Thesis artificial neural networks Vert Geometry
A model reference adaptive control structure incorporating the proposed fuzzy neural network is studied.
Master thesis neural network ResearchGate
Artificial Neural Networks Previous:
The structure of artificial neural networks was based on the presentunderstanding of biological neural systems.
Increase of population and growing of societal and commercial activities with limited land available in a modern city leads to construction up of tall/highrise buildings. As such, it is important to investigate about the health of the structure after the occurrence of manmade or natural disasters such as earthquakes etc. A direct mathematical expression for parametric study or system identification of these structures is not always possible. Actually System Identification (SI) problems are inverse vibration problems consisting of coupled linear or nonlinear differential equations that depend upon the physics of the system. It is also not always possible to get the solutions for these problems by classical methods. Few researchers have used different methods to solve the above mentioned problems. But difficulties are faced very often while finding solution to these problems because inverse problem generally gives nonunique parameter estimates. To overcome these difficulties alternate soft computing techniques such as Artificial Neural Networks (ANNs) are being used by various researchers to handle the above SI problems. It is worth mentioning that traditional neural network methods have inherent advantage because it can model the experimental data (input and output) where good mathematical model is not available. Moreover, inverse problems have been solved by other researchers for deterministic cases only. But while performing experiments it is always not possible to get the data exactly in crisp form. There may be some errors that are due to involvement of human or experiment. Accordingly, those data may actually be in uncertain form and corresponding methodologies need to be developed.
It is an important issue about dealing with variables, parameters or data with uncertain value. There are three classes of uncertain models, which are probabilistic, fuzzy and interval. Recently, fuzzy theory and interval analysis are becoming powerful tools for many applications in recent decades. It is known that interval and fuzzy computations are themselves very complex to handle. Having these in mind one has to develop efficient computational models and algorithms very carefully to handle these uncertain problems.
As said above, in general we may not obtain the corresponding input and output values (experimental) exactly or in crisp form but we may have only uncertain information of the data. Hence, investigations are needed to handle the SI problems where data is available in uncertain form. Identification methods with crisp (exact) data are known and traditional neural network methods have already been used by various researchers. But when the data are in uncertain form then traditional ANN may not be applied. Accordingly, new ANN models need to be developed which may solve the targeted uncertain SI problems. Hence present investigation targets to develop powerful methods of neural network based on interval and fuzzy theory for the analysis and simulation with respect to the uncertain system identification problems. In this thesis, these uncertain data are assumed as interval and fuzzy numbers. Accordingly, identification methodologies are developed for multistorey shear buildings by proposing new models of Interval Neural Network (INN) and Fuzzy Neural Network (FNN) models which can handle interval and fuzzified data respectively. It may however be noted that the developed methodology not only be important for the mentioned problems but those may very well be used in other application problems too. Few SI problems have been solved in the present thesis using INN and FNN model which are briefly described below.
From initial design parameters (namely stiffness and mass in terms of interval and fuzzy) corresponding design frequencies may be obtained for a given structural problem viz. for a multistorey shear structure. The uncertain (interval/fuzzy) frequencies may then be used to estimate the present structural parameter values by the proposed INN and FNN. Next, the identification has been done using vibration response of the structure subject to ambient vibration with interval/fuzzy initial conditions. Forced vibration with horizontal displacement in interval/fuzzified form has also been used to investigate the identification problem.
Moreover this study involves SI problems of structures (viz. shear buildings) with respect to earthquake data in order to know the health of a structure. It is well known that earthquake data are both positive and negative. The Interval Neural Network and Fuzzy Neural Network model may not handle the data with negative sign due to the complexity in interval and fuzzy computation. As regards, a novel transformation method have been developed to compute response of a structural system by training the model for Indian earthquakes at Chamoli and Uttarkashi using uncertain (interval/fuzzified) ground motion data. The simulation may give an idea about the safety of the structural system in case of future earthquakes. Further a single layer interval and fuzzy neural network based strategy has been proposed for simultaneous identification of the mass, stiffness and damping of uncertain multistorey shear buildings using series/cluster of neural networks.
It is known that training in MNN and also in INN and FNN are time consuming because these models depend upon the number of nodes in the hidden layer and convergence of the weights during training. As such, single layer Functional Link Neural Network (FLNN) with multiinput and multioutput model has also been proposed to solve the system identification problems for the first time. It is worth mentioning that, single input single output FLNN had been proposed by previous authors. In FLNN, the hidden layer is replaced by a functional expansion block for enhancement of the input patterns using orthogonal polynomials such as Chebyshev, Legendre and Hermite, etc. The computations become more efficient than the traditional or classical multilayer neural network due to the absence of hidden layer. FLNN has also been used for structural response prediction of multistorey shear buildings subject to earthquake ground motion. It is seen that FLNN can very well predict the structural response of different floors of multistorey shear building subject to earthquake data. Comparison of results among Multi layer Neural Network (MNN), Chebyshev Neural Network (ChNN), Legendre Neural Network (LeNN), Hermite Neural Network (HNN) and desired are considered and it is found that Functional Link Neural Network models are more effective and takes less computation time than MNN.
In order to show the reliability, efficacy and powerfulness of INN, FNN and FLNN models variety of problems have been solved here. Finally FLNN is also extended to interval based FLNN which is again proposed for the first time to the best of our knowledge. This model is implemented to estimate the uncertain stiffness parameters of a multistorey shear building. The parameters are identified here using uncertain response of the structure subject to ambient and forced vibration with interval initial condition and horizontal displacement also in interval form.
First, the system is represented by the TS fuzzy model.
Mizutani, NeuroFuzzy and Soft Computing, PrenticeHall of India, 2002.
[6] Pal, S.K, "Fuzzy sets in image processing and recognition", IEEE International Conference on Fuzzy Systems, pp.
The purpose of this paper is to explore the reviews for various optimization methods used for process parameter optimization of FDM process and application of Taguchi approach and Artificial neural network (ANN).
Key words: Fused Deposition Modeling (FDM), Optimization, Taguchi approach and ANN
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Neural Network Thesis  Artificial Neural Network Thesis
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Artificial Neural Network Thesis Topics

An Application Research of Fuzzy Neural Network Used …
(2017) Interval and Fuzzy Computing in Neural Network for System Identification Problems. PhD thesis.

Wavelet Fuzzy Neural Network With Function Controller
A back propagation neural networkbased classifier was developed to identify the unknown grain types.

CMAC neural network fuzzy control  IEEE Xplore …
A Neural Network is used to estimate the actual power system condition that improves the protection system selectivity.
Interval and Fuzzy Computing in Neural Network for …
By using LabVIEW developing software which based on computer visual virtual instrumentation to program the Virtual Instruments with traditional instruments functions.
Key words: Electronic measurement technology; LabVIEW; Virtual Instrumentation; PowerPoint;
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In this thesis simple feed forward neural network ..
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[6] Hasan Oktem, Tuncay Erzurumlu, Fehmi Erzincanil, "Prediction of minimum surface roughness in end milling mold parts using neural network and geneticalgorithm", Materials and Design, Vol.27, (2006), pp 735744.
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Research on the Dynamic Fuzzy Neural Network …
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Birge phd thesis neural networks: ..
We bring out the Ant colony Optimization (ACO), a behavior under Ant network in InLine dot Routing which is used to find the shortest path and the correct path of the server and alsoprovides solutions for getting response without reaching the server and data delivery.
Key words: Ant Network in InLine dot Routing (ANILR), Ant Colony Optimization (ACO), Roaming Agent Informers (RAI), Path Detectors (PD) Better Optimization Routing Process (BORP).
Reference
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