Selecting the optimal one from similar schemes is a paramount work in equipment design.In consideration of similarity of schemes and repetition of characteristic indices,the theory of set pair analysis(SPA)is proposed...Selecting the optimal one from similar schemes is a paramount work in equipment design.In consideration of similarity of schemes and repetition of characteristic indices,the theory of set pair analysis(SPA)is proposed,and then an optimal selection model is established.In order to improve the accuracy and flexibility,the model is modified by the contribution degree.At last,this model has been validated by an example,and the result demonstrates the method is feasible and valuable for practical usage.展开更多
针对某万吨级铜矿扩建工程,提出6种可行性方案进行初选,优选出3种方案进行详细的技术经济比较。根据方案比选的基本方法和资金的时间价值原理,在方案经营期相同的前提下,利用费用现值法(Present Value Cost)对3种优选方案进行投资经营...针对某万吨级铜矿扩建工程,提出6种可行性方案进行初选,优选出3种方案进行详细的技术经济比较。根据方案比选的基本方法和资金的时间价值原理,在方案经营期相同的前提下,利用费用现值法(Present Value Cost)对3种优选方案进行投资经营费用比较,根据费用现值法的比选原则得出最佳开采方案。展开更多
文摘Selecting the optimal one from similar schemes is a paramount work in equipment design.In consideration of similarity of schemes and repetition of characteristic indices,the theory of set pair analysis(SPA)is proposed,and then an optimal selection model is established.In order to improve the accuracy and flexibility,the model is modified by the contribution degree.At last,this model has been validated by an example,and the result demonstrates the method is feasible and valuable for practical usage.
