Analysis of the influence of factors on the reliability of energy efficiency of enclosing structures of adjustment units using linguistic variables

G. Ratushniak, L. Lialiuk, O. Horiun
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Abstract

The use of innovative energy-saving structural units at the construction site will increase the energy efficiency of multi-storey residential buildings and reduce the cost of paying for energy consumed for heating in the cold season. The reliability of any system depends on the design, manufacture and operation. The durability and reliability of structures can be increased at the design stage, that is, during research, design, calculations and design development. A hierarchy of factors of influence on the reliability of ensuring energy efficiency of enclosing structures in the junction nodes has been developed. A tree of logical inference of hierarchical links has been built. The root of the tree of logical conclusions, as an integral indicator, allows, at the expert level, to provide intellectual support for the decisions made to choose a heat-insulating material and the design of the junction nodes. The analysis of the influence of factors on the reliability of ensuring the energy efficiency of the enclosing structures at thee junctions points using linguistic variables. In order to assess the reliability of thermal insulation material, expert knowledge bases were formed and fuzzy logical equations were written, as well as the response surface was constructed. Matrices of paired comparisons of scientific and technical design solutions for the terms “low”,”medium”, “high” have been created. Based on the solution of matrices of pairwise comparisons, accessory functions were obtained for all terms. The obtained results of membership functions are normalized by one by dividing by the highest degree of membership. The mathematical assessment of the process was carried out using out the Matlab software. The surfaces of the expert system for decision-making based on fuzzy inference are built.
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用语言变量分析调节单元围合结构能效可靠性的影响因素
在施工现场使用创新的节能结构单元将提高多层住宅的能源效率,并减少在寒冷季节为采暖所消耗的能源费用。任何系统的可靠性取决于设计、制造和操作。在设计阶段,即研究、设计、计算和设计开发阶段,可以提高结构的耐久性和可靠性。建立了影响结点围合结构能效可靠性的因素层次。建立了层次链接的逻辑推理树。逻辑结论树的根作为一个整体指标,允许在专家层面上为选择隔热材料和设计结节点的决策提供智力支持。用语言变量分析了三个结点处围护结构能效可靠性的影响因素。为了对保温材料的可靠性进行评估,建立了专家知识库,编写了模糊逻辑方程,构建了响应面。已经创建了“低”、“中”、“高”的科学和技术设计解决方案的配对比较矩阵。基于两两比较矩阵的解,得到了所有项的辅助函数。将得到的隶属函数结果除以最高隶属度归一化。利用Matlab软件对工艺过程进行了数学评价。建立了基于模糊推理的决策专家系统的曲面。
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