dbp for continuous time dynamic neural networks ct dnns

Ngày tải lên: 03/09/2012, 15:54

... Discrete -Time Dynamic Forward Propagation (DT-DFP) 10.4 Dynamic Backpropagation (DBP) for ContinuousTime Dynamic Neural Networks (CT- DNNs) 10.4.1 General Representation of Network Models 10.4.2 DBP ... be useful in forming neural architectures In Chapter 9, using some of these continuoustime dynamic neural units (CT- DNUs) with feedback connections, dynamic neural networks (DNNs) are introduced ... General Form of Hopfield DNN 9.3 Hopfield Dynamic Neural Networks (DNNs) as Gradient-like Systems 9.4 Modifications of Hopfield Dynamic Neural Networks 9.4.1 Hopfield Dynamic Neural Networks...

Ngày tải lên: 03/06/2014, 02:13

... [6] L O Chua, CNN: A Paradigm for Complexity, World Scientific, Singapore, 1998 [7] M W Hirsch, “Convergent activation dynamics in continuous time networks, ” Neural Networks, vol 2, no 5, pp 331–349, ... function φ(x(t)), t ≥ 0, is absolutely continuous on any compact interval in [0, +∞), since it is the composition of a continuously differentiable function φ and an absolutely continuous function ... E S´ nchez-Sinencio, “Current-mode techniques a for the implementation of continuous- and discrete -time cellular neural networks, ” IEEE Transactions on Circuits and Systems II, vol 40, no 3,...

Ngày tải lên: 21/06/2014, 22:20

... extension to H2 or H∞ performance for discrete -time systems can be found in In the continuous- time system case, Ebihara and Hagiwara presented new dilated LMIs formulation for H2 and D-stability ... BiT DiT −γ I for a scalar r > Thereby, robust control performance of uncertain continuous- time systems is guaranteed by a parameter-dependent Lyapunov function, which is constructed as N P a ... before not only for H∞ norm computation but also state-feedback design of linear continuous- time systems with polytopic-type uncertainty We can conjecture that this approach may be useful for...

Ngày tải lên: 21/06/2014, 22:20

... functions ϕj , ϕk are called activation functions which are continuously differentiable The activation functions commonly used in feed-forward neural networks are described below: Logistic function ... linear-threshold activation function Unlike feed-forward neural networks, recurrent neural networks (RNN) are described by a system of differential equations that define the exact evolution of the model dynamics ... architectural perspective, neural networks can be categorized into either feedforward or recurrent networks As their names suggest, a feedforward network processes information or signal flow strictly in a...

Ngày tải lên: 14/09/2015, 14:13

... ”A continuous time parameter stochastic process which possesses the Markov property and for which the sample paths Xt are continuous functions of t is called a diffusion process.” Generally continuous- time ... weight function satisfying π(x)dx = and (3.23) π (x)dx < ∞, for example simple function Let γ(x) be a random process with x ∈ S Denote γ(x) = o˜p (δn ) for the fact that sup |γ(x)| = op (δn ) for a ... thesis For easy reference, from now the marginal density function and the transition density function for a diffusion process described in (1.1) are denoted as f (·, θ) and pθ (·, ·|·, ·) respectively...

Ngày tải lên: 07/10/2015, 10:10

... stabilization for a class of nonautonomous cellular neural networks with time- varying delays The system under consideration is subject to time- varying coefficients with various activation functions ... and sometimes vary violently with respect to time due to the finite switching speed of amplifiers and faults in the electrical circuitry Therefore, stability analysis of delayed neural networks ... artificial neural systems, time delays due to integration and communication are ubiquitous, and often become a source of instability The time delays in electronic neural networks are usually time- varying,...

Ngày tải lên: 26/10/2015, 14:08

... anti-periodic solutions for a class of generalized neural networks with impulses and arbitrary delays This class of generalized neural networks include many continuous or discrete time neural networks such ... type neural networks, cellular neural networks, Cohen-Grossberg neural networks, and so on To the best of our knowledge, the known results about the existence of anti-periodic solutions for neural ... t2 , , tq } For each interval I of R, we denote that T ∩ 0, ∞ IT I ∩ T, especially, we denote that T System 1.1 includes many neural continuous and discrete time networks 1–9 For examples,...

Ngày tải lên: 21/06/2014, 07:20

... neural networks can be classified as either continuous or discrete Recently, there has been a somewhat new category of neural networks which are neither purely continuous- time nor purely discrete -time ... discrete -time ones, these are called impulsive neural networks This third category of neural networks displays a combination of characteristics of both the continuous- time and the discrete systems [13] Impulses ... point for impulsive BAM neural networks with time- varying delays and reactiondiffusion terms, without assuming the boundedness, monotonicity, and differentiability on these activation functions...

Ngày tải lên: 22/06/2014, 19:20

... part of the data for training artificial neural networks (500 BCG cycles 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 ... data for training and testing the system On the other hand, in this study there were no excluded subjects for testing and we used the same subjects for both training and testing the MLP and RBF neural ... subject belongs, it would have classified every subject correctly This means that more than 50% of the BCG cycles for every subject were always in the right class when BCG cycles were selected...

Ngày tải lên: 22/06/2014, 23:20

... vectors for each network have been studied In particular, the vector v is available for the WV transform and is called vW , whereas it is vC for the CW transform NUMERICAL RESULTS In this section, ... signal source, as will be explained in the next section The chosen networks are feed forward back-propagation neural networks (FFBPNN) and support vector machines (SVMs) An FFBPNN is trained by the ... definition of the SDR forum, “SDR is a collection of hardware and software technologies that enable reconfigurable system architectures for wireless networks and user terminals” (www.sdrforum.org) In...

