نتایج جستجو برای: reliability index

تعداد نتایج: 531898  

2013
Bohdan Volochiy Bohdan Mandziy Leonid Ozirkovskyi

The developed software ASNA-2, which is an improved version of the software ASNA-1, is based on the technology of automated estimation of reliability indexes of fault-tolerant systems. This software is designed for automated evaluation of the reliability indexes of fault-tolerant hardware – software systems. This paper describes a software ASNA-2 with the peculiarities of procedures of reliabil...

Journal: :international journal of hospital research 0
faramarz pourasghar road traffic injury research center and department of medical informatics, school of management and medical informatics, tabriz university of medical sciences, tabriz, iran. amin daemi health management and economics research center, iran university of medical sciences, tehran, iran. jafar sadegh tabrizi health services management research center, school of health management and medical informatics, tabriz university of medical sciences, tabriz, iran. alireza ala department of emergency medicine, school of medicine, tabriz university of medical sciences, tabriz, iran.

background and objectives: mthe emergency severity index (esi) triage is commonly used in clinical settings to determine the patients’ emergency severity. however, the reliability of this index is not sufficiently explored. the present study examines the inter-rater reliability of esi by comparing triage ratings as performed by nurses and physicians. methods: this prospective cross-sectional st...

Journal: :journal of research in medical sciences 0
sukanya chongthawonsatid somchai dutsadeevettakul

background: this study was conducted to assess the validity and reliability of ankle?brachial index (abi) by oscillometric blood pressure (bp) measurement as compared with an automated abi as a gold standard. materials and methods: this study was conducted at golden jubilee medical center, thailand. all the data were collected from 303 patients at risk of peripheral arterial disease (pad) who w...

2006
Y. Aoues

The reliability-based design optimization (RBDO) aims to design structures which should be reliable and economical. The RBDO involves the evaluation of probabilistic constraints, which can be done in two different ways : the reliability index approach (RIA), which describes the probabilistic constraint in terms of reliability index, and the performance measure approach (PMA) where the probabili...

2009
PETER TINGLEY Chris Berg Matthew Fayers David Hernandez

Recently Fayers introduced a large family of combinatorial realizations of the fundamental crystal B(Λ0) for b sln, where the vertices are indexed by certain partitions. He showed that special cases of this construction agree with the Misra-Miwa realization and with Berg’s ladder crystal. Here we show that another special case is naturally isomorphic to a realization using Nakajima’s monomial c...

2003
Dan Zhu Timothy Pratt Robert P. Broadwater

Reliability is a key aspect of power system design and planning. In this research we present a reliability analysis algorithm for large scale, radially operated (with respect to substation), reconfigurable, electrical distribution systems. The algorithm takes into account equipment power handling constraints and converges in a matter of seconds on systems containing thousands of components. Lin...

1999
Jianwei Zhou G. Manimaran Arun K. Somani

In real-time systems, there exists a trade-off between schedulability and reliability. Most of the existing faulttolerant scheduling algorithms for real-time systems tend to favor schedulability over reliability. This may not be desirable when tasks have wide-varying utility values. This motivated the need for performance-oriented reliability measures, such as performance index, which inherentl...

Journal: :IEICE Transactions 2011
Masahiro Hayashi

Although unavailability and failure frequency are both important reliability measures for designing telecommunications networks, having two different reliability measures causes difficulties when their evaluation results contradict each other. To overcome these difficulties, I propose an approach to determining a single reliability measure to be used. I focus on market share, which is a very im...

Journal: :journal of artificial intelligence in electrical engineering 2015
mohamad taghi babajani baghmishezad hosein nasiraghdam

in this paper, reconfiguration problem of distribution network has been investigated toimprove reliability and reduce power loss by placement of renewable energy sources; i.e. solarcell and wind turbine. for this, four reliability indices are considered in objective function;which are as follows: system average interruption frequency index (saifi), system averageinterruption duration index (sai...

2010
Mary Romanos Anita Raspovic Byron Perrin

BACKGROUND The Ankle Brachial Index is a useful clinical test for establishing blood supply to the foot. However, there are limitations to this method when conducted on people with diabetes. As an alternative to the Ankle Brachial Index, measuring Toe Systolic Pressures and the Toe Brachial Index have been recommended to assess the arterial blood supply to the foot. This study aimed to determin...

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