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Annual Reliability and Maintainability Symposium 1995 Proceedings

16-19 Jan. 1995

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  • Annual Reliability and Maintainability Symposium 1995 Proceedings

    Publication Year: 1995
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    Freely Available from IEEE
  • The P.K. McElroy Award for Best Paper

    Publication Year: 1995
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  • Author index

    Publication Year: 1995
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  • Cumulatlive Indexes

    Publication Year: 1995
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  • A modified bathtub curve with latent failures

    Publication Year: 1995, Page(s):217 - 222
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Burn-in and stress screening are becoming increasingly popular in the commercial electronics industry as customers become increasingly sensitive to failures occurring in the useful life of a product or system. For example, thermal stress screening (TSS) is an assembly-level electronics manufacturing process that evolved from the burn-in processes used in NASA and DoD programs. While burn-in subjec... View full abstract»

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  • Hazard-function implications of stochastic-deterioration and distributed-defect concentrations

    Publication Year: 1995, Page(s):213 - 216
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    Two candidate models of the relationship between the initial defect concentration in a population of integrated circuit (IC) devices and the associated life distribution are presented. One of the models is based specifically upon wafer geometry while the other portrays stochastic deterioration as the the accumulation of degradation reaction product. The two models are subjected to computer simulat... View full abstract»

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  • Reliability-based structural design

    Publication Year: 1995, Page(s):207 - 212
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB)

    This paper presents the use of state-of-the-art reliability techniques to develop efficient structural design guidelines for civil engineering structures in a manner that includes overall structural system effects. Probabilistic design is done by explicitly accounting for the uncertainties in the different variables and their influence on structural performance. This approach has been used to deve... View full abstract»

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  • A customer-oriented approach to optimizing reliability-allocation within a set of weapon-system requirements

    Publication Year: 1995, Page(s):96 - 101
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB)

    A systems engineering approach to weapon system requirements allocation demands that all system level performance requirements, including reliability, be flowed down and allocated to lower-level sub functions using a logical, structured methodology. Normally it is not in the customer's best interest to contractually specify MTBF design parameters developed from system requirements because such act... View full abstract»

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  • Verifying a new design using Bayes' theorem

    Publication Year: 1995, Page(s):200 - 206
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    This paper addresses how to verify the expected reliability of a missile system and its subsystems using Bayes' theorem. During the early development phase, a number of design engineering tests are performed to establish the operational characteristics and robustness of a new design. Actual test data is not used for reliability assessment purposes until the system is close to full-scale production... View full abstract»

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  • The Flame system: automating electrical failure mode and effects analysis (FMEA)

    Publication Year: 1995, Page(s):90 - 95
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1268 KB)

    It is well known that FMEA is both tedious and time consuming-so much so, that an FMEA analysis on the design of a system is often only completed after a first prototype has been constructed. This situation can lead to time, effort and money being wasted. Automating the FMEA process will improve the speed and consistency with which an FMEA analysis can be performed. The Flame system aims to provid... View full abstract»

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  • Design simulation tool to improve product reliability

    Publication Year: 1995, Page(s):193 - 199
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB)

    The design community has historically been challenged to design-in reliability and maintainability (R&M) during the front-end of the design process. This has been difficult due to the budget profiles on most programs: R&M activities have not traditionally been funded up-front, and the designers are usually just too busy trying to make their designs work to worry about R&M. This paper d... View full abstract»

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  • Combinatorial-models and coverage: a binary decision diagram (BDD) approach

    Publication Year: 1995, Page(s):82 - 89
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (756 KB)

    This paper presents the DREDD (Dependability and Risk Analysis using Decision Diagrams) algorithm which incorporates coverage modeling into a BDD solution of a combinatorial model. The DREDD algorithm takes advantage of the efficiency of the BDD solution approach and the increased accuracy afforded by coverage modeling. BDDs have been used to find exact solutions for extremely large systems, inclu... View full abstract»

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  • Software-quality improvement using reliability-growth models

    Publication Year: 1995, Page(s):182 - 187
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1000 KB)

    In the traditional software development model, the system test phase is the last stage where the reliability, capability, performance and other important dimensions of the quality of a system can be evaluated. During this stage, a point is eventually reached where a decision must be made to either continue or stop testing. This is a crucial task that requires an objective assessment of the benefit... View full abstract»

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  • The assurance of R&M in acquisition programs of the Royal Australian Air Force

    Publication Year: 1995, Page(s):118 - 124
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (748 KB)

    This paper addresses the techniques used to assure system reliability and maintainability (R&M) within the acquisition process of the Royal Australian Air Force (RAAF). The RAAF recognizes that R&M are principal determinants of the level of operational availability that will be achieved by weapon systems and key factors of life cycle cost. R&M are therefore important performance parame... View full abstract»

