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  [in Japanese] Intelligent Control of Heat Stress to Reduce the Water Loss of Fruit during Storage  [in Japanese]

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Author(s)

Abstract

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.

Journal

  • Environment Control in Biology

    Environment Control in Biology 40(2), 215-222, 2002-06-30

    Japanese Society of Agricultural, Biological and Environmental Engineers and Scientists

References:  23

Cited by:  1

Codes

  • NII Article ID (NAID)
    10008748884
  • NII NACSIS-CAT ID (NCID)
    AN00129558
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    05824087
  • NDL Article ID
    6214191
  • NDL Source Classification
    ZR1(科学技術--生物学)
  • NDL Call No.
    Z18-52
  • Data Source
    CJP  CJPref  NDL  J-STAGE 
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