为克服单一赋权法的局限性,结合山区干线公路交通特征及交通安全评价指标的选取原则,从社会因素、驾驶因素、环境因素、管理因素和道路因素五个维度出发,选取18个综合评价指标,运用序关系分析法(Order Relation Analysis Method,G1)-指...为克服单一赋权法的局限性,结合山区干线公路交通特征及交通安全评价指标的选取原则,从社会因素、驾驶因素、环境因素、管理因素和道路因素五个维度出发,选取18个综合评价指标,运用序关系分析法(Order Relation Analysis Method,G1)-指标相关性权重确定法(Criteria Importance Through Intercriteria Correlation,CRITIC)确定各评价指标的权重,并结合折中妥协多属性决策法(VlseKriterijumska Optimizacija I Kompromisno Resenje,VIKOR)对山区干线公路交通安全进行综合评价,提出了基于G1-CRITIC-VIKOR模型的山区干线公路交通安全综合评价及比选方法。以中国西部6条山区干线公路为例进行实证研究,结果表明,G1-CRITIC-VIKOR模型的评价效果与传统的秩和比(Rank-Sum Ratio,RSR)综合评价法及加权逼近理想解排序法(Technique for Order Preference by Similarity to Ideal Solution,TOPSIS)的评价结果基本一致,且评价效果明显优于后者,具有更好的辨识性,验证了该模型的可行性和科学性。展开更多
针对传统的目标威胁评估往往只面向单种类目标的问题,从体系角度构建目标威胁评估指标体系,并提出一种基于区间层次分析(interval analytic hierarchy process,IAHP)法-指标相关性的权重确定(criteria importance through inter-criteri...针对传统的目标威胁评估往往只面向单种类目标的问题,从体系角度构建目标威胁评估指标体系,并提出一种基于区间层次分析(interval analytic hierarchy process,IAHP)法-指标相关性的权重确定(criteria importance through inter-criteria correlation,CRITIC)法-折衷解备选方案排序(measurement alternatives and ranking according to compromise solution,MARCOS)法的体系目标威胁评估方法。首先,利用IAHP和CRITIC分别计算出各项指标的主、客观权重。在此基础上,利用最小信息鉴别原理进行组合赋权,以此避免单独赋权的缺陷。然后,基于MARCOS计算各个目标威胁值,并进行威胁排序。最后,通过仿真实例对比分析采用灰色关联分析(grey relational analysis,GRA)、逼近理想解排序法(technique for order preference by similarity to ideal solution,TOPSIS)、GRA-TOPSIS以及MARCOS得出的目标威胁排序结果,验证所提方法的科学性和有效性。展开更多
为更好地反映我国沿海地区主要港口的综合竞争力,从港口的基础设施、经济结构、港口效率、港口发展潜力等4个维度,构建沿海港口竞争力评价指标体系。结合逼近理想解排序法(technique for order preference by similarity to an ideal so...为更好地反映我国沿海地区主要港口的综合竞争力,从港口的基础设施、经济结构、港口效率、港口发展潜力等4个维度,构建沿海港口竞争力评价指标体系。结合逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS),分别采用随机主观和客观赋权方法对港口竞争力进行评价,并运用Kendall一致性检验和CRITIC法将各指标主客观权重组合,构建组合赋权-TOPSIS的港口竞争力评价模型。以我国14个主要沿海港口为研究对象进行实验分析。结果表明:上海港、宁波舟山港的港口竞争力最强;天津港、广州港、深圳港、青岛港、烟台港、大连港的竞争力较强;湛江港、海口港、福州港、厦门港、泉州港、汕头港的竞争力较弱。对各港口指标数据进行聚类分析,聚类结果与评价结果相符,证明评价模型合理。展开更多
Floor water inrush is one of the main types of coal mine water hazards.With the development of deep mining,the prediction and evaluation of floor water inrush is particularly significant.This paper proposes a variable...Floor water inrush is one of the main types of coal mine water hazards.With the development of deep mining,the prediction and evaluation of floor water inrush is particularly significant.This paper proposes a variable weight model,which combines a multi-factor interaction matrix(MFIM)and the technique for order performance by similarity to ideal solution(TOPSIS)to implement the risk assessment of floor water inrush in coal mines.Based on the MFIM,the