熵权和正交投影改进的TOPSIS法优选水库特征水位研究  

Study on optimization of reservoir characteristic level based on TOPSIS method improved by entropy and vertical projection

作　　者：黄强[1] 屈吉鸿[1,2] 王义民[1] 陈南祥[2] 

机构地区：[1]西安理工大学西北水资源与环境生态教育部重点实验室,西安710048 [2]华北水利水电学院,郑州450011

出　　处：《水力发电学报》2009年第1期35-40,共6页Journal of Hydroelectric Engineering

基　　金：国家自然科学基金(50679070);陕西省自然科学基金(2006D09)

摘　　要：针对现有水库特征水位优选方法的不足,采用改进的TOPSIS法优选水库特征水位。在分析传统的TOPSIS法存在的问题基础上,提出采用熵权法和正交投影的思想改进TOPSIS法;改进的模型既可避免优选结果受主观判断的不确定性和随意性,又可避免距理想解近的方案与负理想解也近的问题,提高了TOPSIS法的科学性和合理性,且模型计算相对简单。应用实例表明,采用改进的TOPSIS法优选的水库特征水位合理可行。In allusion to the shortcoming of current methods improved TOPSIS（Technique for order preference by similarity for optimizing the reservoir characteristic level, an to ideal solution） method is adopted to optimize the parameters. According to the analysis of problems in the traditional TOPSIS, entropy and vertical projection are used to improve the TOPSIS method, which can avoid not only the non-determinacy and optional judgments resulted from subjective opinions, but also the problem that coinstantaneous scheme may be ideal or not, so that it can improve its scientificity and rationality, The application indicates that the reservoir characteristic level optimized by the improved TOPSIS method is reasonable and feasible.

关 键 词：水电工程 水库特征水位优选 改进的TOPSIS法 熵权法 正交投影 

分 类 号：TV697.2[水利工程—水利水电工程]