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Reliability, IEEE Transactions on

Issue 2 • Date June 2009

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Displaying Results 1 - 25 of 27
  • Table of contents

    Publication Year: 2009 , Page(s): C1 - 209
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  • IEEE Transactions on Reliability publication information

    Publication Year: 2009 , Page(s): C2
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  • IEEE Reliability Society Technical Operations Annual Technology Report for 2008

    Publication Year: 2009 , Page(s): 210 - 261
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  • Introduction to the Special Section on Prognostics and Health Management

    Publication Year: 2009 , Page(s): 262 - 263
    Cited by:  Papers (3)
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  • Modeling of IC Socket Contact Resistance for Reliability and Health Monitoring Applications

    Publication Year: 2009 , Page(s): 264 - 270
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (370 KB) |  | HTML iconHTML  

    We present a methodology based on the physics of failure, and the sequential probability ratio test, for modeling and monitoring electrical interconnects in health monitoring, and electronic prognostic applications. The resistance behavior of an electrical contact was characterized as a function of temperature. The physics of failure of the contact technology were analysed. A contact resistance model was selected, and its parameters were fitted using the temperature characterization data. The physics of failure model was evaluated with a reliability application (temperature cycle test), and was found to produce estimation errors of < 1 mOmega of during a training period. The temperature and resistance of ten sample contacts were continuously monitored during the temperature cycle test, identifying the maximum temperature and resistances for each cycle. Using the physics of failure model, maximum resistance estimates were generated for each test sample. The residual between the monitored and estimated resistance values was evaluated with the sequential probability ratio test. The method was shown to overcome the issues of traditional threshold-based monitoring approaches, providing accurate resistance estimates, and allowing the detection of abnormal resistance behavior with low false alarm and missed alarm probabilities. View full abstract»

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  • Precursor Parameter Identification for Insulated Gate Bipolar Transistor (IGBT) Prognostics

    Publication Year: 2009 , Page(s): 271 - 276
    Cited by:  Papers (36)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1860 KB) |  | HTML iconHTML  

    Precursor parameters have been identified to enable development of a prognostic approach for insulated gate bipolar transistors (IGBT). The IGBT were subjected to thermal overstress tests using a transistor test board until device latch-up. The collector-emitter current, transistor case temperature, transient and steady state gate voltages, and transient and steady state collector-emitter voltages were monitored in-situ during the test. Pre- and post-aging characterization tests were performed on the IGBT. The aged parts were observed to have shifts in capacitance-voltage (C-V) measurements as a result of trapped charge in the gate oxide. The collector-emitter ON voltage VCE(ON) showed a reduction with aging. The reduction in the VCE(ON) was found to be correlated to die attach degradation, as observed by scanning acoustic microscopy (SAM) analysis. The collector-emitter voltage, and transistor turn-off time were observed to be precursor parameters to latch-up. The monitoring of these precursor parameters will enable the development of a prognostic methodology for IGBT failure. The prognostic methodology will involve trending precursor data, and using physics of failure models for prediction of the remaining useful life of these devices. View full abstract»

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  • A Generic Prognostic Methodology Using Damage Trajectory Models

    Publication Year: 2009 , Page(s): 277 - 285
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (358 KB) |  | HTML iconHTML  

    In modern industries, there is intense pressure to continuously reduce costly, unscheduled maintenance of complex systems. To obtain high availability with reduced life cycle total ownership costs, classical maintenance policies are not optimal. Indeed, these polices do not allow us to perform maintenance only when it is necessary because they are not able to forecast system damage states in the future. To predict precisely the future system damage state, it is necessary to take into account how and where the system will be used. To build incremental damage models, this paper presents a generic methodology and formalism based on the system decomposition in three levels: environment, mission, and process. Predictions are performed via a sequence of known mission parameters, and environmental conditions. This allows for mission and maintenance planning by taking into account the predicted system damages over time. View full abstract»

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  • Connected Vehicle Diagnostics and Prognostics, Concept, and Initial Practice

    Publication Year: 2009 , Page(s): 286 - 294
    Cited by:  Papers (11)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (430 KB) |  | HTML iconHTML  

    We propose a new concept of Connected Vehicle Diagnostics and Prognostics (CVDP) to address some of the challenges in vehicle system fault diagnostics and prognosis, such as the diagnostics of unexpected new faults, and infrequent or intermittent faults. As an initial practice, this concept has been implemented in the vehicle design validation process at GM. This paper presents the implementation details, and some case studies. View full abstract»

