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1、第23卷第9期中國礦業(yè)Vo1.23,No.92014年9月CHINAMININGMAGAZINESep.2014基于統(tǒng)計模糊權(quán)重和模糊區(qū)間評價的采礦方法優(yōu)選模型姚囝,葉義成,王其虎,施耀斌,魯方(武漢科技大學(xué)資源與環(huán)境工程學(xué)院,湖北武漢430081)摘要:針對采礦方法優(yōu)選過程中評價指標(biāo)及其權(quán)重值較難確定的問題,提出了基于統(tǒng)計方法的指標(biāo)權(quán)重值計算方法。通過對大量采礦方法優(yōu)選學(xué)術(shù)論文的統(tǒng)計和分析,綜合分析了大量采礦行業(yè)專家在采礦方法優(yōu)選過程中評價指標(biāo)模型,確定了以基于被選次數(shù)統(tǒng)計的指標(biāo)權(quán)重值和帶權(quán)重統(tǒng)計的指標(biāo)權(quán)重值為區(qū)間邊界、二者綜合計算的加權(quán)指標(biāo)權(quán)重值為最大可能值的評價指標(biāo)模糊區(qū)問權(quán)重值。根
2、據(jù)模糊評價原理建立了模糊區(qū)間評價模型,建立了一種計算簡便的區(qū)間數(shù)概率密度函數(shù),并設(shè)計了一種區(qū)間數(shù)排序方法,利用模糊區(qū)間評價方法對評價方案進行了最大可能值排序和區(qū)間數(shù)排序,并綜合考慮兩種排序結(jié)果確定了最終排序。采用基于統(tǒng)計模糊權(quán)重和模糊區(qū)間評價的采礦方法優(yōu)選模型進行了某多層礦床采礦方法優(yōu)選,應(yīng)用案例表明,用模糊區(qū)間數(shù)表示評價指標(biāo)權(quán)重值更加準(zhǔn)確、合理,評價過程較好地模擬了優(yōu)選過程中的模糊性和不確定性,對采礦方法優(yōu)選具有一定參考意義。關(guān)鍵詞:采礦方法;優(yōu)選;評價指標(biāo);統(tǒng)計方法;模糊區(qū)間權(quán)重值;模糊區(qū)間評價中圖分類號:TD823文獻標(biāo)識碼:A文章編號:1004—4051(2014)09—0112—
3、06TheoptimalselectionmodelofminingmethodbasedonstatisticalfuzzyweightsandfuzzyintervalevaluationYA0Nan,YEYi—cheng,WANGQi-hu,SHIYao-bin,LUFang(CollegeofResourcesandEnvironmentalEngineering,WuhanUniversityofScienceandTechnology,Wuhan430081,China)Abstract:InordertOsolvetheprobleminselectingevaluation
4、indexesanddeterminingtheirweights,thecalculationmethodofevaluationindexweightsbasedonstatisticalmethodwasproposed.Thefuzzyintervalweightsofevaluationindexeswasdeterminedwhichwascombinedbythestatisticalweightsbasedonselectedtimesofindexweightsandthestatisticalweightsofevaluationindexeswiththeirweig
5、htsastheboundaryoffuzzyintervalweights,andthecomprehensivecalculationoftwokindsofstatisticalweightsasthemostpossiblenumbersoffuzzyintervalweights,aftercomprehensiveanalyzingofnumerousminingexperts’evaluationindexmodelsbycountingandanalyzingtheirpapersofminingmethodoptimization.Thefuzzyintervaleval
6、uationmodelandaprobabilitydensityfunctionofintervalnumberwhichcalculatedsuccinctlyareestablished,andarankingmethodofintervalnumbersisalsodesignedbasedonthefuzzyevaluationprinciples.Evaluationmethodsarerankedasthemaximumpossibilityandtheintervalnumbersbyusingthefuzzyintervalevaluationmethod,thefina
7、lrankingofevaluationmethodswasdeterminedbyconsideringthetwokindsofrankingmethods.Theoptimalselectionofminingmethodofamultilayermineraldepositbyapplyingtheoptimalselectionmodelofminingmethodbasedonstatisticalfuzzy