Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"Fault Analysis"”.
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Expert systems for fault analysis
… Studies. Due to the generic nature of Fault Analysis problems and the way in which Knowledge Base Systems work, this goal has evolved into a consideration of automated support for Fault Analysis in general, covering HAZOP, Fault Tree Analysis, FMEA and Fault Diagnosis in the Process …
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Fault Analysis of Analog Circuits
Made available in DSpace on 2014-12-12T20:55:09Z (GMT). No. of bitstreams: 1 8009157.pdf: 3509906 bytes, checksum: 4926cd09ce728379346b879cbc550dec (MD5) Previous issue date: 1979
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Bridging fault analysis in digital circuits.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1974. M.S.
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Automated transmission line fault analysis the SMT method
Analyzing faults from transmission lines automatically using a computer is a complex, multi-step process that takes a literal understanding of how the computer reads the data. While there are many ways to approach this problem (e.g.. Inductance Calculation), the Square Mean Test method allows for …
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An innovative fault analysis framework to enhance building operations
This study proposes a failure analysis framework to enhance the building operations. A literature review was conducted for fault modeling and the fault mode and effect analysis (FMEA) applications to the building technology with a conclusion that few FMEA studies were applied in the building …
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Improvement of distribution transformer fault analysis using FRA method
… monitor its condition. Frequency Response Analysis (FRA) is an advanced electrical test, which is commonly employed to investigate the transformer’s main winding. Moreover, it has been shown to be sensitive to non-mechanical changes such as winding insulation. The measured FRA result needs …
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Petri net modeling of fault analysis for probabilistic risk assessment
Fault trees and event trees have been widely accepted as the modeling strategy to perform Probabilistic Risk Assessment (PRA). However, there are several limitations associated with fault tree/event tree modeling. These include 1. It only considers binary events; 2. It assumes independence among …
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APPLICATION OF MODAL TRANSFORMATION FOR FAULT ANALYSIS AND DIGITAL DISTANCE RELAYING
… relays that measure the apparent distances of faults and compare them with the relay settings to determine if the fault is inside the protected zone. The information required for setting relays is generally obtained from fault analysis studies. Presently, electromechanical and solid state …
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Investigating power and fault analysis with specific application to bilinear pairings
… implementation attacks such as side channel and fault attacks is largely an uncharted area of research. Apart from one publication on the topic, coverage of this area is non-existent. Armed with the fact that the number of applications based on bilinear pairings is ever-increasing, the bilinear …
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Data-driven and Model-based Bearing Fault Analysis - Wind Turbine Application
This thesis is primarily about fault analysis for wind turbine generator bearings including vibration data analysis, and modeling of bearing outer race faults to understand how the vibration signal develops as the faults progresses. Case studies from large wind turbines are described where …
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Electromagnetic fault analysis for high specific power permanent magnet synchronous machine
This thesis discusses the electromagnetic fault analyses for a high specific power 1 MW permanent magnet synchronous electric machine designed for aerospace applications. As the high specific power of 13.3 kW/kg of the machine is to be achieved by pushing the design parameters such as mechanical …
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Modeling of industrial power distribution circuits for voltage sag and fault analysis
… its impact on overall sag mitigation during fault conditions.
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A computer-aided fault analysis of the VPI electric service power distribution system
… digital computer program to perform fault analyses is developed and discussed in detail. The program is utilized to perform a complete fault study of the distribution system of the VPI Electric Service, as an example test case. Equations are gathered and a computer program is written …
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Fault Injection Attacks on RSA and CSIDH
Fault injection attacks are a powerful technique that intentionally induces faults during computations to leak secret information. This thesis studies the fault injection attack techniques. The thesis first categorizes various fault attack methods by fault model and fault analysis and gives …
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Integration of Hidden Markov Modelling and Bayesian Networks for fault analysis of complex systems. Development of a hybrid diagnostics methodology based on the integration of hidden Markov modelling and Bayesian networks for fault detection, prediction and isolation of complex automotive systems
… focused on detecting, predicting and isolating faults in engineered systems, using operational data with multifarious data characteristics. Complexities in the data, including non-Gaussianity and high nonlinearity, impose stringent challenges on fault analysis. To deal with these challenges, …
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Integration of Hidden Markov Modelling and Bayesian Networks for fault analysis of complex systems. Development of a hybrid diagnostics methodology based on the integration of hidden Markov modelling and Bayesian networks for fault detection, prediction and isolation of complex automotive systems
… focused on detecting, predicting and isolating faults in engineered systems, using operational data with multifarious data characteristics. Complexities in the data, including non-Gaussianity and high nonlinearity, impose stringent challenges on fault analysis. To deal with these challenges, …
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Architecture Support for Countermeasures against Side-Channel Analysis and Fault Attack
… be mathematically secure; however, side-channel analysis attacks go beyond mathematics by taking measurements of the device’s electrical activity to reveal the secret data of a cipher. These attacks also go hand in hand with fault analysis techniques to disclose the secret key used in …
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Analysis and Design of Symmetric Cryptographic Algorithms
This doctoral thesis is dedicated to the analysis and the design of symmetric cryptographic algorithms. In the first part of the dissertation, we deal with fault-based attacks on cryptographic circuits which belong to the field of active implementation attacks and aim to retrieve secret keys stored …
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