貯蔵果実の水損失を低減させる熱ストレスの知能的制御 Intelligent Control of Heat Stress to Reduce the Water Loss of Fruit during Storage

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In this study, an optimal control of heat stress was applied to minimize the water loss of fruit during storage using an intelligent control system. The control system consists of a decision system and a feedback control system. In the decision system, the dynamic change in the rate of the water loss, as affected by temperature, is first identified using neural networks and then the optimal<I>l</I>-step set points of temperatures that minimize the rate of the water loss are sought through simulation of the identified neural-network model using genetic algorithms. Here, an<I>l</I> (=6) -step control process was supposed. The length of each step was 24 h. Two optimal values, a single heat stress<I>T</I>= {40, 15, 15, 15, 15, 15°C} and double heat stress<I>T</I>= {40, 15, 40, 15, 15, 15°C}, were obtained as the optimal values under the range of 15 to 40°C. Especially, a temperature operation first rising to the highest level and then dropping to the lowest level in the given range provided a lower rate of the water loss than by keeping constant at the lowest level through whole the control process.

収録刊行物

  • 生物環境調節

    生物環境調節 40(2), 215-222, 2002-06-30

    Japanese Society of Agricultural, Biological and Environmental Engineers and Scientists

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各種コード

  • NII論文ID(NAID)
    10008748884
  • NII書誌ID(NCID)
    AN00129558
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05824087
  • NDL 記事登録ID
    6214191
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z18-52
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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