当城市发生重大事故灾害与突发事件时,有效地对人群进行疏散,使之撤离到相对安全的避难场所,是应急救援行动的核心技术问题,是解决城市公共安全问题必须首先面对的重大课题。充分考虑选址问题中的"公平"和"效率"原...当城市发生重大事故灾害与突发事件时,有效地对人群进行疏散,使之撤离到相对安全的避难场所,是应急救援行动的核心技术问题,是解决城市公共安全问题必须首先面对的重大课题。充分考虑选址问题中的"公平"和"效率"原则,提出了城市避难场所选址的多目标规划模型,并利用建模优化软件LINGO(Linear Interactive and GeneralOptimizer)进行了求解,从而得出避难场所的最佳选址位置。最后,以天津市地震避难场所的选址为例,说明了多目标规划在城市避难场所选址中的应用过程。结果表明,这种方法可以满足选址规划需求,具有一定的现实意义。展开更多
Totalemission controlis an effective pollution controlstrategy.However, Chinese application oftotal emission controllacks reasonable and fair methodsfor optimaltreatment cost allocation,a criticalissue in total emis...Totalemission controlis an effective pollution controlstrategy.However, Chinese application oftotal emission controllacks reasonable and fair methodsfor optimaltreatment cost allocation,a criticalissue in total emission control.This paper considersfour approachesto allocate treatmentcosts.Thefirstapproachisto setup a multiple objective planning model and to solve the model using the shortest distance ideal point method. The second approachisto define degree ofsatisfaction for cost allocation resultsfor each polluter and to establish a method based onthisconcept.Thethirdisto apply bargaining and arbitrationtheoryto develop a model.Thefourth isto establish a cooperative N person game model which can be solved usingthe Shapley value method,the core method,the Cost Gap Allocation method orthe Minimum Costs Remaining Savings method.These approaches are compared using a practicable case study.展开更多
文摘当城市发生重大事故灾害与突发事件时,有效地对人群进行疏散,使之撤离到相对安全的避难场所,是应急救援行动的核心技术问题,是解决城市公共安全问题必须首先面对的重大课题。充分考虑选址问题中的"公平"和"效率"原则,提出了城市避难场所选址的多目标规划模型,并利用建模优化软件LINGO(Linear Interactive and GeneralOptimizer)进行了求解,从而得出避难场所的最佳选址位置。最后,以天津市地震避难场所的选址为例,说明了多目标规划在城市避难场所选址中的应用过程。结果表明,这种方法可以满足选址规划需求,具有一定的现实意义。
文摘Totalemission controlis an effective pollution controlstrategy.However, Chinese application oftotal emission controllacks reasonable and fair methodsfor optimaltreatment cost allocation,a criticalissue in total emission control.This paper considersfour approachesto allocate treatmentcosts.Thefirstapproachisto setup a multiple objective planning model and to solve the model using the shortest distance ideal point method. The second approachisto define degree ofsatisfaction for cost allocation resultsfor each polluter and to establish a method based onthisconcept.Thethirdisto apply bargaining and arbitrationtheoryto develop a model.Thefourth isto establish a cooperative N person game model which can be solved usingthe Shapley value method,the core method,the Cost Gap Allocation method orthe Minimum Costs Remaining Savings method.These approaches are compared using a practicable case study.