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  • A Novel, Fast, Reliable Data Transmission Algorithm for Wireless Machine Health Monitoring

    Publication Year: 2009 , Page(s): 295 - 304
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (411 KB) |  | HTML iconHTML  

    Vibration-based machine health monitoring is a well-known technique that is commonly used in machine fault diagnosis applications. In conjunction with existing wireless technologies, even machines that are operated in a hazardous or moveable environment can be monitored wirelessly. However, to facilitate a reliable machine health assessment, various sensory data, particularly the vibration signals, must be acquired at a high sampling rate, generating large packets of data. These requirements are impractical in a wireless data transmission context due to the usual low transmission rate, and lengthy transmission time. One possible solution is to compress the captured numerous sensory data before wireless transmission commences. This paper presents a novel data compression algorithm that combines Empirical Mode Decomposition (EMD) with Differential Pulse Code Modulation (DPCM). EMD is effective in decomposing and identifying any instantaneous changes in non-linear, and non-stationary signals that are caused by anomalous operation of machines. After the data have been decomposed and compressed by EMD, the DPCM is applied to further compress the data through the use of linear predictor and quantizer prior to wireless transmission. A pair of Bluetooth based wireless devices was tailor-made to host the EMD and DPCM for performing wireless communication. The effectiveness of the new algorithm has been verified using real machines, operating in a noisy environment. The results prove that the algorithm provides much faster wireless data transmission by significantly reducing the size of sensory data. Nevertheless, it maintains the integrity of sensory data with negligible reconstruction error at the receiving end of the wireless device. View full abstract»

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  • A Methodology for Determining the Return on Investment Associated With Prognostics and Health Management

    Publication Year: 2009 , Page(s): 305 - 316
    Cited by:  Papers (25)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (852 KB) |  | HTML iconHTML  

    Prognostics and Health Management (PHM) provides opportunities for lowering sustainment costs, improving maintenance decision-making, and providing product usage feedback into the product design and validation process. However, support for PHM is predicated on the articulation of clear business cases that quantify the expected cost and benefits of its implementation. The realization of PHM requires implementation at different levels of scale, and complexity. The maturity, robustness, and applicability of the underlying predictive algorithms impact the overall efficacy of PHM within an enterprise. The utility of PHM to inform decision-makers within tight scheduling constraints, and under different operational profiles likewise affects the cost avoidance that can be realized. This paper discusses the calculation of Return on Investment (ROI) for PHM activities, and presents a study conducted using a stochastic discrete event simulation model to determine the potential ROI offered by electronics PHM. The case study of a multifunctional display in a Boeing 737 compares the life cycle costs of a system employing unscheduled maintenance to the same system using a precursor to failure PHM approach. View full abstract»

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  • Using Extended R-Impact to Assess Journal Influence

    Publication Year: 2009 , Page(s): 317 - 323
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (369 KB) |  | HTML iconHTML  

    The objective of this study is to evaluate the importance or contributions of a journal to the development of disciplines. We introduce generalized impact factor, which involves the historical citation observed, and potential future citation of a journal. It can be used to assess the journal influence dynamically. Gamma distributions are used to fit the distribution of the citation frequency. Variations of impact factor are used to rank the relative influence of several journals in biology. View full abstract»

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  • Relative R-Impact Based on Normalization Method

    Publication Year: 2009 , Page(s): 324 - 327
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (137 KB) |  | HTML iconHTML  

    Reliability-Based impact (R-impact) factor, defined as the cited half-life multiplied by the citation impact factor, measures both the citation impact and long-lasting impact of published journals. Currently there are several different ways to calculate the citation rates, each with limitations to be improved. This paper provides a new analysis approach for the ranking and citation of published journals. Because cited half-life is the number of publication years from the current year that account for 50% of the current citations published by a journal in its article references, it can evaluate the age of the majority of cited articles. Through using the cited half-life as the sample time variable, we can seek the normalized value of citations and the citable items. This value can avoid the impacts from different journals or different fields. A more radical improvement is suggested in the impact factor, and relative impact factor, which can measure effectively not only the short-time performance of the journals but also the long-time performance. Based on this, relative R-impact (RRI) is proposed to improve R-impact effectively. View full abstract»