interaction between seven evaluation indices,including the confined water pressure,water supply condition and aquifer water yield property,floor aquifuge thickness,fault water transmitting ability,fracture development degree,mining depth and thickness and their influence on floor water inrush were considered.After calculating the constant weights,the active degree evaluation was used to assign a variable weight to the indices.The values of the middle layer and final risk level were obtained by TOPSIS.The presented model was successfully applied in the 9901 working face in the Taoyang Mine and four additional coal mines and the results were highly consistent with the engineering situations.Compared with the existing nonlinear evaluation methods,the proposed model had advantages in terms of the weighting,principle explanation,and algorithm structure.展开更多
目的采用一测多评(QAMS)法同时测定法制半夏曲中肌苷、鸟苷、腺苷等11种成分含量,并建立其灰色关联度分析(GRA)联合熵权逼近理想解排序分析法(EW-TOPSIS)综合质量评价方法。方法采用Shimadzu C 18色谱柱;乙腈-0.5%醋酸为流动相,梯度洗脱...目的采用一测多评(QAMS)法同时测定法制半夏曲中肌苷、鸟苷、腺苷等11种成分含量,并建立其灰色关联度分析(GRA)联合熵权逼近理想解排序分析法(EW-TOPSIS)综合质量评价方法。方法采用Shimadzu C 18色谱柱;乙腈-0.5%醋酸为流动相,梯度洗脱,流速1.0 mL·min-1;检测波长254和290 nm。以对甲氧基肉桂酸乙酯为内参比物质,计算其他10个成分的相对校正因子(RCF),测定各成分含量。采用GRA联合EW-TOPSIS模型对法制半夏曲进行综合质量评价。结果法制半夏曲中11种成分在一定浓度范围内线性关系良好,相关系数均>0.999;平均加样回收率96.94%~100.12%(RSD<2.0%,n=9);QAMS与外标法(ESM)实测值无明显差异。GRA模型相对关联度0.2903~0.6187,EW-TOPSIS模型相对接近度0.2114~0.6343;GRA和EW-TOPSIS模型综合评价结果基本一致。结论QAMS法便捷、准确,可用于法制半夏曲多指标成分定量控制,GRA联合EW-TOPSIS模型可用于法制半夏曲综合质量评价。展开更多
文摘为克服单一赋权法的局限性,结合山区干线公路交通特征及交通安全评价指标的选取原则,从社会因素、驾驶因素、环境因素、管理因素和道路因素五个维度出发,选取18个综合评价指标,运用序关系分析法(Order Relation Analysis Method,G1)-指标相关性权重确定法(Criteria Importance Through Intercriteria Correlation,CRITIC)确定各评价指标的权重,并结合折中妥协多属性决策法(VlseKriterijumska Optimizacija I Kompromisno Resenje,VIKOR)对山区干线公路交通安全进行综合评价,提出了基于G1-CRITIC-VIKOR模型的山区干线公路交通安全综合评价及比选方法。以中国西部6条山区干线公路为例进行实证研究,结果表明,G1-CRITIC-VIKOR模型的评价效果与传统的秩和比(Rank-Sum Ratio,RSR)综合评价法及加权逼近理想解排序法(Technique for Order Preference by Similarity to Ideal Solution,TOPSIS)的评价结果基本一致,且评价效果明显优于后者,具有更好的辨识性,验证了该模型的可行性和科学性。
文摘针对传统的目标威胁评估往往只面向单种类目标的问题,从体系角度构建目标威胁评估指标体系,并提出一种基于区间层次分析(interval analytic hierarchy process,IAHP)法-指标相关性的权重确定(criteria importance through inter-criteria correlation,CRITIC)法-折衷解备选方案排序(measurement alternatives and ranking according to compromise solution,MARCOS)法的体系目标威胁评估方法。首先,利用IAHP和CRITIC分别计算出各项指标的主、客观权重。在此基础上,利用最小信息鉴别原理进行组合赋权,以此避免单独赋权的缺陷。然后,基于MARCOS计算各个目标威胁值,并进行威胁排序。最后,通过仿真实例对比分析采用灰色关联分析(grey relational analysis,GRA)、逼近理想解排序法(technique for order preference by similarity to ideal solution,TOPSIS)、GRA-TOPSIS以及MARCOS得出的目标威胁排序结果,验证所提方法的科学性和有效性。
