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《Journal of Agricultural Mechanization Research》 2006-11
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The Intelligent Monitor and Control for Temperature and Humidity of the United Greenhouses

ZHANG Wei-min1, FENG Lei1, ZHANG Mei-hong2 (1.Department of Computer and Information Technology, Guangzhou Maritime College, Guangzhou 510725, China; 2.Gardening Association of Zhangye City, Zhangye 734000, China)  
Based on local intelligent controllers, the distributed monitor and control system for greenhouses was introduced briefly. Because of the strong coupling and non-linearity characteristic, a new method for the soil humidity on-line measurement was proposed, with the modifying parameters and compensation of the soil temperature. The modifying parameters were optimized by the improved genetic algorithms in order to enhance the self adaptability of the soil humidity on-line measurement. In addition to, the fuzzy expert technology for soil humidity real-time control was emphasized to show control strategy realization. Finally, the monitor and control project applying in practice for temperature and humidity of the united greenhouses was discussed, and the conclusions were drawn.
【Fund】: 甘州区无公害蔬菜基地建设项目(20050305/09)
【CateGory Index】: S625
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