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  • Combined m -Consecutive- k -Out-of- n:{\rm F} & Consecutive k_{c} -Out-of- n:{\rm F} Systems

    Publication Year: 2009 , Page(s): 328 - 337
    Cited by:  Papers (8)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (275 KB) |  | HTML iconHTML  

    This paper proposes a new model, a combined m-consecutive-k-out-of-n : F & consecutive-kc-out-of-n : F system, consisting of n components ordered in a line such that the system fails iff there exist at least kc consecutive failed components, or at least m non-overlapping runs of k consecutive failed components, where kc < mk. The components are assumed to be i.i.d. An algorithm for system reliability evaluation, along with an illustrative numerical example, is provided based on the analysis of the system using graphical evaluation and review technique (GERT). The algorithm is also evaluated in terms of the order of computational time. This model has applications to various complex systems such as infrared (IR) detecting and signal processing, and bank automatic payment systems. View full abstract»

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  • All-Terminal Network Reliability Using Recursive Truncation Algorithm

    Publication Year: 2009 , Page(s): 338 - 347
    Cited by:  Papers (7)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (716 KB) |  | HTML iconHTML  

    Exact calculation of all-terminal network reliability is a hard problem; its computational complexity grows exponentially with the number of nodes and links in the network. We propose the Recursive Truncation Algorithm (RTA), a bounding approximation algorithm, to estimate the all-terminal reliability of a given network with a pre-specified accuracy. RTA scans all minimal cutsets of the graph representing the network, and finds the weak cutsets of the graph by comparing failure probabilities of cutsets to an adaptive threshold which depends on the approximation accuracy. We calculate the unreliability of the network versus the probabilities of occurrence of failure in the weak cutsets, and the probabilities of co-occurrence of failure in several weak cutsets, simultaneously. In addition to the all-terminal reliability, the RTA computes an upper, and a lower bound for the estimated reliability. We demonstrate that the estimated all-terminal reliability of a given network is within a pre-specified accuracy, and is more precise than those obtained by existing methods. View full abstract»

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  • Availability-Aware Design in Mesh Networks With Failure-Independent Path-Protecting p -Cycles

    Publication Year: 2009 , Page(s): 348 - 363
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1533 KB) |  | HTML iconHTML  

    Failure-independent path-protecting (FIPP) p-cycle is an extension of the span-protecting p-cycle, and an alternative approach for providing fully pre-connected protection paths with end-to-end failure-independent path protection (Kodian and Gorver, J. of Lightwave Technol., vol. 23, no. 10, pp. 3241-3259). We study the unavailability of end-to-end traffic in FIPP-based mesh networks, which are designed to protect against single failures, and present an availability-aware network design method. Our design method allocates FIPP p -cycles such that the end-to-end unavailability of the protected demands is bounded by an upper limit which we can control. Our study will also focus on determining whether FIPP p-cycles will maintain their resource efficiency advantages over span p -cycles when the network design is based on limiting the unavailability. Our results first show that the length of the FIPP p-cycle plays a vital role in determining the availability of the working path(s). Similar to span-protecting p-cycles, higher service working path(s) availability is obtained when the FIPP p-cycle(s) contains fewer hops. Results also indicate the important role of the number of demands protected by the same FIPP p-cycle. We notice that the higher the desired availability is, the less efficient the FIPP method becomes. This relationship is due to the fact that, to achieve higher service availability, the design will limit the number of demands sharing the same FIPP cycle. Accordingly, we affirm that, when the network design limits the service unavailability, FIPP tends to be less efficient, and its redundancy is 8-13% higher than span-protecting p-cycles. Additionally, we observe that, when we do not limit the unavailability, the average availability for span-protecting p-cycles tends to be more than the FIPP p -cycle method. We present our findings. View full abstract»

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  • Reliability Nonparametric Bayesian Estimation in Parallel Systems

    Publication Year: 2009 , Page(s): 364 - 373
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (297 KB) |  | HTML iconHTML  

    Relevant results for (sub-)distribution functions related to parallel systems are discussed. The reverse hazard rate is defined using the product integral. Consequently, the restriction of absolute continuity for the involved distributions can be relaxed. The only restriction is that the sets of discontinuity points of the parallel distributions have to be disjointed. Nonparametric Bayesian estimators of all survival (sub-)distribution functions are derived. Dual to the series systems that use minimum life times as observations, the parallel systems record the maximum life times. Dirichlet multivariate processes forming a class of prior distributions are considered for the nonparametric Bayesian estimation of the component distribution functions, and the system reliability. For illustration, two striking numerical examples are presented. View full abstract»

