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The Change of Temperature of the Back Wall in Solav Greenhouse and Forecasting Model(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年07期
Page:
34-39
Research Field:
Publishing date:

Info

Title:
The Change of Temperature of the Back Wall in Solav Greenhouse and Forecasting Model
Author(s):
HE Yu1; XU Hui2; LI Tian-lai2; YAMAKUQI Tomoharu3
1.Qipanshan Exploitation Area Management Committee,Shenyang,Liaoning 110161;
2.Institute of Protected Horticulture of Liaoning,College of Horticulture,Shenyang Agricultural University，Shenyang,Liaoning 110161;
3.Insitute of Agricultural and Forest Engineering,University of Tsukuba,Tsukuba,Japan 305-8572
Keywords:
solar greenhouse; thermal current amount; temperature of the back wall; forecasting model
PACS:
S 626.5
DOI:
-
Abstract:
Temperature of the back wall,soil temperature and air temperature in greenhouse located in College of Horticulture,Shenyang Agricultural University were measuremented and analyzed,based on the model of the thermal balance,using diathermanous theory analyzed the thermal model of greenhouse，using Matlab software proceed nonlinear regression,and fits equation the parameters of this model were obtained.The results showed that this model could accurately reflect the temperature changes of back wall in the greenhouse.The model was the basis for the forecast temperature changes of back wall and control of automation.For the further study insulation properties of greenhouse,achieved intelligent greenhouse feed-forward control provided the means and basis.

References:

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Last Update: 2014-09-03