Obsolescence Driven Design Refresh Planning for Sustainment-Dominated Systems
Obsolescence Driven Design Refresh Planning for Sustainment-Dominated Systems
复制标题
针对维持主导系统的过时驱动设计更新规划
DOI：
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
P. Sandborn
中科院分区：
文献类型：
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作者：
Pameet Singh;P. Sandborn
许多技术的生命周期都比其所属产品的生命周期短。技术过时（特别是电子部件的过时）导致的生命周期不匹配会导致长现场寿命系统（例如航空电子设备和军事系统）的维护成本高昂。本文提出了一种方法，用于根据预测的技术过时以及从终身购买到零件替换的过时缓解方法的组合，对以维持为主的电子系统执行最佳设计更新规划。该方法通过确定系统的设计更新计划（即何时设计更新）和每个计划的设计更新的设计更新内容的最佳组合来最小化生命周期成本。该分析方法可用于为过时管理的设计更新方法生成特定于应用的经济理由。
Many technologies have life cycles that are shorter than the life cycle of the product they are in. Life cycle mismatches caused by the obsolescence of technology (and particularly the obsolescence of electronic parts) results in high sustainment costs for long field life systems, e.g., avionics and military systems. This article presents a methodology for performing optimum design refresh planning for sustainment-dominated electronic systems based on forecasted technology obsolescence and a mix of obsolescence mitigation approaches ranging from lifetime buys to part substitution. The methodology minimizes the life cycle cost by determining the optimum combination of design refresh schedule for the system (i.e., when to design refresh) and the design refresh content for each of the scheduled design refreshes. The analysis methodology can be used to generate application-specific economic justifications for design refresh approaches to obsolescence management.