نتایج جستجو برای: internal faults

تعداد نتایج: 254936  

2001
MLADEN KEZUNOVIC BOGDAN KASZTENNY

The more sophisticated a protection algorithm, the more information on both steady-state and transient behavior of a protected element required for proper designing, setting and testing of a given relay. In the case of a power transformer, the most important phenomena to be modeled from the standpoint of protective relaying are: magnetizing inrush including initial, recovery and sympathetic inr...

1995
Jeffrey M. Voas

Software testability the tendency for software to reveal its faults during testing is an important issue for veri cation and quality assurance Testability measurement can also be used to good advantage as a debugging aide In this paper we propose using testability measures for assertion place ment and fault isolation One measure of testability is a technique termed Sensitivity Analysis This tec...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2005
mahmoud reza pishvaie mohammad shahrokhi

changes in the physicochemical conditions of process unit, even under control, may lead to what are generically referred to as faults. the cognition of causes is very important, because the system can be diagnosed and fault tolerated. in this article, we discuss and propose an artificial neural network that can detect the incipient and gradual faults either individually or mutually. the main fe...

Faults in computer networks may result in millions of dollars in cost. Faults in a network need to be localized and repaired to keep the health of the network. Fault management systems are used to keep today’s complex networks running without significant cost, either by using active techniques or passive techniques. In this paper, we propose a novel approach based on imperialist competitive alg...

Journal: :IEEE Access 2021

In this paper, the problem of fault-tolerant control is investigated for turbofan engines with actuator faults. The controller involvement has repressed effects faults on controlled outputs engines, making difficult. To solve problem, internal gas-path data introduced to provide conducive fault information. Besides, useful property convolution neural network (CNN) explored and utilized in contr...

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
sh. asgari a. yazdizadeh m. g. kazemi

in this paper, in order to increase the efficiency, to reduce the cost and to prevent the failures of wind turbines, which lead to an extensive break down, a robust fault diagnosis system is proposed for v47/660kw wind turbine operated in manjil wind farm, gilan province, iran. according to the acquired data from iran wind turbine industry, common faults of the wind turbine such as sensor fault...

Journal: :Decision Support Systems 2007
Debanjan Ghosh Raj Sharman H. Raghav Rao Shambhu J. Upadhyaya

As modern software-based systems and applications gain in versatility and functionality, the ability to manage inconsistent resources and service disparate user requirements becomes increasingly imperative. Furthermore, as systems increase in complexity, rectification of system faults and recovery frommalicious attacks become more difficult, labor-intensive, expensive, and error-prone. These fa...

2004
Heng Liu Julian F. Miller Andy M. Tyrrell

A biologically inspired developmental model targeted at hardware implementation (off-shelf FPGA) is proposed which exhibits extremely robust transient fault-tolerant capability: in the software simulation of the experimental application. In a 6x6 cell French Flag, some individuals were discovered using evolution that have the ability to “recover” themselves from almost any kinds of transient fa...

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