To enhance the efficiency of system modeling and optimization in the conceptual design stage of satellite parameters,a system modeling and optimization method based on System Modeling Language and Co-evolutionary Algo...To enhance the efficiency of system modeling and optimization in the conceptual design stage of satellite parameters,a system modeling and optimization method based on System Modeling Language and Co-evolutionary Algorithm is proposed.At first,the objectives of satellite mission and optimization problems are clarified,and a design matrix of discipline structure is constructed to process the coupling relationship of design variables and constraints of the orbit,payload,power and quality disciplines.In order to solve the problem of increasing nonlinearity and coupling between these disciplines while using a standard collaborative optimization algorithm,an improved genetic algorithm is proposed and applied to system-level and discipline-level models.Finally,the CO model of satellite parameters is solved through the collaborative simulation of Cameo Systems Modeler(CSM)and MATLAB.The result obtained shows that the method proposed in this paper for the conceptual design phase of satellite parameters is efficient and feasible.It can shorten the project cycle effectively and additionally provide a reference for the optimal design of other complex projects.展开更多
为了便于不同领域研究人员之间的沟通交流,减少文本描述的歧义性,有必要采用建模的形式开展体系能力需求分析。本文根据基于模型的系统工程(model-based system engineering,MBSE)思想,采用系统建模语言(system modeling language,SysML...为了便于不同领域研究人员之间的沟通交流,减少文本描述的歧义性,有必要采用建模的形式开展体系能力需求分析。本文根据基于模型的系统工程(model-based system engineering,MBSE)思想,采用系统建模语言(system modeling language,SysML)以及多视图产品形式,描述了武器装备体系能力需求的建模分析方法,分别对作战概念、作战场景、任务分解、作战活动、需求分类、需求分析以及指标分析等7个方面进行了描述,并选取未来空战新概念“作战云”典型空战样式,构建了“海上防御型协同制空作战场景”,验证了该体系能力需求建模分析方法的可行性。展开更多
结合基于模型的系统工程(Model-Based Systems Enginearing,MBSE)模式在雷达系统上的推广应用情况,本文介绍系统建模语言(Systems Modeling Language,SysML)模型中需求、行为、架构、仿真等模型的用途,详述雷达系统模型重用库的规划和...结合基于模型的系统工程(Model-Based Systems Enginearing,MBSE)模式在雷达系统上的推广应用情况,本文介绍系统建模语言(Systems Modeling Language,SysML)模型中需求、行为、架构、仿真等模型的用途,详述雷达系统模型重用库的规划和建设情况,重点介绍模型通用框架的构建原则,提出雷达系统模型通用框架可从利益攸关者需求分析、系统需求与功能分析、系统逻辑架构设计、系统需求与架构仿真验证、系统物理架构设计等5个方面构建,以提高雷达系统的建模效率,增强数字模型的完整性、协同性和规范性,减少重复要素在不同模型中表达的差异性和可能出错的概率。展开更多
为了达到组织目标和任务使命,必须建立一系列彼此相互关联的、具有层次结构的活动和过程之间的关系。要实现对组织的有效管理,核心就在于通过计划建模和控制系统来协调这些关系。在介绍与分析SysML语言特点的基础上,建立了作战行动序列(...为了达到组织目标和任务使命,必须建立一系列彼此相互关联的、具有层次结构的活动和过程之间的关系。要实现对组织的有效管理,核心就在于通过计划建模和控制系统来协调这些关系。在介绍与分析SysML语言特点的基础上,建立了作战行动序列(COA,Course of Action)的形式化定义,提出了基于SysML的作战行动序列建模方法,并给出了应用实例。应用该建模方法,有利于提高作战行动计划的适应性和开放性。展开更多
基金supported by Open Fund of State Key Laboratory of Digital Manufacturing Equipment and Technology of China (Grant No.DMETKF2022015).
文摘To enhance the efficiency of system modeling and optimization in the conceptual design stage of satellite parameters,a system modeling and optimization method based on System Modeling Language and Co-evolutionary Algorithm is proposed.At first,the objectives of satellite mission and optimization problems are clarified,and a design matrix of discipline structure is constructed to process the coupling relationship of design variables and constraints of the orbit,payload,power and quality disciplines.In order to solve the problem of increasing nonlinearity and coupling between these disciplines while using a standard collaborative optimization algorithm,an improved genetic algorithm is proposed and applied to system-level and discipline-level models.Finally,the CO model of satellite parameters is solved through the collaborative simulation of Cameo Systems Modeler(CSM)and MATLAB.The result obtained shows that the method proposed in this paper for the conceptual design phase of satellite parameters is efficient and feasible.It can shorten the project cycle effectively and additionally provide a reference for the optimal design of other complex projects.
文摘为了便于不同领域研究人员之间的沟通交流,减少文本描述的歧义性,有必要采用建模的形式开展体系能力需求分析。本文根据基于模型的系统工程(model-based system engineering,MBSE)思想,采用系统建模语言(system modeling language,SysML)以及多视图产品形式,描述了武器装备体系能力需求的建模分析方法,分别对作战概念、作战场景、任务分解、作战活动、需求分类、需求分析以及指标分析等7个方面进行了描述,并选取未来空战新概念“作战云”典型空战样式,构建了“海上防御型协同制空作战场景”,验证了该体系能力需求建模分析方法的可行性。
文摘结合基于模型的系统工程(Model-Based Systems Enginearing,MBSE)模式在雷达系统上的推广应用情况,本文介绍系统建模语言(Systems Modeling Language,SysML)模型中需求、行为、架构、仿真等模型的用途,详述雷达系统模型重用库的规划和建设情况,重点介绍模型通用框架的构建原则,提出雷达系统模型通用框架可从利益攸关者需求分析、系统需求与功能分析、系统逻辑架构设计、系统需求与架构仿真验证、系统物理架构设计等5个方面构建,以提高雷达系统的建模效率,增强数字模型的完整性、协同性和规范性,减少重复要素在不同模型中表达的差异性和可能出错的概率。
文摘为了达到组织目标和任务使命,必须建立一系列彼此相互关联的、具有层次结构的活动和过程之间的关系。要实现对组织的有效管理,核心就在于通过计划建模和控制系统来协调这些关系。在介绍与分析SysML语言特点的基础上,建立了作战行动序列(COA,Course of Action)的形式化定义,提出了基于SysML的作战行动序列建模方法,并给出了应用实例。应用该建模方法,有利于提高作战行动计划的适应性和开放性。