Annual Reliability and Maintainability Symposium

13-16 Jan. 1997

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  • Annual Reliability and Maintainability Symposium

    Publication Year: 1997
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  • Author index

    Publication Year: 1997, Page(s): xviii
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  • The GIQLP-Product Integrity's Link to Acquisition Reform

    Publication Year: 1997, Page(s):26 - 28
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (374 KB)

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  • Markov model-based reliability and safety evaluation for aircraft maintenance-system optimization

    Publication Year: 1997, Page(s):29 - 36
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (795 KB)

    Redundant aircraft systems are intended for operation under established flight missions and maintenance programs. Systems may have latent failures and their reliability may vary, depending on previously made scheduled checks and repairs. System failure modes are a basis for assessing failure effect on flight safety, and are determined by the components' failure modes and their sequence of occurren... View full abstract»

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  • Panel: Commercial Off-the-shelf (cots) Integration & Support

    Publication Year: 1997, Page(s):181 - 183
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  • Cumulative Indexes

    Publication Year: 1997, Page(s):cx1 - cx13
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  • Cumulative Institution Index 1980 - 1997 Proceedings

    Publication Year: 1997, Page(s):cx14 - cx21
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  • Cumulative Key-word Index 1980- 1997 Proceedings

    Publication Year: 1997, Page(s):cx22 - cx43
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  • Previous tables of contents

    Publication Year: 1997, Page(s):cx44 - cx78
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  • DIFtree: a software package for the analysis of dynamic fault tree models

    Publication Year: 1997, Page(s):64 - 70
    Cited by:  Papers (41)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    Several advances in fault tree models have been developed as an aid in the analysis of computer systems. Such advances include the ability to model sequence dependencies, the application of fault trees to the analysis of hardware and software fault tolerant systems, the ability to include details of the recovery process in the fault tree solution, and the use of modularization and binary decision ... View full abstract»

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  • A modular approach for analyzing static and dynamic fault trees

    Publication Year: 1997, Page(s):57 - 63
    Cited by:  Papers (81)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    Three commonly used analytical techniques for reliability evaluation are fault trees, binary decision diagrams (BDD) and Markov chains. Each of these techniques have advantages and disadvantages and the choice depends on the system being modeled. Fault trees have been found to be the most popular choice in terms of building an analytical model of a system. It provides a compact representation of t... View full abstract»

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  • A risk-mitigating model for the development of reliable and maintainable large-scale commercial-off-the-shelf integrated software systems

    Publication Year: 1997, Page(s):361 - 367
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB)

    There has been a tremendous interest within the software industry in building reliable, cost-effective, large-scale and distributed software systems through the utilization of both generic and domain-specific commercial-off-the-shelf (COTS) software products. Compared to the traditional in-house software development, the COTS software integration approach promises faster delivery of software syste... View full abstract»

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  • Heuristic optimization of network design considering all-terminal reliability

    Publication Year: 1997, Page(s):194 - 199
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    This paper describes a heuristic optimization approach using genetic algorithms. The method solves general network design problems to optimality, or near-optimality, with respect to reliability. The optimization formulation in this paper relaxes the previous restrictions that appear in the literature. Network design is expanded to include links of differing reliability and to select from multiple ... View full abstract»

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  • Effective techniques of FMEA at each life-cycle stage

    Publication Year: 1997, Page(s):50 - 56
    Cited by:  Papers (11)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (560 KB)

    The failure mode and effects analysis (FMEA) is a widely used analytical tool, it is especially useful in the conduct of reliability, maintainability, and safety analyses. Such analyses are commonly used to identify failures of significant consequence and those affecting system performance. The author investigated about 100 FMEA applications. That investigation revealed that the FMEA technique is ... View full abstract»

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  • Generalization of Shewhart X¯-chart

    Publication Year: 1997, Page(s):314 - 319
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (540 KB)

    In univariate quality control, the X¯-Charts have been useful in determining whether the process mean is in control or not. It would be very useful to have a similar chart applied to the multivariate case. The existing methods do not provide all the information that a quality control practitioner would like to possess such as the indication of which variables are causing the process to be out... View full abstract»

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  • Real-time automated diagnosis for human-computer based monitoring and control systems

    Publication Year: 1997, Page(s):355 - 360
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1156 KB)

