An Intelligent Decision Algorithm for a Greenhouse System Based on a Rough Set and D-S Evidence Theory

被引：0
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作者：
Wang, Lina [1 ]
Xu, Mengjie [1 ]
Zhang, Ying [1 ]
机构：
[1] College of Mechanical and Electronic Engineering, China Jiliang University, Zhejiang Province, Hangzhou, China
来源：
IAENG International Journal of Applied Mathematics | 2024年 / 54卷 / 06期
关键词：
This paper presents a decision-making approach grounded in rough set theory and evidential reasoning to address the demand for expert decision-making in greenhouse environmental control systems. Furthermore; a decision-making model is developed by integrating the D-S evidence theory with an expert knowledge table for greenhouse environmental control systems. The model’s reasoning process encompasses continuous attribute discretization; expert decision table formation; attribute reduction; and evidence combination reasoning. Firstly; the fuzzy C-means clustering algorithm is employed to discretize the original environmental data and cluster it. Subsequently; an attribute reduction algorithm based on information entropy is utilized to optimize the decision table by eliminating unnecessary conditional attributes in expert knowledge. The reduced indicators are then combined using evidential theory. Finally; suitable greenhouse control methods are determined by the confidence decision proposed by the D-S evidence theory. To assess the efficacy of this intelligent decision-making algorithm based on rough set and D-S evidence theory; its performance is compared with traditional SVM algorithms and small-shot learning algorithms. The results indicate that this proposed method significantly enhances the credibility of control decision-making processes; with an average running time of 0.002378s for the fusion decision algorithm and 0.017939s for the support vector machine (SVM) algorithm; respectively. The SVM accuracy rate after testing and training stands at 90.34%. Moreover; retraining based on information entropy attribute reduction leads to a correct decision rate increase of up to 100%. This method notably improves confidence levels in decision-making processes while reducing uncertainty and demonstrates reliability when applied in making decisions regarding greenhouse environments. © (2024); (International Association of Engineers). All rights reserved;
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页码：1240 / 1250
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