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首页> 外文会议>IEEE International Symposium on Systems Engineering >Improvement of airworthiness certification audits of software-centric avionics systems using a cross-discipline application lifecycle management system methodology
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Improvement of airworthiness certification audits of software-centric avionics systems using a cross-discipline application lifecycle management system methodology

机译：使用跨学科的应用程序生命周期管理系统方法，改进以软件为中心的航空电子系统的适航性认证审核

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摘要

The use of an Application Lifecycle Management (ALM) system to promote cross-discipline data capture, tracking and traceability has shown to provide a dramatic improvement during airworthiness audits of software-centric avionics systems by reducing both the time to locate relevant information and rework associated with errors in captured data and their traceability. When configured correctly, an ALM system enables the capture of all data associated with the development of a software-centric avionics system from customer specifications through system-level requirements and design data to the lowest level of data including software source code and system and software test results. The comprehensive nature of the data capture and the integrated traceability facilitates quick and efficient retrieval of pertinent data when performing airworthiness audits and is significantly superior to more manual methods and methods that rely upon disparate tools and data sources. This paper will describe a data model that allows for the capture and tracing of cross-discipline data in an ALM system and will present data to exhibit improvements over the use of legacy systems and methods. Analysis at UTC Aerospace Systems has shown that a significant reduction in preparation and audit time, which includes activities such as creating a document and records catalog, completing a pre-audit review and summarizing traceability architectures before an audit; and locating documents and records, assessing traceability across disciplines, itemizing open problem reports and determining the current status of development and verification activities during an audit. A summary of these improvements is shown in Table 1. Organization of the data in the ALM system is a critical factor in achieving reduced search times and preventing rework associated with traceability and lost or missing records. A data model diagram is established to allow for simpler organization of the life cycle data to support product development and verification, which is used by all disciplines including Systems Engineering, Software Engineering, Systems Test Engineering, Software Test Engineering, and associated disciplines including Configuration Management, Project Management and Quality Assurance.
机译：使用应用程序生命周期管理（ALM）系统来促进跨学科数据捕获，跟踪和可追溯性已显示出，通过减少查找相关信息和相关返工的时间，在以软件为中心的航空电子系统的适航性审核期间提供了显着改善。捕获的数据中存在错误及其可追溯性。如果配置正确，则ALM系统可以捕获与以软件为中心的航空电子系统的开发相关的所有数据，从客户规范到系统级需求和设计数据，再到最低级别的数据，包括软件源代码，系统和软件测试结果。数据捕获的综合性质和集成的可追溯性有助于在进行适航性审核时快速有效地检索相关数据，并且显着优于更手动的方法以及依赖不同工具和数据源的方法。本文将描述一个数据模型，该模型允许在ALM系统中捕获和跟踪跨学科数据，并将展示数据以展示对传统系统和方法的使用方面的改进。 UTC航空航天系统公司的分析表明，准备和审核时间显着减少，其中包括创建文档和记录目录，完成审核前审查以及在审核之前汇总可追溯性架构之类的活动;查找文档和记录，评估跨学科的可追溯性，列出未解决的问题报告以及确定审核过程中开发和验证活动的当前状态。表1显示了这些改进的摘要。ALM系统中的数据组织是缩短搜索时间并防止与可追溯性和记录丢失或丢失相关的返工的关键因素。建立了数据模型图，以简化生命周期数据的组织以支持产品开发和验证，包括系统工程，软件工程，系统测试工程，软件测试工程在内的所有学科以及包括配置管理在内的相关学科都使用该数据模型图，项目管理和质量保证。

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