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Optimizing reliability, maintainability and cost for shipboard systems

机译：优化船载系统的可靠性，可维护性和成本

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At present, shipboard system reliability is maintained by periodically refurbishing systems at considerable cost per ship. This paper recognizes the need for periodically refurbishing shipboard systems to sustain high reliability, and recommends a Weibull-based analytical procedure for adjusting refurbish interval, and thereby optimizing shipboard system reliability, maintainability and cost, Cosby & Johnson[1]. The analytical techniques offered in this paper exploits the multi-distribution capability of the Weibull distribution, Johnson[2] to analyze actual shipboard system performance data and from these data, determine the actual reliability of the shipboard system, the maintenance cost to sustain that reliability, and the cost associated with the maintenance efforts. To improve existing procedures for on-board equipment maintenance and logistics support, the Navy developed its Maintenance and Materiel Management System (3-M System) during the 1960s, DiStefano[3]. Although the 3-M System provides a maintenance history on all ship system equipment; e.g., main propulsion, electrical generation and distribution and auxiliary machinery, the potential of this database for maintenance cost savings and spare parts allocation have not been exploited to its full potential. The Weibull-based technique that is being proposed for analyzing the 3-M System database is capable of establishing cost effective refurbish intervals, providing the number of shipboard system failures to be expected over refurbish intervals as well as the associated maintenance cost to affect repairs of failed shipboard systems that occur within refurbish intervals.
机译：目前，船上系统的可靠性通过定期翻新系统来维持，每艘船的成本很高。本文认识到需要定期翻新船上系统以维持高可靠性，并建议基于Weibull的分析程序来调整翻新间隔，从而优化船上系统的可靠性，可维护性和成本，Cosby＆Johnson [1]。本文提供的分析技术利用了威布尔分布的多种分布能力，Johnson [2]分析了舰船系统的实际性能数据，并从这些数据中确定了舰船系统的实际可靠性，维持该可靠性的维护成本。 ，以及与维护工作相关的成本。为了改善现有的机载设备维护和后勤支持程序，海军在1960年代开发了其维护和物资管理系统（3-M System）DiStefano [3]。尽管3-M系统提供了所有船舶系统设备的维护历史记录；例如，主推进，发电和配电以及辅助机械，该数据库在节省维护成本和备件分配方面的潜力尚未得到充分发挥。提议用于分析3-M系统数据库的基于Weibull的技术能够建立具有成本效益的翻新间隔，从而提供翻新间隔内预期的舰载系统故障数量以及影响维修的相关维护成本。在翻新间隔内发生的舰载系统故障。

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