    Many real-time monitoring and control systems are designed to be computer-based but to still retain significant roles for humans in operating and supervising the performance of the overall system. Examples of this type of monitoring and control system may be found in control rooms for wind tunnels, mission control rooms for spacecraft, and control rooms for power plants and manufacturing plants. T... View full abstract»

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  • Variability analysis of electronic systems: classical and interval methods

    Publication Year: 1997, Page(s):188 - 193
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Variability analysis or error analysis is a technique by which one can determine, with good approximation, whether a system will work within the specification limits when the part parameters vary between their limits. Classical methods of variability analysis include: worst-cast, probabilistic transformation of variables, method of moments and Monte Carlo. This paper shows the use of interval arit... View full abstract»

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  • Selection of equipment to leverage commercial technology (SELECT)

    Publication Year: 1997, Page(s):84 - 90
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (652 KB)

    One of the primary effects of acquisition reform has been to inject uncertainty into the procurement process for both the US Department of Defense (DoD) and its contractors. Of particular concern is the quantification of reliability performance and risk assessment for commercial off-the-shelf (COTS) equipment that is targeted far use in environments more severe than that for which it was originall... View full abstract»

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  • Setting the requirements for the Royal Air Force's next generation aircraft

    Publication Year: 1997, Page(s):44 - 49
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (472 KB)

    Despite the fact that it is extremely early even in the definition of reliability and maintainability targets for the RAF's Future Offensive Aircraft (FOA), the support vision is looking for an aircraft which will have guaranteed periods of availability by staying serviceable, requires only a few maintenance personnel, needs little in the way of specialized support and aircraft ground equipment (A... View full abstract»

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  • Minimizing cost of redundant sensor-systems with non-monotone and monotone search algorithms

    Publication Year: 1997, Page(s):307 - 313
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (772 KB)

    This paper considers distributed multisensor applications, and finds redundant configurations that minimize system weight or cost while insuring system dependability. Given choices among different component types, fulfilling the system's operational requirements but having different dependability parameters and per item cost, two heuristics, one nonmonotone (tabu search) and one monotone (simulate... View full abstract»

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  • Asymptotic availability of systems modeled by cyclic non-homogeneous Markov chains [substation reliability]

    Publication Year: 1997, Page(s):293 - 297
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (708 KB)

    In this paper, a new approach is introduced in order to treat a particular type of Markov systems: nonhomogeneous Markov systems, that is Markov systems whose hazard rates are time-dependent. This dependence of the hazard rate function on time lead to an investigation of nonhomogeneous Markov chains, and particularly a model that undergoes cyclic behavior. In this model, the transition probabiliti... View full abstract»

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  • Reliability prediction: the turn-over point

    Publication Year: 1997, Page(s):254 - 262
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    The main objective of this paper is to present an approach for a practical, easy to implement reliability prediction procedure. The proposed procedure is based upon the combined use of a number of reliability data sources, calculation methods and deterministic models. The procedure includes “tailoring” of the models according to their defined criteria, and with emphasis on the use of d... View full abstract»

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  • Planning of maintenance or improvements for redundant systems

    Publication Year: 1997, Page(s):350 - 354
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    A valuable source of information for decisions on maintenance or improvements for redundant systems is the evaluation of importance on the basis of fault trees and cutsets, as used for the probabilistic risk assessment (PRA). This paper provides a short review of the technique, and outlines the main problem areas for its application. If properly applied, the technique leads to a more efficient use... View full abstract»

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  • Path probability evaluation with repeated rates

    Publication Year: 1997, Page(s):184 - 187
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    In this paper we present a method for handling big Markovian graphs for reliability studies. If the model is Markovian, it is theoretically possible to generate and quantify the state graph. However, it is often not feasible, because of the number of states. One possibility, in the case of a reliability study, is to generate paths leading from the initial state of the system to the failure state. ... View full abstract»

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  • An overview of concurrent engineering

    Publication Year: 1997, Page(s):1 - 6
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (668 KB)

    concurrent engineering (CE), or integrated product development, is a US Department of Defense (DoD) initiative for the defense industry; it has also been used very successfully by commercial industries. CE is applicable to any industry that develops its own products and wants to remain competitive in today's marketplace. The computer-aided acquisition and logistics support (CALS)/CE Industrial Ste... View full abstract»

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