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An Integrated Aerospace Requirement Setting and Risk Analysis Tool for Life Cycle Cost Reduction and System Design Improvement

机译：综合航空航天需求设定和风险分析工具，实现生命周期成本降低和系统设计改进

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In the early conceptual stage of the service orientated model, decisions regarding the design of a new technical product are largely influenced by Service Requirements. Those decisions, therefore, have to merge both technical and business aspects to obtain desired product reliability and reduced Whole Life Cost (WLC). It is, therefore, critical at that phase to define the risk of potential noncompliance of Service Requirements in order to ensure the right design choices; as these decisions have a large impact on the overall product and service development. This paper presents outcome of research project to investigate different approaches used by companies to analyse Service Requirements to achieve reduced Life Cycle Cost (LCC). Analysis using Weibull distribution and Monte Carlo principle have been proposed here; based on the conducted literature review these are considered as the most widely used techniques in product reliability studies. Based on those techniques, a methodology and its software tool for risk evaluation of failure to deliver a new product against Service Requirements are presented in this paper. This is part of the on-going research project which, apart from analysing the gap between the current Service Requirements achievements and the design targets for a new aircraft engine, it also facilitates an optimisation of those requirements at the minimum risk of nonconformity.
机译：在服务定向模型的早期概念阶段，关于新技术产品设计的决策主要受到服务要求的影响。因此，这些决定必须合并技术和业务方面，以获得所需的产品可靠性和减少整个生命成本（WLC）。因此，在该阶段致力于定义服务要求潜在不合规的风险，以确保正确的设计选择;由于这些决策对整体产品和服务发展产生了很大影响。本文介绍了研究项目的结果，调查公司使用的不同方法来分析服务要求，以实现降低的生命周期成本（LCC）。这里提出了使用威布尔分布和蒙特卡罗原则的分析;基于进行的文献综述，这些被认为是产品可靠性研究中最广泛使用的技术。基于这些技术，本文提出了对未能提供抵御服务要求的未能提供新产品的风险评估的方法及其软件工具。这是持续研究项目的一部分，除了分析当前服务需求成果与新飞机发动机的设计目标之间的差距之外，它还有助于在不合格的最小风险下优化这些要求。

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