To address the issue of decision ambiguity in the matter-element extension decision model when handling those cases with small correlation differences, this paper proposes a grey-extension decision model based on information entropy. The model employs information entropy to evaluate the uncertainty contribution of the matter-element extension decision model and grey correlation analysis model to classification results, enabling more scientific decision analysis. By integrating the extension correlation function and grey correlation function, the model measures the correlation degree between samples and grades from both single-index and multi-index perspectives, calculates information entropy accordingly, and constructs a comprehensive correlation evaluation model via an information-entropy weighting strategy. In the empirical study on surrounding rock mass quality classification of four typical sections in the underground caverns of Bulungl-Gongur hydropower station, the proposed model achieved 100% classification accuracy, outperforming other comparative models and methods. Furthermore, in four different domain applications including fitness club service capability evaluation, the proposed model's classification results showed a 100% consistency rate with actual situations. The correlation degrees exhibited better stability, demonstrating the model's excellent robustness.
为验证所提出模型对不同数据对象的泛化能力,本文将该模型与物元可拓决策模型在健身俱乐部服务能力评价[29]、体育馆火灾风险评价[30]、石油储罐风险评价[31]及2023年西安市城市空气质量评价[32]等场景中开展对比实验,得到如图1—图4所示结果。其中绿色折线“Matter Element Extension Model”代表“物元可拓决策模型”;红色折线“Proposed Model”代表“本文模型”。
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