This work presents a system for an integrated evaluation of the implementation of small hydroelectric power plants (SHPs), based on a soft decision tree. The method generates the enterprise's sustainability index, where economic, environmental, and social aspects are considered in its interactions, with indicators measured in the field, sectoral indexes, and final index generated by fuzzy logic rule blocks. The methodology used to select the indicators and indexes followed four phases. First, a fuzzy expert system (FES) was developed in the form of a soft decision tree. Then, the array of suggested variables and weights were submitted to expert analysis using the Delphi methodology, and their assessments were collected. The third phase was the improvement of the system, taking into account the obtained considerations. In the fourth phase, the system was applied to a case study based on the installation of an SHP in the southern region of Brazil. The results obtained in the case study showed the sustainability of the enterprise. The presented method can have a significant contribution in supporting decisions regarding the licensing of hydroelectric projects.

中文翻译：

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基于模糊逻辑的小型水电厂可持续发展状况评估系统

这项工作提出了一个基于软决策树的，对小型水力发电厂（SHP）实施情况进行综合评估的系统。该方法生成企业的可持续性指标，其中在交互中考虑了经济，环境和社会方面，并通过模糊逻辑规则块生成了在现场测量的指标，行业指标和最终指标。选择指标和指数的方法学分为四个阶段。首先，以软决策树的形式开发了模糊专家系统（FES）。然后，使用Delphi方法将建议的变量和权重数组提交给专家分析，并收集他们的评估。第三阶段是系统的改进，同时考虑到了获得的考虑因素。在第四阶段 将该系统应用于基于巴西南部地区安装的SHP的案例研究。案例研究中获得的结果表明了企业的可持续性。所提出的方法在支持有关水电项目许可的决策方面可以做出重大贡献。