为解决再制造服务的选择问题,在现有制造服务通用评价指标的基础上,结合再制造服务的特点,提出了包括时间、价格、可靠度、柔性度、诚信度等5个QoS(Quality of service)参数的再制造服务选择模型。针对再制造服务过程中个别用户对服务...为解决再制造服务的选择问题,在现有制造服务通用评价指标的基础上,结合再制造服务的特点,提出了包括时间、价格、可靠度、柔性度、诚信度等5个QoS(Quality of service)参数的再制造服务选择模型。针对再制造服务过程中个别用户对服务提供商的评价不诚信问题,基于协同过滤思想提出了信息校正方法,利用变精度粗糙集理论(Rough set,RS)计算各指标权重,并与用户根据自身需求设定的权重相结合,对再制造服务综合性能进行量化排序。最后以某机床床身导轨再制造服务为例,验证了该模型能够为用户推选出满足客户要求的最佳服务,并有效降低了虚假评论对选择结果的影响。展开更多
为了解决再制造服务选择问题,以废旧机床再制造服务为研究对象,提出了一种基于多色集合理论的再制造BOSS(Bill of standard manufacturing sercice)结构树构建方法,该方法可以通过建立围道矩阵来表示再制造服务各层集合之间的映射关系,...为了解决再制造服务选择问题,以废旧机床再制造服务为研究对象,提出了一种基于多色集合理论的再制造BOSS(Bill of standard manufacturing sercice)结构树构建方法,该方法可以通过建立围道矩阵来表示再制造服务各层集合之间的映射关系,以此更好地描述再制造服务BOSS复杂的层次结构。其次,利用关联规则对再制造服务平台上封装的众多集成再制造服务进行关联计算,挖掘出原子再制造服务之间的相关性,提出了一种基于关联规则的再制造服务标准化方法,解决了当前因再制造服务描述混乱、制造服务信息不完整而造成的再制造服务管理困难和再制造服务与项目任务匹配不准确等问题。展开更多
Since the complex impeller structure and the difficult remanufacturing process may easily cause advance remanufacturing or excessive use,an optimized design method of impeller and service mapping model was presented f...Since the complex impeller structure and the difficult remanufacturing process may easily cause advance remanufacturing or excessive use,an optimized design method of impeller and service mapping model was presented for its proactive remanufacturing with setting up to explore the best remanufacturing time point in this work.Considering a certain model of long distance pipeline compressor impeller with the Basquin equation and the design method of impeller,the mathematical relationship between the changes of structure and life of the impeller was established.And the service mapping model between the structure and life was set up and simulated by ANSYS software.Thus,the service mapping model was applied to feedback the original design for proactive remanufacturing.In this work,the best proactive remanufacturing time point of impeller was analyzed with the service mapping model,and the structural parameter values could be optimized at this time point.Meanwhile,in the results of this simulation,it proves that the impeller under this optimization performance could satisfy the impeller operating demands.Therefore,comparing with the traditional optimization design method,the remanufacturing optimized design based on the service mapping model is feasible in proactive remanufacturing for sustainable development.展开更多
文摘为解决再制造服务的选择问题,在现有制造服务通用评价指标的基础上,结合再制造服务的特点,提出了包括时间、价格、可靠度、柔性度、诚信度等5个QoS(Quality of service)参数的再制造服务选择模型。针对再制造服务过程中个别用户对服务提供商的评价不诚信问题,基于协同过滤思想提出了信息校正方法,利用变精度粗糙集理论(Rough set,RS)计算各指标权重,并与用户根据自身需求设定的权重相结合,对再制造服务综合性能进行量化排序。最后以某机床床身导轨再制造服务为例,验证了该模型能够为用户推选出满足客户要求的最佳服务,并有效降低了虚假评论对选择结果的影响。
文摘为了解决再制造服务选择问题,以废旧机床再制造服务为研究对象,提出了一种基于多色集合理论的再制造BOSS(Bill of standard manufacturing sercice)结构树构建方法,该方法可以通过建立围道矩阵来表示再制造服务各层集合之间的映射关系,以此更好地描述再制造服务BOSS复杂的层次结构。其次,利用关联规则对再制造服务平台上封装的众多集成再制造服务进行关联计算,挖掘出原子再制造服务之间的相关性,提出了一种基于关联规则的再制造服务标准化方法,解决了当前因再制造服务描述混乱、制造服务信息不完整而造成的再制造服务管理困难和再制造服务与项目任务匹配不准确等问题。
基金Project(2011CB013406)supported by National Basic Research Program of ChinaProjects(51305119,51375133)supported by National Natural Science Foundation of China
文摘Since the complex impeller structure and the difficult remanufacturing process may easily cause advance remanufacturing or excessive use,an optimized design method of impeller and service mapping model was presented for its proactive remanufacturing with setting up to explore the best remanufacturing time point in this work.Considering a certain model of long distance pipeline compressor impeller with the Basquin equation and the design method of impeller,the mathematical relationship between the changes of structure and life of the impeller was established.And the service mapping model between the structure and life was set up and simulated by ANSYS software.Thus,the service mapping model was applied to feedback the original design for proactive remanufacturing.In this work,the best proactive remanufacturing time point of impeller was analyzed with the service mapping model,and the structural parameter values could be optimized at this time point.Meanwhile,in the results of this simulation,it proves that the impeller under this optimization performance could satisfy the impeller operating demands.Therefore,comparing with the traditional optimization design method,the remanufacturing optimized design based on the service mapping model is feasible in proactive remanufacturing for sustainable development.