基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑...基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑因素中,首先利用DEMATEL模型分析各评价指标间的因果关系和影响程度,并将所有指标划分为3层;再通过ISM法则构建多级有向拓扑图,进一步评估了各指标之间的关系,并得到3级评价体系。研究结果表明:与已有研究相比,本文方法可揭示各影响因素之间的内在联系与结构关系;对于装备保障中心选址问题,需要对其直接因素、中间因素和深层因素进行综合考虑,其中,气象条件、交通运输条件、信息化水平、隐蔽及伪装条件、受敌威胁程度等是所有指标中的关键因素,应予以重点关注。展开更多
In order to select suitable sites for farmland consolidation projects,correlation analysis and evolutionary algorithms were used to optimize the evaluation of ecological,social and economic factors,avoiding subjective...In order to select suitable sites for farmland consolidation projects,correlation analysis and evolutionary algorithms were used to optimize the evaluation of ecological,social and economic factors,avoiding subjective selection and ignorance of spatial relationships among land attributes.Multi-objective Genetic Algorithms(MOGA)were applied to select the best sites from the perspective of spatial relationship and land attribute evaluation.With carefully defined restrictions and variables,multi-objective optimization is able to select several suitable sites for farmland consolidation projects.The results from a case study in Yangshan,Guangdong of China showed that the selected sites were on the central and southern Yangshan with expected flat terrain and abundant water resources.An empirical experiment also demonstrated that the proposed method is able to provide well selected sites for land consolidation projects.展开更多
文摘基于决策实验室分析法(Decision Making Trial and Evaluation Laboratory,DEMA-TEL)和解释结构模型(Interpretative Structural Modeling Method,ISM)构建了装备保障中心选址问题评价指标体系。在确定的14种装备保障中心选址问题考虑因素中,首先利用DEMATEL模型分析各评价指标间的因果关系和影响程度,并将所有指标划分为3层;再通过ISM法则构建多级有向拓扑图,进一步评估了各指标之间的关系,并得到3级评价体系。研究结果表明:与已有研究相比,本文方法可揭示各影响因素之间的内在联系与结构关系;对于装备保障中心选址问题,需要对其直接因素、中间因素和深层因素进行综合考虑,其中,气象条件、交通运输条件、信息化水平、隐蔽及伪装条件、受敌威胁程度等是所有指标中的关键因素,应予以重点关注。
基金The study is supported by the National Natural Science Foundation of China(No.41001310)and the Natural Science Foundation of China-Guangdong Joint Fund(U1301253)The authors greatly appreciate Bureau of Land and Resource Yangshan for providing valuable land consolidation data.
文摘In order to select suitable sites for farmland consolidation projects,correlation analysis and evolutionary algorithms were used to optimize the evaluation of ecological,social and economic factors,avoiding subjective selection and ignorance of spatial relationships among land attributes.Multi-objective Genetic Algorithms(MOGA)were applied to select the best sites from the perspective of spatial relationship and land attribute evaluation.With carefully defined restrictions and variables,multi-objective optimization is able to select several suitable sites for farmland consolidation projects.The results from a case study in Yangshan,Guangdong of China showed that the selected sites were on the central and southern Yangshan with expected flat terrain and abundant water resources.An empirical experiment also demonstrated that the proposed method is able to provide well selected sites for land consolidation projects.