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On some properties of a reliability growth planning model

机译：关于可靠性增长计划模型的某些属性

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DoD Directive-Type Memorandum (DTM) 11-003-Reliability Analysis, Planning, Tracking, and Reporting, March 21, 2011 [1], applies to all major DoD developmental acquisition programs. This DTM requires that reliability growth curves (RGC) for such programs be included in the Systems Engineering Plan (SEP) at Milestone A, and be updated in the Test and Evaluation Master Plan (TEMP) beginning at Milestone B. The RGC is to “reflect the reliability growth strategy and be employed to plan, illustrate, and report reliability growth.” Additionally, the Office of the Assistant Secretary of the Army for Acquisition, Logistics, and Technology (ASA(ALT)) issued a Memorandum dated June 26, 2011[2], addressing the subject “Improving the Reliability of U.S. Army Materiel Systems.” This document states that “Program Managers (PMs) of all Acquisition Category I (ACAT I) systems and for ACAT II systems where the sponsor has determined reliability to be an attribute of operational importance shall place reliability growth planning curves in the SEP, TEMP, and Engineering and Manufacturing (EMD) contracts and ensure that U.S. Army systems are resourced to accomplish this requirement.” The ASA(ALT) document stipulates that “Reliability growth planning is quantified and reflected through a reliability growth planning curve using the Planning Model based on Projection Methodology (PM2).” The document also states “Where warranted by unique system characteristics, the Army Test and Evaluation Command (ATEC), in consultation with the Project Manager (PM), may specify an alternative reliability growth planning method.”
机译：国防部指令类型备忘录（DTM）11-003-可靠性分析，计划，跟踪和报告，2011年3月21日[1]，适用于所有主要的国防部发展性采购计划。此DTM要求此类程序的可靠性增长曲​​线（RGC）包括在里程碑A的系统工程计划（SEP）中，并在里程碑B处的测试和评估总体计划（TEMP）中进行更新。反映可靠性增长策略，并用于计划，说明和报告可靠性增长。”此外，陆军购置，后勤和技术助理部长办公室（ASA（ALT））于2011年6月26日发布了一项备忘录[2]，主题为“提高美国陆军装备系统的可靠性”。本文档指出，“所有采购类别I（ACAT I）系统的计划经理（PM），对于发起人已将可靠性确定为具有运营重要性的属性的ACAT II系统，都应在SEP，TEMP，以及工程和制造（EMD）合同，并确保美国陆军系统有足够资源来满足这一要求。” ASA（ALT）文件规定“使用基于投影方法（PM2）的计划模型，通过可靠性增长计划曲线对可靠性增长计划进行量化和反映。”该文件还指出：“在具有独特系统特征的情况下，陆军测试与评估司令部（ATEC）与项目经理（PM）协商后，可以指定一种替代的可靠性增长计划方法。”

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