By Marcin Mrugalski

ISBN-10: 331901546X

ISBN-13: 9783319015460

ISBN-10: 3319015478

ISBN-13: 9783319015477

The current e-book is dedicated to difficulties of edition of synthetic neural networks to strong fault analysis schemes. It offers neural networks-based modelling and estimation strategies used for designing strong fault prognosis schemes for non-linear dynamic systems.

A a part of the ebook specializes in primary concerns resembling architectures of dynamic neural networks, equipment for designing of neural networks and fault analysis schemes in addition to the significance of robustness. The booklet is of an instructional price and will be perceived as a great start line for the new-comers to this box. The e-book is usually dedicated to complex schemes of description of neural version uncertainty. particularly, the equipment of computation of neural networks uncertainty with powerful parameter estimation are offered. additionally, a unique procedure for method identity with the state-space GMDH neural community is delivered.

All the recommendations defined during this publication are illustrated via either easy educational illustrative examples and useful applications.

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Extra info for Advanced Neural Network-Based Computational Schemes for Robust Fault Diagnosis

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In this way the searching space is limited to a class of digraphs of N nodes. Any architecture of the neural network included in M is represented by the incidence matrix V inc . Each element equaled the Narch to Vi,j = 1 or Vi,j = 0 depends on the existing or no connection between i-th and j-th neurons in the network. On the beginning of the algorithm the initial set of the incidence matrixes is randomly generated. On the basis of the incidence matrixes the chromosomes are created, which are processed by the application of the mutation and crossover operators.

The Elman neural network [89] also belongs to the class of global recurrent networks. This network consists of four layers of neurons: the input, context, hidden and output layers (cf. 4). The neurons in input and output layers interact with the outside environment, whereas the hidden and context units do not. The neurons in the context layer are only used to memorize the 14 2 Designing of Dynamic Neural Networks yˆ1,k+1 u1,k ... yˆny ,k+1 unu ,k z −1 z −1 ... z −1 z −1 Fig. 3. Real Time Recurrent Network yˆ1,k+1 u1,k ...

It allows any neuron to define the quantity of a processing error of each output. The independent evaluation of any processing errors Q1 , . . , Qr , . . , Qny is performed after 30 2 Designing of Dynamic Neural Networks the generation of each layer of neurons. Moreover, based on the defined evaluation criterion it is possible to make the selection of neurons in the layer: ⎧ (l) (l) Q1 (ˆ y1,1 ) . . Qny (ˆ y1,1 ) ⎪ ⎪ ⎪ (l) (l) ⎪ ⎪ Q1 (ˆ y1,2 ) . . Qny (ˆ y1,2 ) ⎪ ⎪ ⎪ ⎪ ... ⎪ ⎪ ⎪ (l) (l) ⎪ Q (ˆ ⎪ y1,nN ) ⎨ 1 y1,nN ) .

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Advanced Neural Network-Based Computational Schemes for Robust Fault Diagnosis by Marcin Mrugalski


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