intelligent systems for the detection of internal faults in power transmission transformers

ADVANCES IN EXPERT SYSTEMS pptx

Ngày tải lên : 05/03/2014, 21:21

... Support System for Diagnosis of Power Transformers In: Proceedings of the 15th International Confer‐ Intelligent Systems for the Detection of Internal Faults in Power Transmission Transformers http://dx.doi.org/10.5772/51417 ... the treatment of acoustic emission signals, making the application of intelligent systems very promising Intelligent Systems for the Detection of Internal Faults in Power Transmission Transformers ... (definition of the most relevant variables and application of oth‐ er necessary tools); • Training or tuning of intelligent systems; Intelligent Systems for the Detection of Internal Faults in Power Transmission...

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Comparing Association Rules and Decision Trees for Disease Prediction pptx

Ngày tải lên : 27/06/2014, 21:20

... settings for risk factors varied depending on the type of rules being mined (predicting existence or absence of disease) Combinations of items in the same group are not considered interesting ... arteries were considered interesting There were no group constraints for any of the attributes, except for the regions of the heart (group 1) This allowed finding rules combining any risk factors ... association rules in binary data for the first time and report preliminary findings from a data mining perspective Finally, [25] studies the impact of each constraint on the number of discovered rules...

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Tài liệu Neural Networks and Neural-Fuzzy Approaches in an In-Process Surface Roughness Recognition System for End Milling Operations pptx

Ngày tải lên : 23/01/2014, 01:20

... Iowa (including Winnebago Co in Forest City; Delavan Inc in Des Moines; Sauer-Sundstrand Inc in Ames), point to the feasibility of in- process surface roughness recognition (ISRR) systems for implementation ... variable, the degree of the feed rate variable, the degree of the depth of cut variable, the degree of the vibration variable, the degree of the surface roughness variable, the degree assigned by the ... representation of the training data set Therefore, a total of 492 data sets were available for training In this research, 92 data sets were selected randomly from the 492 training data In addition,...

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Neural Networks (and more!)

Ngày tải lên : 13/09/2012, 09:50

... network performance These are histograms of the neural network's output values, (a) for the training data, and (b) for the remaining images The neural network performs better with the training data ... during the training, such as printing it to the video screen at the end of each iteration If the system isn't converging properly, stop the program and try another value for MU Evaluating the ... train the neural network (i.e., determine the weights), and the remainder to test its performance The database must also contain a way of identifying the letter contained in each image For instance,...

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C++ Neural Networks and Fuzzy Logic pptx

Ngày tải lên : 23/03/2014, 22:21

... is the minimum, or the smaller value of its degree of membership individually in the two sets forming the intersection For example, if today has 0.8 for degree of membership in the set of rainy ... (given a uniform distribution of random indexes into it) determines the probability of falling into the bin Therefore, the probability of falling into bin A is 80/(80+40+20) Previous Table of Contents ... inclusion in the set, and the second member is a value between and 1, inclusive, called the degree of membership in the set The inclusion of the degree of membership in the set makes it convenient for...

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perlovsky - neural networks and intellect - using model-based concepts (oxford, 2001)

Ngày tải lên : 03/04/2014, 12:09

... designatum, and the concept in the interpreter’s mind, the internal representation of the results of interpretation, is called an interpretant of the sign The essence of a sign is that it can be interpreted ... neural structures The basis of this search for the material structures of intellect, for the explanation of how the interactions of brain neurons could process the information and perform computations ... Aristotelian theory of Form, the adaptivity of the mind was due to a meeting between the a priori Form and matter The major point of Aristotelian criticism of Plato’s Eide concepts was that before a Form...

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perlovsky - neural networks and intellect (oxford, 2001)

Ngày tải lên : 03/04/2014, 12:09

... designatum, and the concept in the interpreter’s mind, the internal representation of the results of interpretation, is called an interpretant of the sign The essence of a sign is that it can be interpreted ... neural structures The basis of this search for the material structures of intellect, for the explanation of how the interactions of brain neurons could process the information and perform computations ... Aristotelian theory of Form, the adaptivity of the mind was due to a meeting between the a priori Form and matter The major point of Aristotelian criticism of Plato’s Eide concepts was that before a Form...

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Báo cáo hóa học: "Bearing Fault Detection Using Artiﬁcial Neural Networks and Genetic Algorithm" pdf

Ngày tải lên : 23/06/2014, 01:20

... presented for Case B using the entire data of the ﬁrst set of run for training of ANNs and the data of the second set of run for testing The size of training and test data was 24576 each The normalization ... [10], for using them as inputs to the ANNs Half of the ﬁrst data set was used for training and the other half for testing the ANNs, while the entire data of the second set were used for testing ... the data of the second set of run were used for testing In both cases, the testing data sets had no part in the training of ANNs In each case, the training was based on the training data sets...

