Fault analysis on power systems using wavelet transformed transients and artificial intelligence
Fault analysis on power systems using wavelet transformed transients and artificial intelligence
... (Transient Analysis of Control Systems) and MODELS (a simulation language) enables modelling of control systems and components with non-linear characteristics such as arcs and corona ?? Symmetric ... typical ring configuration Alarms: - Backup protection at B7 and B8 - Backup protection at B6 and B7 - Backup protection at B4 and B5 - Backup protection at B2 and B3 - CBs open at B7 and L7 - CBs ... initial cycles of the fault, verifying the concept of a fault signature” of these faults based on the component type and topological location, and finally, c) Using standard pre-trained neural...
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03 analysis of mechanical systems using interval computations applied to finite element methods o dessombz
... perturbation method, the Neumann expansion series, or a projection on homogeneous chaos But all of these methods consider stochastic variables for which the density of probability is known (Gaussian ... the Interval Computations Applied to FEM amount of computations on simple discrete systems, as well as the accuracy of the solutions RESOLUTION OF INTERVAL LINEAR SYSTEMS The interval arithmetic ... demonstration is reminded in appendix The inclusion method of Rump ([9]) relies on the fixed point theorem, and had to be adapted to avoid the problems of overestimation due to the loss of dependence...
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direct methods for stability analysis of electric power systems theoretical foundation, bcu methodologies, and applications
... PM Direct Methods for Stability Analysis of Electric Power Systems ffirs.indd i 9/24/2010 2:20:04 PM ffirs.indd ii 9/24/2010 2:20:04 PM Direct Methods for Stability Analysis of Electric Power Systems ... Direct Methods for Stability Analysis of Electric Power Systems Theoretical Foundation, BCU Methodologies, and Applications Hsiao-Dong Chiang A John Wiley ... that any violation of power system dynamic security limits leads to far-reaching consequences for the entire power system Direct Methods for Stability Analysis of Electric Power Systems, by Hsiao-Dong...
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Báo cáo hóa học: "Research Article The Effect of Cooperation on Localization Systems Using UWB Experimental Data" doc
... deviation of the ranging error for each condition, as well as the frequency of the condition (number of configurations belonging to the condition over the total number of configurations considered) The ... estimates the ranges to these beacons, from which it determines its position The accuracy of rangeonly localization systems depends mainly on two factors The first is the geometric configuration of the ... target locations in the grid Clearly, a pair of devices can be in non-LoS (NLoS) condition depending on their relative locations within the topology of the environment MODELING OF THE RANGE MEASUREMENT...
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Báo cáo y học: "Analysis of genetic systems using experimental evolution and whole-genome sequencing" docx
... al.: Analysis of one million base pairs of Neanderthal DNA Nature 2006, 444:330-336 51 Kellis M, Birren BW, Lander ES: Proof and evolutionary analysis of ancient genome duplication in the yeast ... phenotypes produced by seemingly dissimilar genetic changes, functional connections within and between genetic modules [28-29] can now be revealed by experimental evolution coupled with whole-genome ... between metabolic flux and fitness [12] Later experiments, using long-term laboratory evolution of parallel lines, were aimed at the key evolutionary question of how much variability we would expect...
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Matrix pencil method as a signal processing technique performance and application on power systems signals
... manipulation and Linear Algebra methods such as SVD, matrix inverse method and eigenvalue method These methods are available in the base package of LabVIEW and hence, no additional software packages have ... exponential signal • Chapter describes a new application of MPM on sub-cycle fault classification based on the findings from Chapter and This method is tested on a simple case as a start MPM is ... this, conventional power systems also suffer from underinvestment and increasing load demand As a result, the grid has to operate at a higher load demand with an aging infrastructure [5] Increased...
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Households as Corporate Firms An Analysis of Household Finance Using Integrated Household Surveys and Corporate Financial Accounting pptx
... University of California at San Diego, the University of Thai Chamber of Commerce in Bangkok, and the Ministry of Finance of Thailand, as well as students at the University of Chicago and MIT Anan Pawasutipaisit ... finance profession Analogous to corporate finance, household finance asks how households use financial instruments to attain their objectives We argue further that the study of household finance ... two case study households We present returns on household assets and wealth, various measures of risk and liquidity, financing mechanisms of consumption and investment, as well as wealth management...
