نتایج جستجو برای: order reliability method

تعداد نتایج: 2449602  

2011
Dong-Wook Kim Young Hwa Sung Giwoo Jeung Sang Sik Jung Hongjoon Kim Dong-Hun Kim

The current paper presents an effective methodology for assessing the reliability of electromagnetic designs when considering uncertainties of design variables. To achieve this goal, the reliability index approach based on the first-order reliability method is adopted to deal with probabilistic constraint functions, which are expressed in terms of random design variables. The proposed method is...

2005
Yiannis Tsompanakis Nikos D. Lagaros Michalis Fragiadakis Manolis Papadrakakis

1. Abstract In this paper a robust and efficient methodology is presented for treating large-scale reliability-based, structural optimization problems under seismic loads using the pushover analysis method. The optimization problem is solved with the Evolution Strategies method, while the reliability analysis is carried out with the Monte Carlo simulation method. In order to reduce the excessiv...

2012
Changjie Ma Guochang Gu Jing Zhao

In this paper, we have focused on the Fedora Core Linux operating system which is known as the OSS, and discussed the method of reliability assessment for the OSS developed under on an open source project. Especially, we have applied on the neural network in order to consider the effect of each software component on the reliability of an entire system under such open source development paradigm...

Journal: :the modares journal of electrical engineering 2011
shaho ghanei abdoreza rahmati

condition monitoring of bldc motors due to their important applications is gaining more and more significance. rotor eccentricity is one of the most important sources of faults in these motors. up to now, detection methods of this fault under nonstationary conditions are limited to complicated and time-consuming methods using wavelets and cohen class algorithms which are difficult to implement ...

2017
Hirotoshi Iwasaki Hironori Hiraishi

Reliability optimization is an important step in industrial systems design. In order to develop a reliable system, designers may introduce different redundant technologies with the same functionality in parallel. In this paper, each technology is assumed to be composed of series components. The obtained configuration belongs to the series-parallel systems. The presented tool is for the design o...

Journal: :JSW 2014
Chijun Zhang Yongjian Yang Xiaoyu Guo Zhanwei Du Na Lin

Traditional calculations of word similarity are based on a single dictionary, and ignore the coordination between dictionaries. Therefore in order to improve the reliability of similarity calculation methods based on the dictionary, this paper proposes a similarity calculation method based on multi-dictionary, namely through the combination of multiple dictionaries, to improve the reliability o...

2012
Sung - Hun Lee

Reliability Centered Maintenance(RCM) is one of most widely used methods in the modern power system to schedule a maintenance cycle and determine the priority of inspection. In order to apply the RCM method to the Smart Grid, a precedence study for the new structure of rearranged system should be performed due to introduction of additional installation such as renewable and sustainable energy r...

2011
Wei Gao Di Wu Chongmin Song Francis Tin-Loi Xiaojing Li

This paper presents a mixed perturbation Monte-Carlo method for static and reliability analysis of structural systems with a mixture of random and interval parameters/loadings. Using a combination of the Taylor expansion, matrix perturbation theory and random interval moment method, the expressions for the mean value and standard deviation of random interval structural responses are developed. ...

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