Fuzzy comprehensive evaluation of multiple environmental factors for swine building assessment and control

层次分析法 模糊逻辑 环境科学 环境影响评价 控制(管理) 计算机科学 可靠性工程 工程类 运筹学 生态学 生物 人工智能
作者
Qiuju Xie,Ji‐Qin Ni,Zhongbin Su
出处
期刊:Journal of Hazardous Materials [Elsevier BV]
卷期号:340: 463-471 被引量:58
标识
DOI:10.1016/j.jhazmat.2017.07.024
摘要

In confined swine buildings, temperature, humidity, and air quality are all important for animal health and productivity. However, the current swine building environmental control is only based on temperature; and evaluation and control methods based on multiple environmental factors are needed. In this paper, fuzzy comprehensive evaluation (FCE) theory was adopted for multi-factor assessment of environmental quality in two commercial swine buildings using real measurement data. An assessment index system and membership functions were established; and predetermined weights were given using analytic hierarchy process (AHP) combined with knowledge of experts. The results show that multi-factors such as temperature, humidity, and concentrations of ammonia (NH3), carbon dioxide (CO2), and hydrogen sulfide (H2S) can be successfully integrated in FCE for swine building environment assessment. The FCE method has a high correlation coefficient of 0.737 compared with the method of single-factor evaluation (SFE). The FCE method can significantly increase the sensitivity and perform an effective and integrative assessment. It can be used as part of environmental controlling and warning systems for swine building environment management to improve swine production and welfare.
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