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RECURRENT NEURAL NETWORKS AND SOFT COMPUTING pot

Ngày tải lên : 27/06/2014, 00:20

... which define the training “stability band” The procedure for the determination of the training stability band is the following: Perform the first training process based on the training data set and ... algorithm The training process continues from the first data point included in the training set to the very last, but the queue order is not important A single training run on a complete training data ... Perform the modelling with the trained neural network in the data points between the training data points The result of the modelling is the first so-called reference model This means that the...

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The study of gene and protein vaccines for allergic diseases in mice

Ngày tải lên : 14/09/2015, 14:20

... favoring the production of IgE (Bacharier LB and Geha RS, 2000) The crucial role of IL-4 in the induction of murine IgE synthesis has been confirmed in vivo in 1991 (Kuhn R et al) Suppression of in ... Regulation of ε-chain germline transcription 22 The binding of IL-4 or IL-13 to their receptors on B cells leads to the activation of the transcription factor Stat6 and the induction of ‘germline’ ... et al., 2002) The choice of genetic background of the mouse strain engaged could have varying degree of response For instance, the measurement of AHR in nine different mice strains of commonly...

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Neural networks for modelling and control pdf

Ngày tải lên : 07/03/2014, 13:20

... ¤ uj Modelj Π wj e Σ u Plant X y Σ -i e + -j e - yj - Σ if min(J(e)) otherwise Cont.j Σ + yi { - Π Modeli wi w= + r Cont.i ui Gating System X Plant wj wi y # 8!# 0 $ s&3' X d m jX V h)0 ... &3$&(¦s3BA6d{`)743BfcBAW`335&370T$3&5)`tB¤C&BX 3B)U ¤ Expert layer ¦ Input layer Output layer yN wN Xn Σ YAME w1 y1 X1 Gating network T )0 # V # d # 0 @' ! ' C# C!#0 U E S d E1 G '# ... y V #! G 3BA55Ad0T33Ah)5Qf$&Bi7Pa7Cai$5¦aQ X 3U ¤ BP e X Σ um + - Sensory Input(s) HUMAN SYSTEM u y f V# 1P E C S 1 @ U E! S S '!0 E 'P # 0 #b C Vj C#0...

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Data Mining Classification: Basic Concepts, Decision Trees, and Model Evaluation Lecture Notes for Chapter 4 Introduction to Data Mining pptx

Ngày tải lên : 15/03/2014, 09:20

... implying least interesting information • Minimum (0.0) when all records belong to one class, implying most interesting information © Tan,Steinbach, Kumar Introduction to Data Mining 42 Examples for ... implying least interesting information – Minimum (0.0) when all records belong to one class, implying most interesting information C1 C2 Gini=0.000 © Tan,Steinbach, Kumar C1 C2 Gini=0.278 C1 C2 Gini=0.444 ... Repetition of work © Tan,Steinbach, Kumar Introduction to Data Mining 36 Continuous Attributes: Computing Gini Index For efficient computation: for each attribute, – Sort the attribute on values – Linearly...

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neural networks for instrumentation, measurement and related industrial applications

Ngày tải lên : 03/06/2014, 01:04

... One of the most important reasons for introducing the concept of uncertainty in measurement recalled in the previous sections is the need for comparing the results of different measurements of the ... contribute in making the result of the measurement different from the expected "true" value because of several reasons, such as, for instance, his insufficient training, an incorrect reading of the instrument ... NOTICE The publisher is not responsible for the use which might be made of the following information PRINTED IN THE NETHERLANDS Preface The aims of this book are to disseminate wider and in- depth theoretical...

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Báo cáo hóa học: " Improvement for detection of microcalcifications through clustering algorithms and artificial neural networks" ppt

Ngày tải lên : 20/06/2014, 22:20

... based on the neuron organization and decision-making process of the human brain [34] In other words, they are mathematical models of the brain ANNs are used in a wide variety of data processing applications ... According to the performance of the classifiers as determined by means of the ROC curves (Figure 5) and the final images obtained (Figure 6), the proposed method is a promising alternative for ... in 7th IEEE International Conference on Industrial Informatics, INDIN, pp 510–515 (2009) Page 11 of 11 37 D Andina, J Sanz-Gonzalez, On the problem of binary detection with neural networks, in...

