飞机总装制造仿真系统可信性研究

发布时间：2018-04-02 14:15

本文选题：飞机总装制造仿真系统　切入点：建模仿真　出处：《南京理工大学》2017年硕士论文

【摘要】：随着我国航空制造业的不断发展、制造车间的数字化程度不断提高,基于虚拟现实的仿真建模技术在飞机数字化制造过程中的作用也越来越明显,而基于飞机制造过程中涉及到的建模仿真系统的评估技术研究还比较匮乏,为了确保建模仿真技术在飞机制造过程中的正确性和可用性,针对仿真系统的可信性评估研究非常重要。本文主要对飞机总装制造仿真系统进行可信性研究,可信性评估研究贯穿了飞机总装制造仿真系统建模仿真的全生命周期,对飞机总装制造仿真系统的建模仿真过程进行校核、验证与确认(Verification,Validation and Accreditation,VVA)是确保仿真系统设计阶段可信性的重要途径,针对仿真系统运行阶段的可信性评估则是基于复杂度理论进行的,具体研究如下。(1)提出飞机总装制造仿真系统可信性基本概念、可信性研究的总体方案设计和具体流程等,分析飞机总装制造仿真系统的建模仿真流程,飞机总装制造仿真系统可信性评估关键技术,包括基于VVA的飞机总装制造仿真系统设计可信性研究和基于复杂度理论的飞机总装制造仿真系统运行可信性研究。(2)针对飞机总装制造仿真系统设计可信性评估提出VVA总体架构和技术方案,VVA流程设计以及相应的VVA活动内容规划和VVA评估机制设计,并提出针对飞机总装制造仿真系统的VVA实施方案以及相应的设计可信性评估指标和设计可信性评估方法,最后对仿真系统进行设计可信性评估实例设计。(3)研究基于复杂度理论的飞机总装制造仿真系统运行可信性基本概念,并提出飞机总装制造仿真系统运行可信性指标,包括系统运行过程中的可靠性、实用性以及健壮性,并对这些指标进行评估方法研究。最后针对飞机总装制造仿真系统运行可信性进行实例评估。(4)基于飞机总装制造仿真系统建模仿真理论在DELMIA(V6)平台上构建飞机总装制造仿真系统,并基于设计可信性和运行可信性理论开发飞机总装制造仿真系统可信性评估工具,完成飞机总装制造仿真系统可信性理论验证。
[Abstract]:With the continuous development of aviation manufacturing industry in our country, the digitization degree of manufacturing workshop is increasing, and the function of simulation modeling technology based on virtual reality in the process of aircraft digital manufacturing is becoming more and more obvious.In order to ensure the correctness and availability of modeling and simulation technology in aircraft manufacturing process, the research on evaluation technology of modeling and simulation system involved in aircraft manufacturing process is still relatively scarce.It is very important to evaluate the credibility of simulation system.In this paper, the credibility of the aircraft assembly manufacturing simulation system is studied, the credibility evaluation research runs through the whole life cycle of the aircraft assembly manufacturing simulation system modeling and simulation, and the modeling and simulation process of the aircraft assembly manufacturing simulation system is checked.Verification and validation and Accreditation VVA) is an important way to ensure the credibility of the simulation system design phase, and the credibility evaluation of the simulation system running phase is based on the complexity theory.The main contents are as follows: 1) the basic concept of credibility of aircraft assembly manufacturing simulation system, the overall scheme design and concrete flow of credibility research, etc., are put forward, and the modeling and simulation flow of aircraft assembly manufacturing simulation system is analyzed.The key Technology of credibility Evaluation for aircraft Assembly Manufacturing Simulation system,It includes the research on the design credibility of aircraft assembly manufacturing simulation system based on VVA and the research on operational credibility of aircraft assembly manufacturing simulation system based on complexity theory.The overall architecture and technical scheme of VVA are presented, and the corresponding VVA activity content planning and VVA evaluation mechanism are designed.The implementation scheme of VVA for aircraft assembly manufacturing simulation system and the corresponding evaluation index of design credibility and the evaluation method of design credibility are put forward.Finally, the design credibility evaluation example of simulation system is designed. 3) the basic concept of operational credibility of aircraft assembly manufacturing simulation system based on complexity theory is studied, and the operational credibility index of aircraft assembly manufacturing simulation system is proposed.The reliability, practicability and robustness of the system are included, and the evaluation methods of these indexes are studied.Finally, an example evaluation of the operational credibility of the aircraft assembly manufacturing simulation system is carried out. (4) based on the modeling and simulation theory of the aircraft assembly manufacturing simulation system, the aircraft assembly manufacturing simulation system is constructed on the platform of DELMIA / V6).Based on the theory of design credibility and operational credibility, the credibility evaluation tool of aircraft assembly manufacturing simulation system is developed to verify the credibility theory of aircraft assembly manufacturing simulation system.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：V262.4;TP391.9

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