摘要
试验测试验证(ETV)是了解产品级、系统级、复杂巨系统级物理对象的基本属性和性能特征的一般性方法,ETV结果能为物理对象的论证规划、研发设计、生产制造、运维服役等全生命周期各阶段的相关决策提供重要参考,对于物理对象的迭代优化和性能管控具有重要意义.结合不同阶段产品和系统的典型特征与ETV需求,从实施手段、可实现种类和发展增速等角度,总结分析给出了 ETV的五个发展阶段,包括物理ETV、物理数字ETV、数字物理ETV、数实融合ETV、数字ETV(D-ETV).从"结果准、速度快、内容全、成本低、风险小"五大核心需求出发,分析了 D-ETV未来发展面临的挑战.探讨了数字ETV的概念内涵,提出了 D-ETV"指南针"体系架构、成熟度模型、通用流程"D"模型、技术体系和应用系统架构,并阐述了 D-ETV的理想能力.基于所提D-ETV理论体系,面向重大装备和复杂系统试验测试验证需求,对数字试飞、数字风洞试验、发动机数字测试、数字战场决策验证、高档数控机床数字验证、卫星制造数字验证、数字空间站性能测试、可回收火箭数字验证、核电站安全数字测试、水下装备性能数字验证十个领域应用进行探索.期望相关工作对发展D-ETV理论与技术,更好地满足物理对象和系统在全生命周期各阶段的ETV需求提供启发和参考.
Abstract
Experiment,testing and verification(ETV)is a general method to understand the fundamental properties and performance of physical objects.ETV results are capable of providing significant reference for decision-making in various stages of the physical objects'lifecycle.The five phases for the development of ETV is summarized firstly according to the characteristics of typical products and systems,including physical ETV,physical-digital ETV,digital-physical ETV,digital-physical fusion ETV,and digital ETV(D-ETV).Then,the challenges for future development of D-ETV are analyzed,based on the requirements of D-ETV such as accuracy,efficiency,full-coverage,low costs and security.The concept of D-ETV is further explored,the architecture,maturity model,common application process,technology architecture and application system framework of D-ETV are also proposed.Finally,the ten application prospects are introduced according to the proposed architecture and technologies,including digital flight testing,digital wind tunnel experiment,aircraft engine digital testing,digital battlefield decision verification,high-end CNC machine tool digital verification,satellite manufacturing digital verification,digital space station performance testing,recyclable rocket digital verification,nuclear power plant safety digital testing,underwater equipment performance digital verification.The work of this study is expected to provide inspiration and reference for the development of D-ETV,and better meet the requirements on ETV of physical objects during the whole lifecycle.
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