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  • A Squeeze Response Surface Methodology for Finding Symbolic Network Reliability Functions

    Publication Year: 2009 , Page(s): 374 - 382
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (280 KB) |  | HTML iconHTML  

    A new response surface methodology (RSM) called the squeeze response surface methodology (SRSM) is proposed to gain the approximate symbolic network reliability function (SNRF). The proposed SRSM can be used to solve not only complicated system configurations, but also help decision makers gain greater understanding for the structure of the system. The response value is the value of the Bonferroni bounds (using by-products of cellular automata (CA) Monte Carlo simulation (MCS), and min-cuts) minus the simulation value (obtained from CA-MCS). SRSM squeezes the range of response values to improve solution quality. Our results compare favorably with previously developed algorithms in the literature from the experiment of the benchmark example. View full abstract»

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  • On the Accelerated Scan Finite Markov Chain Imbedding Approach

    Publication Year: 2009 , Page(s): 383 - 388
    Cited by:  Papers (10)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (159 KB) |  | HTML iconHTML  

    As an excellent tool for reliability system research, the finite Markov chain imbedding (FMCI) approach can be used not only to evaluate the system reliability, but also to do other research in reliability systems such as generating functions, waiting time, and optimal arrangement problems. But the computation for system reliability based on the FMCI approach becomes difficult if the number of components in the system is comparatively large, because there would be more matrices that need to be multiplied. To overcome this drawback, the accelerated scan finite Markov chain imbedding (AS-FMCI) approaches with fixed step length, and alterable step, are introduced in this paper to decrease the complexity of computation for system reliability through decreasing the number of the matrixes that need to be multiplied. A numerical example is presented, and the results show that the new method can save computational time. View full abstract»

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  • A Geometric Process \delta -Shock Maintenance Model

    Publication Year: 2009 , Page(s): 389 - 396
    Cited by:  Papers (6)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (234 KB) |  | HTML iconHTML  

    A geometric process delta -shock maintenance model for a repairable system is introduced. If there exists no shock, the successive operating time of the system after repair will form a geometric process. Assume that the shocks will arrive according to a Poisson process. When the interarrival time of two successive shocks is smaller than a specified threshold, the system fails, and the latter shock is called a deadly shock. The successive threshold values are monotone geometric. The system will fail at the end of its operating time, or the arrival of a deadly shock, whichever occurs first. The consecutive repair time after failure will constitute a geometric process. A replacement policy N is adopted by which the system will be replaced by a new, identical one at the time following the N th failure. Then, for the deteriorating system, and the improving system, an optimal policy N* for minimizing the long-run average cost per unit time is determined analytically. View full abstract»

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  • An Extended Periodic Imperfect Preventive Maintenance Model With Age-Dependent Failure Type

    Publication Year: 2009 , Page(s): 397 - 405
    Cited by:  Papers (18)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (250 KB) |  | HTML iconHTML  

    This paper presents a generalized periodic imperfect preventive maintenance (PM) model for a system with age-dependent failure type. The imperfect PM model proposed in this study incorporates improvement factors vis-a-vis the hazard-rate function, and effective age. As failures occur, the system experiences one of the two types of failure: type-I failure (minor), and type-II failure (catastrophic). Type-I failures are rectified with minimal repair. In a PM period, the system is preventively maintained following the occurrence of a type-II failure, or at age T, whichever takes place first. At the N th PM, the system is replaced. An approach that generalizes the existing studies on the periodic PM policy is proposed. Taking age-dependent failure type into consideration, the objective consists of determining the optimal PM & replacement schedule that minimize the expected cost per unit of time, over an infinite horizon. View full abstract»

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  • Call for papers on reliability and risk assessment of complex systems

    Publication Year: 2009 , Page(s): 406
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  • IEEE Transactions on Reliability information for authors

    Publication Year: 2009 , Page(s): 407 - 408
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  • IEEE copyright form

    Publication Year: 2009 , Page(s): 409 - 410
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  • Have you visited lately? www.ieee.org [advertisement]

    Publication Year: 2009 , Page(s): 411
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  • Reliability Society to Offer Scholarships

    Publication Year: 2009 , Page(s): 412
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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