Environmental quality evaluation for submarine based on D-S theory
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摘要: 以我国核潜艇舱室环境为研究对象,开展综合环境质量评价研究.经分析确定与潜艇舱室环境质量相关的影响因素主要包括温度、湿度、空气污染物、颗粒状污染物、微生物及噪声.为克服上述多评价因素之间的多项性和不确定性,提出采用基于D-S(Dempster-Shafer)证据理论的潜艇舱室综合环境质量评价方法.该方法是在层次分析法的基础上,引入证据理论,利用D-S合成公式对不同权重的多个专家评价信息进行合成.该方法能够有效综合多个不同权威评价专家的不确定性评价意见,提高评价结果可信度.Abstract: The integrative environmental quality is very important to staff working in the submarine cabin. There are many factors affecting the integrated environmental quality in a submarine cabin, such as temperature, humidity, air trace contaminants, particle pollutants, microorganism and noise. To better evaluate thses factors contributing to the environmental quality, an integrated environmental quality evaluation was studied based on D-S(Dempster-Shafer) theory and analytic hierarchy process. Firstly, the specialists get the evaluation results with the AHP(analytic hierarchy process), but usually different specialists have different weight coefficients for the same environmental fact. Therefore, it is very difficult to deal with this issue. To solve the issue, the D-S was introduced to synthesize the different specialist results. The results could effectively fuse multi-specialists uncertainty evaluation results and improve its dependability.
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