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Báo cáo hóa học: " Research Article Existence and Stability of Antiperiodic Solution for a Class of Generalized Neural Networks with Impulses and Arbitrary Delays on Time Scales" ppt

Ngày tải lên : 21/06/2014, 07:20

... The organization of this paper is as follows In Section 2, we introduce some deﬁnitions and lemmas In Section 3, by using the method of coincidence degree theory, we obtain the existence of the ... with impulse The main purpose of this paper is to study the existence and global exponential stability of anti-periodic solutions of system 1.1 by using the method of coincidence degree theory and ... 2.13 i where n φ − x∗ sup φi s − xi∗ s , i s∈ET The following continuation theorem of coincidence degree theory is crucial in the arguments of our main results Lemma 2.13 see 37 Let X, X be two...

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Báo cáo hóa học: " Research Article Exponential Stability for Impulsive BAM Neural Networks with Time-Varying Delays and Reaction-Diffusion Terms" doc

Ngày tải lên : 22/06/2014, 19:20

... 2, Since f j and gi are not monotone increasing functions, the conditions of two theorems in [26] are not satisﬁed, which means that the theorems in [26] are not applicable to ascertain the stability ... Department of Mathematics, Chongqing Jiaotong University, Chongqing 400074, China Email address: sqk@hutc.zj.cn Jinde Cao: Department of Mathematics, Southeast University, Nanjing 210096, China Email ... clear that, in general, the partial derivatives ∂ui (tk ,x)/∂t and ∂v j (tk ,x)/∂t not exist On the other hand, according to the ﬁrst and the third equations of model (2.1), there exist the limits...

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Báo cáo hóa học: " Research Article Applying Novel Time-Frequency Moments Singular Value Decomposition Method and Artiﬁcial Neural Networks for Ballistocardiography" docx

Ngày tải lên : 22/06/2014, 23:20

... used for MLP nets and 300 BCG for RBF nets) and the rest of the data (2000 BCG cycles) for testing the performance of the ANN classiﬁer, not using the same data for training and testing the system ... circles The dotted lines point the “R” spikes detected from the ECG signal, and the dashed lines point the beginning and the end of the respiratory cycle (myocardial) infarction In Section 2, the ... using neuro-fuzzy systems and shift-invariant wavelet transforms for epileptic seizures diagnosing,” in Proceedings of 26th Annual International Conference of the Engineering in Medicine and Biology...

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Báo cáo hóa học: " Use of Time-Frequency Analysis and Neural Networks for Mode Identiﬁcation in a Wireless Software-Deﬁned Radio Approach" pptx

Ngày tải lên : 23/06/2014, 01:20

... variable in time, as in the case of FH (Bluetooth) The second feature is obtained on the basis of the following considerations In the case of DS, frequency components are continuous in time for a ... 3a) According to the distribution proﬁle for any signal of ﬁxed length and moving on the time axis, the WV transform of a signal s(t) increases up to the middle of the time window, then it decreases ... explained before, in the design of an SR terminal, many problems arise from both the hardware and software points of view [1] However, some issues also concern the context of the SP domain for...

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Using biological networks and gene expression profiles for the analysis of diseases

Ngày tải lên : 09/09/2015, 10:15

... a set S within the sorted list (B) Plot finding; it is computed by comparing of the running sum for S in the data set, including the location of the maximum null distributions for the NES enrichment ... microarray and the number of ways of sampling (n − k) non-DEGs in the pathway from (N − K) non-DEGs in the microarray, and the denominator is the number of ways of sampling n genes in the pathway from ... genes sorted in increasing order of the modiﬁed t-statistic The permutation test randomly swaps the class labels of the original data, preserving the proportions of the classes, and the modiﬁed...

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$Prevalence and risk factors for refractive errors and their associations with major age related eye diseases in adult singapore indians$

Prevalence and risk factors for refractive errors and their associations with major age related eye diseases in adult singapore indians

Ngày tải lên : 09/09/2015, 10:21

... state of refraction in which parallel rays of light are brought to focus in front of the retina of a resting eye.2-3 In myopic eyes, the images of distant objects are focused in front of the retina ... Figure Sampling Frame of the Singapore Indian Eye Study…………………….197 Figure Examination Flowchart for the Singapore Indian Eye Study………… 198 Figure Final Response for the Singapore Indian Eye Study…………………… ... One way of investigating the 22 influence of lifestyle on the prevalence of refractive errors is to examine the changing patterns of refractive errors in migrant populations Studies on the Inuit...

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