Ngày tải lên: 23/06/2014, 01:20

... neural networks (ANN) and fuzzy neural (FN) systems An overview of these two approaches follows in the next section 16.2.1 Neural Networks Model Several learning methods have been developed for ... industries to reduce manufacturing costs by eliminating the relatively inefficient off-line quality control aspect of surface roughness inspection Therefore, reductions in manufacturing costs will increase ... 16 Neural Networks and Neural- Fuzzy Approaches in an In-Process Surface Roughness Recognition System for End Milling Operations 16.1 16.2 16.3 16.4 Joseph C Chen Iowa State University Introduction...

Ngày tải lên: 23/01/2014, 01:20

... c5330 )C&BX 3U ¤Ž x 0N0 ^1N y ^2N y ^12 y x 02 x 01 Input Vector ^11 y ^3N y ^22 y ^21 y Hidden layers ^32 y ^31 y Output Vector Q  u¦)$AB5&$&(‘¤2d m h)7U&qsAyA0  — E '!0 %#P!# % @' i ... "edbEApchGEgDG&a2f4"edc)Eba9754210)('&$" (h YIX4BW 21T V g3GcD©c%T g'V (3¦ƒUTD V SsIQƒ"8! 7G‚E(HD 2%CBA@947016€8D¦1 5y 4Ct3 '1 21cr0)4('% x#&g% $w'Y)# "2D( g%g% 7c3© ¨C!uts¥ cB¤E¢ q !  v 3¥ A ¥4 r § £ ... 101 d  U G ' E# 10 E 'P 0' E E# @'  E  U#! U 01!# %' S1 C r! S!1 fg6' 23fA5&€fs# f&u3cTI€))5¢E fTh)&Yu5A0 eS 7S„D)7')&$uE 3fA5ƒ(7Sa3F—&5#  $g# d# GP  d  V E  U#! U 0...

Ngày tải lên: 07/03/2014, 13:20

... More formally, we denote f to be the feature function, such that f (j, S) returns a vector of feature instances for state j, S To decide which action is the best for the current state, we perform ... wrong track Dynamic programming turns out to be a great fit for early updating (see Section 4.3 for details) Dynamic Programming (DP) 3.1 Merging Equivalent States The key observation for dynamic ... “abstractions” or (partial) observations of the current state, which is an important intuition for the development of dynamic programming in Section Feature templates are functions that draw information...

Ngày tải lên: 17/03/2014, 00:20

... threshold function, however, corresponds to a very limited form for y ( x ; w ) , and for most practical applications we need to consider much more flexible functions The importance of neural networks ... treatment of neural networks from a Bayesian perspective As well as providing a more fundamental view of learning in neural networks, the Bayesian approach also leads to practical procedures for assigning ... therefore unaffected by monotonic transformations of the discriminant functions Discriminant functions for two-class decision problems are traditionally written in a slightly different form Instead...

Ngày tải lên: 24/04/2014, 14:04

... to demonstrate a new neural network Before I show you how to create a neural network in Encog, it is important to understand how a neural network works Nearly all neural networks contain layers ... tangent activation function would be more appropriate Encog supports a number of different activation functions, all of which have their unique uses A training object must be created to train the neural ... Comments and Discussions messages have been posted for this article Visit http://www.codeproject.com/Articles/52847/AnIntroduction-to-Encog -Neural- Networks -for- Java to post and view comments on this...

Ngày tải lên: 28/04/2014, 10:10

... 4.9 Introduction The main steps of modeling Black box model structures Neural networks Static neural network architectures Dynamic neural architectures Model parameter estimation, neural network ... monitoring Condition monitoring of rolling bearings Neural networks in manufacturing Neural networks for bearing fault diagnosis Conclusions Neural Networks for Measurement and Instrumentation in Robotics, ... accuracy Neural networks are able to analyze biomedical signals, e.g., in electrocardiogram, encephalogram, breath monitoring, and neural system Feature extraction and prediction by neural networks...

Ngày tải lên: 03/06/2014, 01:04

... http://www.archive.org/details/electrodynamicmaOOhousuott BY THE SAME AUTHORS Elementary Electro -Teclinical Series COMPRISINQ Alternating Electric Currents Electric Heating Electromagnetism Electricity in Electro-Therapeutics ... Electro-Therapeutics Electric Arc Lighting Electric Incandescent Lighting Electric Motors Electric Street Railways Electric Telephony Electric Telegraphy Price per Volume, Cloth, $1.00 Electro -Dynamic Machinery ... Motor-Dynamos, • • » 318 ELECTRO -DYNAMIC MACHINERY FOR CONTINUOUS CURRENTS CHAPTER I GENERAL PRINCIPLES OF DYNAMOS I By electro -dynamic machinery designed for the production, is meant any apparatus...

Ngày tải lên: 04/06/2014, 12:30

... 2000 Mathematics Subject Classification: 39A10 t∈T Keywords: Hamiltonian dynamic system; Lyapunov-type inequality; Floquet theory; stability; time scales Introduction A time scale is an arbitrary ... nω ∈ T for all t ∈ T and n ∈ Z, then we call T a periodic time scale with period ω Suppose T is a ω-periodic time scale and ∈ T Consider the polar linear Hamiltonian dynamic system on time scale ... λ-stability zone for linear discrete time Hamiltonian a systems, in Proc fourth Int Conf on Dynamical Systems and Differential Equations, Wilmington NC, May 24–27, 2002, (Discrete and Continuous Dynamical...

Ngày tải lên: 18/06/2014, 22:20