模糊—物元综合评价法在环境空气质量评价中的应用研究

模糊综合评价法在大气环境质量评价中运用较为普遍,也是较为理想的一种方法模式。但目前该方法中隶属函数普遍采用"降半梯形"形式建立,每一级别的隶属函数仅与相邻上、下两个级别存在隶属关系,当污染级别浓度分布过于离散时,可能会遗失很多有用的信息,使评价结果出现误差。因此创新性地将物元分析法中关联度函数引入模糊综合评判法中,隶属度函数进行改进,建立了模糊—物元综合评价模型,通过将该模型与模糊综合评判模型的实例对比验证分析,结果表明:此模型相比于后者要更加合理、准确,实现了对大气环境质量评价方法的丰富和发展。

FUZZY-MATTER ELEMENT COMPREHENSIVE EVALUATION METHOD ON AIR ENVIRONMENTAL QUALITY ASSESSMENT

Fuzzy comprehensive evaluation method is an ideal method model,but it may be lost a lot of useful information and the result of the evaluation is not precise,when the level of pollution concentration distribution is too discrete.Therefore,this article innovative bring the correlation function of the fuzzy comprehensive assessment method into the fuzzy comprehensive evaluation method to improve the membership function and build fuzzy-matter element comprehensive evaluation model.By way of the comparative val...