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IEEE Transactions on Reliability

Issue 2 • Date Jun 1988

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Displaying Results 1 - 18 of 18
  • How to improve the effectiveness of hazard and operability analysis

    Publication Year: 1988, Page(s):167 - 170
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    The key elements that make the hazards and operability (HAZOP) technique effective for identifying chemical process hazards are outlined. Six categories of problems that can sometimes reduce the effectiveness of HAZOP and even prevent it from discovering some major hazards are explained. Several examples are included to show how lack of experience, failure to communicate, management shortcomings, ... View full abstract»

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  • Data bank for probabilistic risk-assessment of nuclear-fuel reprocessing plants

    Publication Year: 1988, Page(s):138 - 143
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    The Savannah river laboratory maintains a compilation of operating problems and equipment failures that have occurred in the fuel reprocessing areas of the Savannah river plant. The data bank contains more than 175000 entries, ranging from minor equipment malfunctions to incidents with potential for injury or contamination of personnel, or for economic loss. The data bank has been used extensively... View full abstract»

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  • Application of a hazard and operability study to hazard evaluation of an absorption heat pump

    Publication Year: 1988, Page(s):159 - 166
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    A hazard evaluation for a double-effect, absorption heat pump is presented. The primary technique for the hazard evaluation was a hazard and operability (HAZOP) study; this is a brainstorming approach conducted by a multidisciplinary team. The approach stimulates creativity of the team members to generate ideas. The team consisted of a HAZOP leader, the heat-pump project manager, a thermohydrologi... View full abstract»

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  • An overview of collection, analysis, and application of reliability data in the process industries

    Publication Year: 1988, Page(s):132 - 137
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    Issues relevant to the collection, analysis, and application of reliability data are discussed. In terms of analysis, attention is given to: current common practice and its limitations; the need for feedback-to-data collection process; lack of high-quality software for reliability analysis; contribution of exploratory analysis techniques; problems of small data sets and of over interpretations: an... View full abstract»

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  • A Bayes empirical-Bayes model for software reliability

    Publication Year: 1988, Page(s):248 - 254
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (504 KB)

    The authors present a model for the behavior of software failures. Their model fits into the general framework of empirical Bayes problems; however, they take a proper Bayes approach for inference by viewing the situation as a Bayes empirical-Bayes problem. An approximation due to D.V. Lindley (1980) plays a central role in the analysis. They show that the Littlewood-Verall model (1973) is an empi... View full abstract»

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  • Efficiencies of MLE and BLUE for parameters of an accelerated life-test model

    Publication Year: 1988, Page(s):230 - 233
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB)

    Maximum-likelihood estimates (MLE) and best-linear-unbiased estimates (BLUE) of parameters of an accelerated life-test model were compared according to the mean-square error criterion in small and moderate sample size cases. A factorial experiment was used to investigate the effects of the: (1) number of levels of the acceleration variable, (2) percent censorship, and (3) sample size. Overall, the... View full abstract»

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  • Risk assessment of mixed-waste sites

    Publication Year: 1988, Page(s):178 - 191
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (936 KB)

    Techniques for assessing worker and public risks attributable to atmospherically-released contaminants from a mixed-waste site are presented. The techniques are used to assess, for several different remedial actions, the risk to workers and the public from nonradioactive chemicals atmospherically released from several waste sites. Other models and health risk procedures can be used to assess radio... View full abstract»

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  • Design-safety enhancement through the use of hazard and risk analysis

    Publication Year: 1988, Page(s):149 - 158
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (596 KB)

    The application of qualitative and quantitative hazards/risk analysis methods is discussed. Two examples of both qualitative and quantitative methods are discussed. The relative advantages of each, as well as relative manpower requirements for their application, are examined. The two qualitative analysis examples are: (1) hazards and operability (HAZOP) analysis, based on the conceptual design ana... View full abstract»

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  • A Bayes sensitivity analysis when using the beta distribution as a prior

    Publication Year: 1988, Page(s):239 - 247
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    Results that illustrate the determination of the parameters of a beta prior distribution when either the mean and one percentile or two percentiles are given are presented. Further results show how sensitive the parameters of the beta prior are to errors in the given values. The sensitivity of the probability distribution of the reliability of a system to errors in either the given mean and percen... View full abstract»

