Abstract：Focusing on the incompatibility with each factors of optimization and evaluation of mine ventilation systems, the fuzzy extension matter-element model based on entropy weight for optimizing the mine ventilation systems scheme was established from the three aspects including technical feasibility, economical rationality, and safety reliability; the model include 12 indexes, such as mine total wind pressure, equivalent orifice, fan efficiency, stability of fan functioning, mine anti-accident ability, etc. Indexes weights were calculated by the expert estimation combined with information entropy, the optimum scheme of comprehensive benefits was determined by a comprehensive relative membership degree. Furthermore, the model was used to evaluate and optimize the schemes of mine ventilation system reconstruction in Zhangxiaolou Mine and was compared with the result of fuzzy comprehensive evaluation. The results show that a comprehensive weight is more objective and accurate, the comprehensive relative membership degree has a good dispersion, and they possess utility value for the ventilation design of new mines and the ventilation system reconstruction of production mines.
2011, Vol. 29 
