[PDF] Top 20 Consideraciones sobre la categoría epistemológica de modelo

... of Fault Diagnosis Method for Rail Circuit Based on HMM In this paper, the fault diagnosis method of track circuit is based on evaluation and learning ... See full document

... four methods can diagnosis circuit fault ...lowest diagnosis accuracy, because there are relevant, nonlinear and redundant features ...best diagnosis accuracy, because they can ... See full document

... Such methods require tuning to function correctly [5]. As different circuit breaker models with different trace characteristics are employed, either the signal processing must be re-tuned, or run the risk ... See full document

... approach based on the statistical learning theory (SLT) and the empirical risk minimization ...learning methods, such as artificial neural networks, SVM has better generalization and convergence performance ... See full document

... Artificial neural networks have achieved the state-of-the-art performance on several pattern recognition tasks. One reason for these successes is the use of a strategy called end-toend learning. This strategy is ... See full document

... new methods and tools should be employed to overcome diffi-culties and improve the diagnosis ...the fault diagnosis of EPS, which is provided with the strongpoint of synthetic integration of ... See full document

... state-space methods exploit the reconstructed attractor to extract damage sensitive ...statistical methods and ...of methods have the advantage that in general the characteristics that they use can ... See full document

... any fault occurs in these machineries then the entire operation in progress will go ...winding fault is a common and severe ...condition based monitoring technique of motor where the stator ... See full document

... each fault vibration signal decrease progressively with the increasing of scale factor from τ = 3, which indicates that the complexity of valve fault vibration signal is ...the fault classification ... See full document

... In power supply, check the power transmission link on the side of the fault and find that the power is not transmitted from the bevel gear shaft to the bevel gear. The problem arises in the connection between the ... See full document

... Fig 2: Proposed model of artificial neural network for the fault diagnosis in analog circuits X1.......Xn represents the coefficients of the polynomial fitted to the output frequency res[r] ... See full document

... located fault components as soon as possible and taken effective ...intelligent fault detection system by using the traditional Fourier ...The fault detection system for unit series multi-level ... See full document

... The fault waveform data extraction is the key of the analog circuit fault ...analog circuit fault waveform data extraction ...analog circuit simulation uses OrCAD / Pspice ... See full document

... Membership Functions of Both Fault Phenomenon and Fault Reason of House Transformer When setting up membership functions, theory domain of a fuzzy set should be firstly determined. A selected theory domain ... See full document

... The 3-gas ratio range introduced by Ron Rogers, known as "Rogers Ratio", may not exactly provide the accurate range in reality. In practice, factors such as the loading history, transformer construction, oil ... See full document

... La segunda contribuci´ on al estado del arte que se realiza en este cap´ıtulo, consiste en representar la informaci´ on obtenida del proceso de detecci´ on de fallos en un ´ unico indicador de calidad, y emplear esta ... See full document

... Focus on this problem, this paper puts forward a feature reduction method for analog circuit fault diagnosis based on wavelet packet energy spectrum and L-Isometric feature mapping L-Iso[r] ... See full document

... Present day industrial processes require sophisticated and complex arrangement of different types of controllers, actuators, sensors along with other safety equipment. This is done, largely, to account for the offset of ... See full document

... 2.2.2 Fault Diagnosis of Hydraulic System Based on Signal Processing Technology and Mathematical Model With the development of signal processing technology and faster computer computations, a variety ... See full document

... possible fault types resulting from the different combinations of three phases and the ...The fault resistance range from a few ohms, as occur in cases of arc between phases, to hundreds of ohms, as occur ... See full document