نتایج جستجو برای: mttf

تعداد نتایج: 210  

2013
Da Zhang Ioan Raicu

It is expected that our HEC system will enter exascale era in decade, which is one thousand times of performance as today’s system (petascale). In the mean time, many challenges also have been noticed and pointed out, as the size of HEC system increased without some dispensable improving on architecture of today’s HEC system, the systems could collapse at exascale, because the functionality wou...

2004
D M Kirby D M Turnbull D R Thorburn R W Taylor

C omplex I is the largest of the mitochondrial respiratory chain enzyme complexes, consisting of at least 46 subunits, seven of which are encoded by mtDNA. Deficiency of complex I is the most common respiratory chain defect, and can be caused by mutations in both nuclear and mtDNA encoded genes. It has a wide range of clinical presentations, from lethal infantile mitochondrial disease to isolat...

2015
Asaf Cidon Robert Escriva Sachin Katti Mendel Rosenblum Emin Gün Sirer

Cloud storage systems typically use three-way random replication to guard against data loss within the cluster, and utilize cluster geo-replication to protect against correlated failures. This paper presents a much lower cost alternative to full cluster geo-replication. We demonstrate that in practical settings, using two replicas is sufficient for protecting against independent node failures, ...

2017
Donguk Jang Seonghee Park

The main purpose of this paper is to evaluate electrical treeing degradation for cable 11 insulation. To effectively deal with the currently facing issues, I endeavor to find the most optimal 12 methods by means of applying signal process. First, we made three type models of electrical tree for 13 PD generation to show the distribution characteristics and applied voltage to acquire data by usin...

2007
Po-Ying Chen Heng-Yu Kung Yi-Shao Lai Ming Hsiung Tsai Wen-Kuan Yeh

This work presents a novel approach and method for examining the characteristics of wafer-level chip-scale packages (WLCSPs) for electro migration (EM) tests. The die in the WLCSP was directly attached to the substrate via a soldered interconnect. The die shrinks area available for power and the solder bump also shrinks volume and increase quantity of electron for interconnect efficiency. The b...

2016
Faisal Shahzad Moritz Kreutzer Thomas Zeiser Rui Machado Andreas Pieper Georg Hager Gerhard Wellein

Today’s High Performance Computing (HPC) systems are made possible by multiple increase in hardware parallelity. This results in the decrease of mean time to failures (MTTF) of the systems with every newer generation, which is an alarming trend. Therefore, it is not surprising that a lot of research is going on in the area of fault tolerance and fault mitigation. Applications should survive a f...

Journal: :Journal of medical genetics 2004
D M Kirby R McFarland A Ohtake C Dunning M T Ryan C Wilson D Ketteridge D M Turnbull D R Thorburn R W Taylor

C omplex I is the largest of the mitochondrial respiratory chain enzyme complexes, consisting of at least 46 subunits, seven of which are encoded by mtDNA. Deficiency of complex I is the most common respiratory chain defect, and can be caused by mutations in both nuclear and mtDNA encoded genes. It has a wide range of clinical presentations, from lethal infantile mitochondrial disease to isolat...

2012
Hongqin Fan

Purpose Construction equipment is a key resource, and contractors that own a large equipment fleet take all necessary measures to maximize equipment utilization and minimize equipment failures. Although most contractors implement scheduled maintenance programs and carry out periodic inspections and repairs on their construction equipment, it is still difficult to predict the occurrence of a spe...

2013
Bruno Pinna Génia Babykina Nicolae Brinzei Jean-François Pétin B. Pinna

Industrial systems dependability analysis is a two-fold complex task. From one hand, it consists in quantitative reliability, maintainability and availability assessment and involves stochastic modelling of system behaviour. From the other hand, it requires deterministic modelling to capture the control system behaviour and to verify its safety properties. Generally two different models of syst...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1389

امروزه پیشرفت در حوزه تکنولوژی دیجیتال، رشد سریع ریز پردازنده ها و کاهش قیمت تمام شده تجهیزات دیجیتال، تحول عظیمی در سیستم های ثانویه (سیستم های حفاظت و کنترل) ایجاد نموده است که از آن جمله می توان به بحث تجمیع توابع و توسعه سیستم اتوماسیون در صنعت پست های فشار قوی اشاره نمود. اتوماسیون پست را می توان اجرای یکپارچه زیر سیستمهای حفاظت، کنترل و نظارت بر پایه تکنولوژی ریز پردازنده ها و مفاهیم انتق...

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