a lower-order dynamical model, obtained by reaching to a sliding mode where the angle-torque characteristic of the motor is bound to a certain linear function, is made to be non-oscillatory by pole assignment over a certain region of varying rotor inertia. Applying this method to the experimental system, rotor oscillation is damped excellently in the cases of single-step and low-speed-multi-step drive. On the other hand, it is shown that deceleration must be needed near the last step in the case of high-speed drive.

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  • 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 117(11), 1375-1383, 1997-11 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002725622
  • 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
    4323252
  • 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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