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Digital Sound Recorder: A case study on designing embedded systems using the UML notation.
... proposes the Domain Analysis phase In this phase, we should analyse the requirements and present a class diagram as a general solution for the problem The domain diagram shows the main classes of the ... the Audio Input and Output classes The timer class is a wrapper for a hardware timer The Microphone class is a hardware wrapper for the physical microphone A Microphone class can record one sound ... User interface, so the User interface can show an indication on the display and play an alarm sound with the help of the Audio Controller The Battery object periodically measures the battery power...
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Analysis and design of control systems using MATLAB
... magnitude of the sensitivity-function is made arbitrarily small 1.8 CONTROL SYSTEM ANALYSIS AND DESIGN OBJECTIVES Control systems engineering consists of analysis and design of control systems ... control systems Some of the terms commonly used to describe the operation, analysis, and design of control systems are presented 1.2 CONTROL SYSTEMS Control means to regulate, direct, command, or ... are both man-made and natural ANALYSIS AND DESIGN OF CONTROL SYSTEMS USING MATLAB An electric switch is a man-made control system controlling the electricity-flow The simple act of pointing at an...
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Reliability analysis of power system based on generalized stochastic petri nets
... interconnections symbolize the logical interactions The construction rule for each sub-block follows two steps: 1) Identification and description of states (configurations); 2) Specification of transitions ... the stochastic transitions were supposed to have constant probability of firing However, there is a strong correlation between the operating conditions of power systems and the probability of harmful ... marking of auxiliary place M (ps ), are reported in Table III Since we decided to condition only the transition T PU T of the protection of line L1 , then we only need the information contained...
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A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx
... (1) Fish Marketing Systems. qxd 8/8/03 5:55 pm Page i A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach U ... pm Page 13 Combining Sub-Sector Analysis With The Sustainable Livelihoods Approach Using a combination of the Sustainable Livelihoods Approach (SLA) and sub-sector analysis proved to be a useful ... (RRA) approach to initial project preparation was developed By the end of the decade, there was a range of RRA methods and approaches available which then gave rise to participatory rural appraisal...
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Báo cáo khoa học: "Opinion Mining Using Econometrics: A Case Study on Reputation Systems" pdf
... the two categories of data that we collected Transaction Data: The first part of our data set contains details of the transactions that took place on the marketplace of Amazon.com for each of the ... online reputation, thus far, base a merchant’s reputation on the numeric rating that characterizes the seller (e.g., average number of stars and number of completed transactions) (Melnik and Alm, ... transactions and 107,922 price premiums (recall that each transaction generates multiple price premiums) Reputation Data: The second part of our data set contains the reputation history of each merchant...
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Báo cáo sinh học: " Research Article Automatic Modulation Recognition Using Wavelet Transform and Neural Networks in Wireless Systems" ppt
... Signal Processing, vol 5, no 1, pp 74–81, 2009 [12] K Maliatsos, S Vassaki, and P Constantinou, “Interclass and intraclass modulation recognition using the wavelet transform, ” in Proceedings of the ... modulation recognition using wavelet transform and neural networks, ” in Proceedings of the International Symposium on Neural Networks (ISNN ’04), vol 3173 of Lecture Notes in Computer Science, ... optimal wavelet filter to be used In particular, we provide in Table the total recognition percentage using several wavelet filters in the case of full-class recognition for SNR = dB Using Haar wavelet, ...
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Báo cáo sinh học: " Research Article Interactions between Uterine EMG at Different Sites Investigated Using Wavelet Analysis: Comparison of Pregnancy and Labor Contractions" pdf
... time-frequency plane between pregnancy and labor The values indicate also that during labor the location of the high synchronization becomes clearer and that there is more difference between values at the low ... values of CWCF range between (no amplitude correlation between X and Y) and (X and Y are totally correlated in amplitude) The application of these methods on EEG signals has indicated that phase ... comparison between CWCF and WLCC figures indicates that during pregnancy there is more phase correlation than during labor At the opposite, there is more amplitude correlation during labor than during pregnancy...
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