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Reliability, IEEE Transactions on

Issue 4 • Date Dec. 1997

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Displaying Results 1 - 13 of 13
  • Comment on: dynamic reliability analysis of coherent multistate systems

    Publication Year: 1997 , Page(s): 460 - 461
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (145 KB)  

    The authors comment on the paper by J. Xue and K. Yang (see ibid., vol.44, p.683-8, 1995) Some typographical errors and their correct versions are given. Two of the errors were pointed out by the original authors in their correspondence with the responsible editor. Some comments on the original paper are also given. View full abstract»

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  • 1997 Index

    Publication Year: 1997 , Page(s): 537 - 544
    Save to Project icon | Request Permissions | PDF file iconPDF (914 KB)  
    Freely Available from IEEE
  • Uniqueness of maximum likelihood estimators of the 2-parameter Weibull distribution

    Publication Year: 1997 , Page(s): 523 - 525
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (172 KB)  

    We present a simple statistic, calculated from either complete failure data or from right-censored data of type-I or -II. It is useful for understanding the behavior of the parameter maximum likelihood estimates (MLE) of a 2-parameter Weibull distribution. The statistic is based on the logarithms of the failure data and can be interpreted as a measure of variation in the data. This statistic provi... View full abstract»

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  • Semi-Markov models with an application to power-plant reliability analysis

    Publication Year: 1997 , Page(s): 526 - 532
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (504 KB)  

    Systems with, (1) a finite number of states, and (2) random holding times in each state, are often modeled using semi-Markov processes. For general holding-time distributions, closed formulas for transition probabilities and average availability are usually not available. Recursion procedures are derived to approximate these quantities for arbitrarily distributed holding-times; these recursion pro... View full abstract»

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  • Reliability-based optimal task-allocation in distributed-database management systems

    Publication Year: 1997 , Page(s): 452 - 459
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (572 KB)  

    A distributed database management system (DDBMS) manages a collection of data stored at various processing nodes of a computer network. Global queries are processed by DDBMS, and tasks (join operations in these queries) are assigned to various nodes in the network. Optimal allocation of these tasks are discussed, with reliability as the objective function and communication-cost as the constraint f... View full abstract»

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  • Optimal information-dispersal for increasing the reliability of a distributed service

    Publication Year: 1997 , Page(s): 462 - 472
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (760 KB)  

    This paper investigates the (m,n) information dispersal scheme (IDS) used to support fault-tolerant distributed servers in a distributed system. In an (m,n)-IDS, a file M is broken into n pieces such that any m pieces collected suffice for reconstructing M. The reliability of an (m,n)-IDS is primarily determined by 3 important factors: n=information dispersal degree (IDD), n/m=information expansio... View full abstract»

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  • Egocentric voting algorithms

    Publication Year: 1997 , Page(s): 494 - 502
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (752 KB)  

    An important problem in distributed systems is distributed agreement. One form of distributed agreement is approximate agreement (AA) in which non-faulty processes need to agree on values within a predefined tolerance. This paper partitions AA voting algorithms into 3 broad categories: anonymous, egophobic, and egocentric. Each category is further subdivided into families of algorithms. One such f... View full abstract»

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  • Coordinated warranty and burn-in strategies

    Publication Year: 1997 , Page(s): 512 - 518
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (516 KB)  

    In product reliability assurance, the warranty and burn-in (W&BI) strategies are usually selected separately, despite the fact that both depend on the early-life failure behavior of the product. This paper treats W&BI strategies together in order to examine the possible benefits of coordinated strategies for product performance management. As these strategies are meaningful only for decrea... View full abstract»

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  • Closed-form expressions for distribution of sum of exponential random variables

    Publication Year: 1997 , Page(s): 519 - 522
    Cited by:  Papers (50)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (256 KB)  

    In many systems which are composed of components with exponentially distributed lifetimes, the system failure time can be expressed as a sum of exponentially distributed random variables. A previous paper mentions that there seems to be no convenient closed-form expression for all cases of this problem. This is because in one case the expression involves high-order derivatives of products of multi... View full abstract»

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  • System-reliability confidence-intervals for complex-systems with estimated component-reliability

    Publication Year: 1997 , Page(s): 487 - 493
    Cited by:  Papers (31)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (572 KB)  

    A flexible procedure is described and demonstrated to determine approximate confidence intervals for system reliability when there is uncertainty regarding component reliability information. The approach is robust, and applies to many system-design configurations and component time-to-failure distributions, resulting in few restrictions for the use of these confidence intervals. The methods do not... View full abstract»

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  • Defect, Fault, Error,..., or Failure?

    Publication Year: 1997 , Page(s): 450 - 451
    Cited by:  Papers (3)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (176 KB)  

    First Page of the Article
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  • Redundancy optimization of static series-parallel reliability models under uncertainty

    Publication Year: 1997 , Page(s): 503 - 511
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (568 KB)  

    This paper extends the classical model of Ushakov on redundancy optimization of series-parallel static coherent reliability systems with uncertainty in system parameters. Their objective function represents the total capacity of a series-parallel static system, while the decision parameters are the nominal capacity and the availability of the elements. They obtain explicit expressions (both analyt... View full abstract»

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  • Exact and approximate improvement to the throughput of a stochastic network

    Publication Year: 1997 , Page(s): 473 - 486
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1148 KB)  

    This paper presents a model for throughput-improvement in stochastic networks. It synthesizes and extends the state-of-knowledge on determining the mean value, the lower bound (LB), and upper bound (UB) for the maximum-flow network-design problem. Through the use of an artificial-intelligence programming-language such as PROLOG, the LB was solved very efficiently the first time. The key lies in us... 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
Way Kuo
City University of Hong Kong