为保证在基于模型的系统工程(model-based systems engineering,MBSE)背景下民机研制的高效过程管理,分析了当前民机研制的过程特征与面临的挑战,在此基础上规划了基于模型的民用飞机研制整体框架与基于模型的过程全寿命周期管理(model-...为保证在基于模型的系统工程(model-based systems engineering,MBSE)背景下民机研制的高效过程管理,分析了当前民机研制的过程特征与面临的挑战,在此基础上规划了基于模型的民用飞机研制整体框架与基于模型的过程全寿命周期管理(model-based process lifecycle management,MBPLM)概念。基于过程模型及其语义结构和类的定义,提出了广泛适用于民机研制全过程的MBPLM方法,并设计相应的并行架构。最后,为提升可操作性,在典型系统民机舱内压力控制系统设计中演示了系统建模过程的管理时序、过程分析评估与异同构模型管理。所提方法可应用于以民用飞机为代表的复杂系统研制,能够在MBSE背景下实现模型开发与过程管理关联与协同,统筹管理研制全寿命周期过程。展开更多
Environmental impact evaluation system boundary of high-speed railway was defined based on the total life cycle theory,and the index system to evaluate the environmental impact of high-speed railway was established wi...Environmental impact evaluation system boundary of high-speed railway was defined based on the total life cycle theory,and the index system to evaluate the environmental impact of high-speed railway was established with the fuzzy analytic hierarchy method,and the matter-element evaluation model was established on the basis of the extension theory.By calculating its comprehensive interrelatedness,the evaluation rank of environment impacts of high-speed railway was determined.The numerical example shows that the model has vast prospect,which can not only expand the application areas of extension theory,but also change the traditional evaluation methods and provide new ideas and means for environmental impact evaluation of high-speed railway.展开更多
文摘为保证在基于模型的系统工程(model-based systems engineering,MBSE)背景下民机研制的高效过程管理,分析了当前民机研制的过程特征与面临的挑战,在此基础上规划了基于模型的民用飞机研制整体框架与基于模型的过程全寿命周期管理(model-based process lifecycle management,MBPLM)概念。基于过程模型及其语义结构和类的定义,提出了广泛适用于民机研制全过程的MBPLM方法,并设计相应的并行架构。最后,为提升可操作性,在典型系统民机舱内压力控制系统设计中演示了系统建模过程的管理时序、过程分析评估与异同构模型管理。所提方法可应用于以民用飞机为代表的复杂系统研制,能够在MBSE背景下实现模型开发与过程管理关联与协同,统筹管理研制全寿命周期过程。
基金Project(2011QNZT062)supported by the Fundamental Research Funds for Central Universities of China
文摘Environmental impact evaluation system boundary of high-speed railway was defined based on the total life cycle theory,and the index system to evaluate the environmental impact of high-speed railway was established with the fuzzy analytic hierarchy method,and the matter-element evaluation model was established on the basis of the extension theory.By calculating its comprehensive interrelatedness,the evaluation rank of environment impacts of high-speed railway was determined.The numerical example shows that the model has vast prospect,which can not only expand the application areas of extension theory,but also change the traditional evaluation methods and provide new ideas and means for environmental impact evaluation of high-speed railway.
