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溫室測控系統(tǒng)開關(guān)設(shè)備優(yōu)化組合預(yù)測控制方法
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國家高技術(shù)研究發(fā)展計劃(863計劃)資助項目（2006AA10Z258）


Predictive Control Method for Greenhouse Measurement and Control System Based on Switch Devices Optimization Combination
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    摘要:

    考慮開關(guān)設(shè)備組合作用下溫室測控系統(tǒng)的非線性動態(tài)特性，提出了結(jié)構(gòu)簡單,、不需復(fù)雜數(shù)值計算的離散預(yù)測模型,，在不小于最大時滯時域內(nèi)設(shè)備組合不變情況下,，對設(shè)備組合進行滾動優(yōu)化預(yù)測控制,，從而大大簡化了溫室測控系統(tǒng)預(yù)測控制算法的復(fù)雜性,，緩解了測控系統(tǒng)分布大時滯問題,。仿真分析和溫度的均方差表明,，對分布式、大時延溫室測控系統(tǒng)的優(yōu)化組合預(yù)測控制方法是有效的,。

    Abstract:

    Considering the nonlinear dynamic response of the greenhouse measurement and control system based on switch devices combination control, a discrete predictive model was proposed. The model had simple structure and uncomplex computation. Within the time domain not less than the maximum distribution delay of the system, the devices combination was keeped invariably and optimized rollingly to carry out predictive control, so the predictive control complexity of the system was greatly simplified, the problem of long distribution delays of the system was relieved. The simulation analysis and root mean square of the temperature showed that the optimization combination predictive control method was effective for the greenhouse measurement and control system with long distribution delays.

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沈 敏,張榮標(biāo),盛碧琦,宋永獻.溫室測控系統(tǒng)開關(guān)設(shè)備優(yōu)化組合預(yù)測控制方法[J].農(nóng)業(yè)機械學(xué)報,2011,42(2):186-189,161. Shen Min, Zhang Rongbiao, Sheng Biqi, Song Yongxian. Predictive Control Method for Greenhouse Measurement and Control System Based on Switch Devices Optimization Combination[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(2):186-189,161.

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