Latest High-Voltage transformer-Linked PWM DC-DC Converter for X Ray Power Generator and Its Unique Digital Control Schemes

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This paper presents a repetitive learning control approach processed in combination with a type-1 optimal digital servo controller which is designed for a series and parallel resonant PWM inverter type DC-DC converter with a high voltage transformer link for a medical-use X-ray power generator. This control scheme is introduced in order to achieve rapid transient and dead-beat output voltage responses without any overshoots in addition to output voltage characteristics with low voltage ripple in its steady-state within widely specified setting ranges of output high-voltage and output current for X ray tube. An effectiveness of the repetitive learning control scheme to achieve a variety of quick transient performances in starting state based on abruptly-changed drooping operation of rectified voltage of input-side in the converter system for X ray power generator is discussed on the basis of computer simulation results and the experimental data. Furthermore, an optimal type-1 digital servo control scheme with error compensation loop is implemented in order to eliminate periodic voltage ripple fluctuations of rectifier circuit with a smoothing filter as well as abrupt voltage drooping in rectified DC input of this converter when X ray power generator is started and to realize stable and reduced voltage ripple operation in an X ray power generator.

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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 119(10), 1223-1233, 1999-10 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10004297278
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4866248
  • 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  NDL  J-STAGE 
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