首页> 外文会议>New beginnings: challenges for aerospace innovation >No Fault Found (NFF) occurrences and Intermittent Faults: improving Availability of aerospace platforms/systems by refining Maintenance Practices, Systems of Work and Testing Regimes to effectively identify their root causes
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No Fault Found (NFF) occurrences and Intermittent Faults: improving Availability of aerospace platforms/systems by refining Maintenance Practices, Systems of Work and Testing Regimes to effectively identify their root causes

机译:未发现故障(NFF)和间歇性故障:通过完善维护实践,工作系统和测试制度来有效地确定其根本原因,从而提高航空航天平台/系统的可用性

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The adoption of preventive and corrective maintenance strategies that both providernaircraft availability and assure safety, at minimum cost, is fundamental to aerospacernoperations in all sectors. To provide aircraft availability with even greater success, arnchange to traditional maintenance approaches is required: from assumptions-basedrnapproaches and speculative component replacements, to knowledge-based strategies.rnOne key area where knowledge-based approaches remain unexploited is the No FaultrnFound (NFF)a scenario, for which intermittency in electrical and electronic componentrncircuitry is a major cause.rnTackling the NFF issue head on is, perhaps, what many maintenance managers wouldrnlike to do, but it is more complex than simply trying to eliminate problems byrnspeculative component changes and/or manpower resources alone. If it was that simple,rnthe issue would have long been consigned to the history books, but it has been estimatedrnthat intermittency and NFFs account for a major proportion of fault occurrences inrnaerospace maintenance organisations.
机译:采取预防性和纠正性维护策略,以最低的成本提供航空器的可用性并确保安全,这是所有领域航空航天运营的基础。为了使飞机的可用性获得更大的成功,需要对传统的维护方法进行改变:从基于假设的方法和投机性部件的更换,到基于知识的策略。NoFaultrnFound(NFF)a是尚未利用基于知识的方法的一个关键领域。解决电气和电子部件电路间歇性问题的主要原因。直接解决NFF问题可能是许多维护经理想要做的事情,但是它比简单地尝试通过投机性部件更换和/或消除问题来解决更为复杂。仅人力资源。如果这么简单的话,这个问题早就寄托在历史书上了,但是据估计,间歇性和NFF占了航空航天维护组织故障发生的主要部分。

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