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Construction and Implement on Environmental Fuzzy Security Evaluation System

Author: LiuChunNa
Tutor: LvMou
School: Qingdao Technological University
Course: Environmental Engineering
Keywords: Safety Fuzzy Evaluation System AHP Fuzzy Comprehensive Evaluation GUI Ecological security
CLC: X820
Type: Master's thesis
Year: 2010
Downloads: 100
Quote: 0
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Abstract


The human impact on an unprecedented scale and speed of changing living environment, resulting in a natural environment on the human disaster of \Ecological problems such as dust storms, earthquakes, tsunamis, drought severely affected the socio-economic development and human life. For water is essential for human life items, water resources shortage, a sharp deterioration of the water environment, floods continue to occur water crisis in the community are beginning to attach great importance to the importance of water safety. These disasters environmental problems again and again sounded a warning to humanity, mankind has clearly recognized the \major issue. In order to solve these security issues, through a comprehensive analysis of research on ecological security, water security \more applicable safety fuzzy evaluation system, to address these security issues in the future to provide the necessary reference. Security fuzzy evaluation system by analyzing the characteristics of the studied system and the relevant historical data information, the establishment of a can comprehensively reflect the system safety characteristics of the safety evaluation index system; the introduced improved AHP determine all the factors of the right to re-evaluation index system; and proposed The safety evaluation of the scale of the system into five levels: safety, security, safer, dangerous, very dangerous. Fuzzy characteristics, the development of a multi-level multi-level fuzzy comprehensive evaluation method for the safety evaluation. By MATLAB7.1 GUI interface, and ultimately the visualization, intuitive security fuzzy evaluation system. This article will build security fuzzy evaluation system applied to the Huangdao, Qingdao Petrochemical recent years ecological risk assessment, safety evaluation rating obtained in recent years, the petrochemical area. And nearly Rank comparative analysis and, finally, a greater threat to its security in the area factors. The security fuzzy evaluation system is also applied to the safety evaluation of Qingdao City, a city of regional water supply pipe segment, given the level of security of the urban water supply pipe segment, in good agreement with the actual. Through the above work, indicating the feasibility of the visual security fuzzy evaluation system. Also found simultaneously through the application of the system there are still some improvements extending, to be further improved.

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CLC: > Environmental science, safety science > Environmental Quality Assessment and Environmental Monitoring > Analysis and Evaluation of Environmental Quality > General issues
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