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ANALYTICAL METHOD FOR MAPPING FUNCTION TO FAILURE DURING HIGH-RISK COMPONENT DEVELOPMENT

机译:高风险组件开发过程中映射功能失效的解析方法

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摘要

Communicating failure mode information during design and manufacturing is a crucial task for failure prevention. Most processes use Failure Modes and Effects types of analyses, as well as prior knowledge and experience, to determine the potential modes of failures a product might encounter during its lifetime. When new products are being considered and designed, this knowledge and information is expanded upon to help designers extrapolate based on their similarity with existing products and the potential design tradeoffs. This paper makes use of similarities and tradeoffs that exist between different failure modes based on the functionality of each component/product. In this light, a function-failure method is developed to help the design of new products with solutions for functions that eliminate or reduce the potential of a failure mode. The method is applied to a simplified rotating machinery example in this paper, and is proposed as a means to account for helicopter failure modes during design and production, addressing stringent safety and performance requirements for NASA applications.
机译:在设计和制造过程中传达故障模式信息是预防故障的关键任务。大多数过程都使用故障模式和影响类型的分析以及先验知识和经验来确定产品在其生命周期中可能遇到的潜在故障模式。在考虑和设计新产品时,会扩展这些知识和信息,以帮助设计人员根据与现有产品的相似性和潜在的设计折衷进行推断。本文基于每个组件/产品的功能,利用不同故障模式之间存在的相似性和权衡。有鉴于此,开发了一种功能失效方法,以通过消除或减少潜在失效模式功能的解决方案帮助设计新产品。该方法在本文中以简化的旋转机械示例为例,并被提议作为解决设计和生产过程中直升机故障模式的一种方法,可以满足NASA应用对安全性和性能的严格要求。

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