نتایج جستجو برای: was finite fault modeling

تعداد نتایج: 4463687  

2012
D C - R L P

is paper introduces a software prototype called ARPHA for on-board diagnosis, prognosis and recovery. e goal is to allow the design of an innovative on-board FDIR (Fault Detection, Identification and Recovery) process for autonomous systems, able to deal with uncertain system/environment interactions, uncertain dynamic system evolution, partial observability and detection of recovery policies...

ژورنال: مهندسی دریا 2014

Exact dynamic analysis of piers due to lack of information about their constituting sub systems, is very complicated. Ordinary finite element methods cannot be used in modeling of complex dynamic systems such as these structures since many uncertainty factors exist which cannot be identified exactly. In addition to physical modeling of a pier structure, existence of uncertainty in dynamic behav...

Journal: :Geophysical Journal International 2013

Journal: :Journal of Physics of the Earth 1972

Journal: :international journal of iron and steel society of iran 0
s. zarei department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran r. jafari nedoushan department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran

the microstructure of dual phase steels can be considered as a matrix of ferrite phase reinforced by martensite particles. recent measurements show that the mechanical properties of the ferrite phase are changed with the distance from the martensite grains. in this paper, a new method has been proposed to consider this phenomenon in finite element modeling of dual phase steels microstructure. i...

1998
Ragavan Manian Joanne Bechta Dugan David Coppit Kevin J. Sullivan

Fault trees provide a graphical and logical framework for analyzing the reliability of systems. A fault tree provides a conceptually simple modeling framework to represent the system-level interactions between component reliabilities. Dynamic fault trees have been shown particularly useful for reliability analysis of embedded computer systems. Dynamic fault trees are a superset of traditional (...

H. Yaghobi, H. Rajabi Mashhadi, K. Ansari,

This paper presents the application of radial basis neural networks to the development of a novel method for the condition monitoring and fault diagnosis of synchronous generators. In the proposed scheme, flux linkage analysis is used to reach a decision. Probabilistic neural network (PNN) and discrete wavelet transform (DWT) are used in design of fault diagnosis system. PNN as main part of thi...

The phenomenon of magnetizing inrush is a transient condition, which occurs primarily when a transformer is energized. The magnitude of inrush current may be as high as ten times or more times of transformer rated current that causes malfunction of protection system. So, for safe running of a transformer, it is necessary to distinguish inrush current from fault currents. In this paper, an equiv...

2008
Silvana Medos Serdar Boztas

In this paper, we are concerned with protecting elliptic curve computation in a tamper proof device by protecting finite field computation against active side channel attacks, i.e., fault attacks. We propose residue representation of the field elements for fault tolerant Montgomery residue representation multiplication algorithm, by providing fault models for fault attacks, and countermeasures ...

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