针对在统计过程控制(Statistical Process Control,SPC)中人力资源分配的问题,研究了采用均值-极差(-R)控制图监控过程时,人力资源分配对-R控制图经济设计的影响。首先,构建带有人力资源分配的X-R控制图经济费用函数模型;其次,采用...针对在统计过程控制(Statistical Process Control,SPC)中人力资源分配的问题,研究了采用均值-极差(-R)控制图监控过程时,人力资源分配对-R控制图经济设计的影响。首先,构建带有人力资源分配的X-R控制图经济费用函数模型;其次,采用模式搜索算法对模型进行寻优,获得控制图设计参数的综合最优解、最小费用以及最优的人力资源分配;最后,进行了算例说明和参数的灵敏度分析,结果表明在-R控制图的监控活动中,合理的人力资源分配可以明显的减小过程处于失控状态的时间以及监控过程的费用。展开更多
This research aims at developing a new fuzzy activity finish time estimation model for project scheduling management.With the application of the fuzzy quality function deployment (FQFD) and fuzzy analytic hierarchy pr...This research aims at developing a new fuzzy activity finish time estimation model for project scheduling management.With the application of the fuzzy quality function deployment (FQFD) and fuzzy analytic hierarchy process (FAHP) methods,the degree of fuzziness for every project activity is calculated in accordance with considerations of project uncertainties.These uncertainties are measured by the risk level of such project-related characteristics as time limit,activity start time,budget,manpower,technological difficulty,and facility requirements.In this paper,rather than applying the de-fuzzification technique to obtain the crisp activity duration for project scheduling,the fuzzy finish time estimation method for every activity is proposed based on the degree of fuzziness.The corresponding fuzzy activity duration time plot is also developed in a new fuzzy Gantt chart.The proposed model can provide a reasonable fuzzy finish time estimation for every activity,while most scheduling methods only provide the finish time of the entire project.Compared to existing models,this time estimation model and its corresponding Gantt chart are predicted to have higher reliability and practical application in project management and scheduling.展开更多
文摘针对在统计过程控制(Statistical Process Control,SPC)中人力资源分配的问题,研究了采用均值-极差(-R)控制图监控过程时,人力资源分配对-R控制图经济设计的影响。首先,构建带有人力资源分配的X-R控制图经济费用函数模型;其次,采用模式搜索算法对模型进行寻优,获得控制图设计参数的综合最优解、最小费用以及最优的人力资源分配;最后,进行了算例说明和参数的灵敏度分析,结果表明在-R控制图的监控活动中,合理的人力资源分配可以明显的减小过程处于失控状态的时间以及监控过程的费用。
文摘This research aims at developing a new fuzzy activity finish time estimation model for project scheduling management.With the application of the fuzzy quality function deployment (FQFD) and fuzzy analytic hierarchy process (FAHP) methods,the degree of fuzziness for every project activity is calculated in accordance with considerations of project uncertainties.These uncertainties are measured by the risk level of such project-related characteristics as time limit,activity start time,budget,manpower,technological difficulty,and facility requirements.In this paper,rather than applying the de-fuzzification technique to obtain the crisp activity duration for project scheduling,the fuzzy finish time estimation method for every activity is proposed based on the degree of fuzziness.The corresponding fuzzy activity duration time plot is also developed in a new fuzzy Gantt chart.The proposed model can provide a reasonable fuzzy finish time estimation for every activity,while most scheduling methods only provide the finish time of the entire project.Compared to existing models,this time estimation model and its corresponding Gantt chart are predicted to have higher reliability and practical application in project management and scheduling.