文摘为更好地反映我国沿海地区主要港口的综合竞争力,从港口的基础设施、经济结构、港口效率、港口发展潜力等4个维度,构建沿海港口竞争力评价指标体系。结合逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS),分别采用随机主观和客观赋权方法对港口竞争力进行评价,并运用Kendall一致性检验和CRITIC法将各指标主客观权重组合,构建组合赋权-TOPSIS的港口竞争力评价模型。以我国14个主要沿海港口为研究对象进行实验分析。结果表明:上海港、宁波舟山港的港口竞争力最强;天津港、广州港、深圳港、青岛港、烟台港、大连港的竞争力较强;湛江港、海口港、福州港、厦门港、泉州港、汕头港的竞争力较弱。对各港口指标数据进行聚类分析,聚类结果与评价结果相符,证明评价模型合理。
基金Projects(41877239,51379112,51422904,40902084,41772298)supported by the National Natural Science Foundation of ChinaProject(2019GSF111028)supported by the Key Technology Research and Development Program of Shandong Province,China+1 种基金Project(2018JC044)supported by the Fundamental Research Funds of Shandong University,ChinaProject(JQ201513)supported by the Natural Science Foundation of Shandong Province,China。
文摘Floor water inrush is one of the main types of coal mine water hazards.With the development of deep mining,the prediction and evaluation of floor water inrush is particularly significant.This paper proposes a variable weight model,which combines a multi-factor interaction matrix(MFIM)and the technique for order performance by similarity to ideal solution(TOPSIS)to implement the risk assessment of floor water inrush in coal mines.Based on the MFIM,the interaction between seven evaluation indices,including the confined water pressure,water supply condition and aquifer water yield property,floor aquifuge thickness,fault water transmitting ability,fracture development degree,mining depth and thickness and their influence on floor water inrush were considered.After calculating the constant weights,the active degree evaluation was used to assign a variable weight to the indices.The values of the middle layer and final risk level were obtained by TOPSIS.The presented model was successfully applied in the 9901 working face in the Taoyang Mine and four additional coal mines and the results were highly consistent with the engineering situations.Compared with the existing nonlinear evaluation methods,the proposed model had advantages in terms of the weighting,principle explanation,and algorithm structure.
文摘目的采用一测多评(QAMS)法同时测定法制半夏曲中肌苷、鸟苷、腺苷等11种成分含量,并建立其灰色关联度分析(GRA)联合熵权逼近理想解排序分析法(EW-TOPSIS)综合质量评价方法。方法采用Shimadzu C 18色谱柱;乙腈-0.5%醋酸为流动相,梯度洗脱,流速1.0 mL·min-1;检测波长254和290 nm。以对甲氧基肉桂酸乙酯为内参比物质,计算其他10个成分的相对校正因子(RCF),测定各成分含量。采用GRA联合EW-TOPSIS模型对法制半夏曲进行综合质量评价。结果法制半夏曲中11种成分在一定浓度范围内线性关系良好,相关系数均>0.999;平均加样回收率96.94%~100.12%(RSD<2.0%,n=9);QAMS与外标法(ESM)实测值无明显差异。GRA模型相对关联度0.2903~0.6187,EW-TOPSIS模型相对接近度0.2114~0.6343;GRA和EW-TOPSIS模型综合评价结果基本一致。结论QAMS法便捷、准确,可用于法制半夏曲多指标成分定量控制,GRA联合EW-TOPSIS模型可用于法制半夏曲综合质量评价。
