基于区间数层次分析法的民用建筑太阳能热水系统评价

Evaluation Based on Interval Number Analytic Hierarchy Process for Solar Water Heating System of Civil Buildings

目的建立民用建筑太阳能热水系统评价指标体系,克服传统层次分析法的局限性,确定评价指标体系中各种因素的权重.方法运用区间数判断矩阵对民用建筑太阳能热水系统从系统与建筑集成、适用性能、安全性能、耐久性能、经济性能、部件进行了定量对比分析.通过构造层次结构模型,建立区间数判断矩阵、判定一致性并求解其权重向量.结果基于可能度最终确定了各评价指标的权重,其中对系统评价影响最大建筑设计占12.19%,其次结构设计占11.06%、运行安全占10.14%、给水排水设计占9.62%、供水能力占9.55%等,为实际太阳能热水系统工程的设计和评价提供了决策依据.结论采用区间数判断矩阵将定性分析和定量计算结合起来,较好地保证了权重的客观性和准确性,使评价指标体系更具操作性和实用性.

In this paper, the evaluation index system of solar water heating systems for civil buildings is established, and the weight of every factor in the evaluation index system is determined by overcoming the limitations of traditional analytic hierarchy process. Solar water heating systems for civil buildings is separately carded out in a way of quantity contrast analysis from the following aspects by applying the interval number judgment matrix： system and building integration of systems, applicability, safety performance, durability and economic performance and components and so on. Through structuring the hierarchy structure model, the interval number judgment matrix is established, and the consistency is judged, as well as the weight vector is solved. The weight of every evaluation index is finally determined based on probability degrees, amongst which influences the system evaluation most is architectural design, which takes up 12. 19%. Structure design is occupied 11.06% ;operation security 10. 14% ;water supply and drainage design 9.62% ;and water supply capacity accounts for 9.55 % and so on. This provides the basis for decision -making for the actual design and evaluation of solar water heating systems engineering. Combining the qualitative analysis and quantitative calculation by adopting the interval number judgment matrix guarantees objectivity and accuracy of the weight well, which makes evaluation index system more operational and practical.