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  • Chemical-system reliability: a review

    Publication Year: 1988, Page(s):199 - 208
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (988 KB)

    Selected published literature on chemical-system reliability is reviewed. The literature is classified into several categories. These categories include: reliability prediction and analysis; reliability/maintenance/safety; risk analysis, control and assessment; fault diagnosis and propagation; failure analysis and prevention; failure data and analysis; reliability optimization; human reliability; ... View full abstract»

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  • Estimation in a random censoring model with incomplete information: exponential lifetime distribution

    Publication Year: 1988, Page(s):223 - 229
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    Analysis of methods and simulation results for estimating the exponential mean lifetime in a random-censoring model with incomplete information are presented. The instant of an item's failure is observed if it occurs before a randomly chosen inspection time and the failure is signaled. Otherwise, the experiment is terminated at the instant of inspection during which the true state of the item is d... View full abstract»

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  • On-line hazard aversion and fault diagnosis in chemical processes: the digraph+fault-tree method

    Publication Year: 1988, Page(s):171 - 177
    Cited by:  Papers (41)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    A method for online hazard aversion and fault diagnosis in chemical processes is developed. The method uses a directed graph model of process operation and control. Fault trees developed from the directed graphs are combined with real-time data to provide online diagnosis for hazard aversion and fault detection. Both hardwired control and manual control are modeled. A single control loop illustrat... View full abstract»

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  • Reliability analysis of pumps for uranium solutions

    Publication Year: 1988, Page(s):144 - 148
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    Air-operated diaphragm pumps transfer a solution of highly enriched uranyl nitrate in nitric acid between process steps and recirculate the solution for mixing and filtration. In evaluating the data from manufacturers and performing limited testing, certain limitations have been noted on the application of the air-operated dual-diaphragm pump. In particular, the potential detrimental effects due t... View full abstract»

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  • Robust estimators of the 2-parameter gamma distribution

    Publication Year: 1988, Page(s):234 - 238
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    The available estimators for parameters of the gamma distribution are moment estimators, maximum-likelihood estimators, and approximations to the maximum-likelihood estimators. These estimators are not suitable for small samples; however, they are still being used at the present time. The proposed robust estimators for scale and shape parameters are more suitable for small samples. They have RMS (... View full abstract»

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  • Evaluation of off-normal release frequencies for a PCB incinerator under design

    Publication Year: 1988, Page(s):192 - 198
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    The likelihood of off-normal atmospheric releases from a municipal incinerator burning a combination of municipal solid waste and PCB-contaminated landfill material is evaluated. Fault-tree analysis identifies potential system failures in the combustion and air-pollution control systems View full abstract»

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  • Reliability growth-Myth or mess

    Publication Year: 1988
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (100 KB)

    The author argues that reliability growth is not necessarily well defined in the literature. Therefore he suggests that in all papers on reliability growth the author should identify what kind of reliability growth process they have in mind and, if data are being analyzed, which factors are held constant or randomized to smooth out the effects View full abstract»

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  • A comparison of algorithms for terminal-pair reliability

    Publication Year: 1988, Page(s):210 - 215
    Cited by:  Papers (74)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    Four algorithms for the terminal-pair-reliability problem are compared. Nelson (1970), Lin (1976), Shooman (1968), and Dotson (1979) algorithms are used in this study. It is shown that the Dotson algorithm is the fastest among the terminal-pair reliability algorithms analyzed. The Dotson algorithm is suited not only for numerical reliability, but for obtaining symbolic expression for the terminal-... View full abstract»

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  • Performability evaluation of multicomponent fault-tolerant systems

    Publication Year: 1988, Page(s):216 - 222
    Cited by:  Papers (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    A combined performance and reliability (performability) measure for gracefully degradable fault-tolerant systems is introduced and a closed-form, analytic solution is provided for computing the performability of a class of unrepairable systems which can be modeled by general acyclic Markov processes. This allows the study of models which consider the degradation of more than one type of system com... View full abstract»

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Aims & Scope

IEEE Transactions on Reliability is concerned with the problems involved in attaining reliability, maintaining it through the life of the system or device, and measuring it.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
W. Eric Wong
University of Texas at Dallas
Advanced Res Ctr for Software Testing and Quality Assurance

ewong@utdallas.edu