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  • A graphical model-based reliability estimation tool and failure mode and effects simulator

    Publication Year: 1995, Page(s):74 - 81
    Cited by:  Papers (4)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    A new graphical reliability estimation tool, Reliability Performance Module (RPM), is described. RPM combines the features of a powerful reliability tool, Reliability Estimation System Testbed (REST), developed at NASA Langley, with the convenient graphical modelling and simulation capabilities of an off-the-shelf commercial software package, Block Oriented Network Simulator (BONeS), from the Alta... View full abstract»

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  • AMSAA maturity projection model

    Publication Year: 1995, Page(s):174 - 181
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    The AMSAA parametric empirical Bayes (PEB) projection model allows the utilization of data generated over a test period [0,T] that may include several system configurations to obtain projections of future system reliability. In this paper, the authors present a PEB reliability projection method. In general, the term “projection” refers to a reliability assessment that uses a combinatio... View full abstract»

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  • A method to determine equivalent fault classes for permanent and transient faults

    Publication Year: 1995, Page(s):418 - 424
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (768 KB)

    The expanding size and complexity of dependable computing systems has significantly increased their cost while complicating the estimation of system dependability attributes such as fault coverage and latency. The increasing requirements of safety and reliability for a dependable system, however, have made the evaluation of dependability attributes a crucial task. One approach to performing such a... View full abstract»

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  • Rationalizing scheduled-maintenance requirements using reliability centered maintenance-a Canadian Air Force perspective

    Publication Year: 1995, Page(s):11 - 17
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (580 KB)

    Failure modes and effects analysis (FMEA) and reliability centered maintenance (RCM)/maintenance steering group (MSG) decision logic have been successfully used by military and commercial aviation manufacturers for over three decades to develop preventive maintenance programs for new aircraft fleets. However, once a fleet is in place, there is a requirement to periodically validate or rationalize ... View full abstract»

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  • Reliability program for neonatal intensive care equipment

    Publication Year: 1995, Page(s):457 - 459
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    The reliability of infant care products requites a comprehensive, detailed approach to product development and reliability assessment. This paper presents a reliability program for infant care products, and is designed to meet the rigorous demands of patient care, FDA and ISO 9001 quality systems View full abstract»

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  • New benchmark for unreplicated experimental-design analysis

    Publication Year: 1995, Page(s):242 - 245
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    The purpose of this paper is to present a summary of the most extensive benchmark conducted to assess the performance of nine numerical techniques applied to analyze unreplicated experimental designs. These designs have been previously shown to be relevant to reliability growth programs. The numerical techniques evolved out of the difficulty in using the classical analysis of variance methods when... View full abstract»

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  • The role of the R&M disciplines in the new NASA

    Publication Year: 1995, Page(s):112 - 117
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    With the increasing demand to accomplish scientific missions with fewer resources, NASA has been reexamining its technical approaches to its research and development activities. The Agency Strategic Plan, approved by the Administrator in the spring of 1994, states: “We will conduct our programs such that we are the recognized international leader in the safety, quality and mission assurance ... View full abstract»

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  • Estimation of the coverage probabilities by 3-stage sampling

    Publication Year: 1995, Page(s):132 - 136
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    Development of fault-tolerant computing systems requires accurate reliability assessment techniques. Usually, the reliability measures are functions of component failure rates and fault coverage probabilities. Coverage provides information about the fault and error detection, isolation and system recovery capabilities. This parameter can be estimated by physical or simulated fault injection. One o... View full abstract»

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  • Reliability of mobile phones

    Publication Year: 1995, Page(s):33 - 38
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    The paper addresses reliability aspects of mobile phones, also known as cellular phones. Mobile phones have been in use for about a decade. Early models were low in technology and usage was limited. However, the technology of phones has been improved significantly during the last few years. The market demand has been increasing in a similar manner over the last few years. It is anticipated to incr... View full abstract»

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  • Standardizing the FMECA format: a guideline for Air Force contractors

    Publication Year: 1995, Page(s):66 - 73
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    Each reliability requirement extracted from a military standard (MIL-STD-1543, MIL-STD-785, MIL-STD-1629, etc.) must now be justified before a program office can approve its inclusion in a statement of work (SOW). Justification can be based on the criticality of high reliability to achieving program objectives or the lack of substitute commercial standards. With or without standards, the purpose o... View full abstract»

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  • An approach to quantifying reliability-growth effectiveness

    Publication Year: 1995, Page(s):166 - 173
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (764 KB)

    This paper presents an approach for quantifying reliability growth effectiveness through the development of a performance parameter and the application of that parameter to an existing reliability growth model, the tracking, growth and prediction (TGP) model. The basis for this performance parameter is presented from two perspectives; based either on previous experience in other reliability growth... View full abstract»

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