Results 41 to 50 of about 901,213 (331)

MTBF evaluation for 2-out-of-3 redundant repairable systems with common cause and cascade failures considering fuzzy rates for failures and repair: a case study of a centrifugal water pumping system

open access: yesJournal of Industrial Engineering International, 2017
In many cases, redundant systems are beset by both independent and dependent failures. Ignoring dependent variables in MTBF evaluation of redundant systems hastens the occurrence of failure, causing it to take place before the expected time, hence ...
Seyed Mohammad Mortazavi   +2 more
doaj   +1 more source

The Trade-Off between the Controller Effort and Control Quality on Example of an Electro-Pneumatic Final Control Element

open access: yesActuators, 2019
For many years, the programmable positioners have been widely applied in structures of modern electro-pneumatic final control elements. The positioner consists of an electro-pneumatic transducer, embedded controller, and measuring instrumentation ...
Michał Bartyś, Bartłomiej Hryniewicki
doaj   +1 more source

Computing the Number of Failures for Fuzzy Weibull Hazard Function

open access: yesMathematics, 2021
The number of failures plays an important factor in the study of maintenance strategy of a manufacturing system. In the real situation, this number is often affected by some uncertainties. Many of the uncertainties fall into the possibilistic uncertainty,
Hennie Husniah, Asep K. Supriatna
doaj   +1 more source

Robustness of the European power grids under intentional attack [PDF]

open access: yes, 2007
The power grid defines one of the most important technological networks of our times and sustains our complex society. It has evolved for more than a century into an extremely huge and seemingly robust and well understood system. But it becomes extremely
B. A. Carreras   +10 more
core   +4 more sources

Analisis Maintenance Reliability Terhadap Mtbf (Mean Time Between Failures) Facilities Pada Industri Pulp & Paper [PDF]

open access: yes, 2013
Penelitian ini dilakukan pada Fasilitas Mesin Robotyer sector Pulp Machine PT.Riau Andalan Pulp & Paper dan Bleaching Sector Pulp MAKING-9 PT. IndahKiat Pulp & Paper, bertujuan untuk mengetahui pengaruh MaintenanceReliability yang terdiri dari Preventive
Daniel, D. D. (Dian)   +2 more
core  

Towards Data-Driven Autonomics in Data Centers [PDF]

open access: yes, 2015
Continued reliance on human operators for managing data centers is a major impediment for them from ever reaching extreme dimensions. Large computer systems in general, and data centers in particular, will ultimately be managed using predictive ...
Babaoglu, Ozalp, Sîrbu, Alina
core   +2 more sources

Potential Early Risk Biomarkers for Reduced Forced Expiratory Volume in Children Post‐Hematopoietic Cell Transplantation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT We sought to identify potential early risk biomarkers for lung disease in children post‐allogeneic HCT. Patients with pulmonary function tests 3 months post‐transplant and plasma samples between days 7 and 14 post‐HCT were included. Six of 27 subjects enrolled had reduced forced expiratory volume 1 (FEV1) z scores.
Isabella S. Small   +3 more
wiley   +1 more source

The MedSupport Multilevel Intervention to Enhance Support for Pediatric Medication Adherence: Development and Feasibility Testing

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction We developed MedSupport, a multilevel medication adherence intervention designed to address root barriers to medication adherence. This study sought to explore the feasibility and acceptability of the MedSupport intervention strategies to support a future full‐scale randomized controlled trial.
Elizabeth G. Bouchard   +8 more
wiley   +1 more source

Analysis of Node Failures in High Performance Computers Based on System Logs [PDF]

open access: yes, 2015
The growth in size and complexity of HPC systems leads to a rapid increase of their failure rates. In the near future, it is expected that the mean time between failures of HPC systems becomes too short and that current failure recovery mechanisms will ...
Ciorba, Florina M.   +3 more
core  

In vivo assessment of drug efficacy against Plasmodium falciparum malaria: duration of follow-up. [PDF]

open access: yes, 2004
To determine the optimum duration of follow-up for the assessment of drug efficacy against Plasmodium falciparum malaria, 96 trial arms from randomized controlled trials (RCTs) with follow-up of 28 days or longer that were conducted between 1990 and 2003
Adjuik, M   +16 more
core   +3 more sources

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