浄化プロセス制御の最適操作量決定のモデルベースエキスパートシステム A Model-Based Expert System for Determining Optimal Control Inputs in Purification Process Control

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One important step in zinc hydrometallurgy is the purification process, which involves removing impurities such as copper, cadmium and cobalt from a zinc sulfate solution to obtain a satisfactory electrolyte. The key point in the control of the purification process is the determination of the optimal amounts of zinc dust, ethylxanthic acid sodium salt and copper sulfate that are added to the reaction tanks. This paper describes a methodology for determining the optimal amounts by using a model-based expert system technique. First, a static mathematical model is established based on the chemical reactions involved and experimental data on the process. Then, it is modified in accordance with the experience and knowledge of 'expert' personnel and with data on the process, and a rule model is established. Finally, the modified mathematical model and the rule model are combined into a model-based expert system that determines the optimal amounts. The results of an actual run show that a control system using the proposed methodology provides not only a high-purity product but also significant economic benefits.

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 117(7), 856-862, 1997-07 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002724835
  • 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
    4248494
  • 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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