نتایج جستجو برای: chaotic system

تعداد نتایج: 2245639  

2012
CHRISTOS K. VOLOS IOANNIS M. KYPRIANIDIS

In the present work, the chaotic motion control of a mobile robot is studied, in order to cover a terrain with unpredictable way. The proposed control strategy is based on a chaotic path planning generator. As a chaotic generator, we have used three different nonlinear dynamical systems, the Chua oscillator, the Lorenz system, and a nonlinear circuit with a nonlinear resistor having an i-v char...

Journal: :JCP 2012
Wimol San-Um Banlue Srisuchinwong

A new chaotic system is presented using a single parameter for a two-scroll attractor with high complexity, high chaoticity and widely chaotic range. The system employs two quadratic nonlinearities and two piecewiselinear nonlinearities. The high chaoticity is measured by the the maximum Lyapunov Exponent of 0.429 and the high complexity is measured by the Kaplan-Yorke dimension of 2.3004. Dyna...

Journal: :Mathematics and Computers in Simulation 2014
Saptarshi Das Anish Acharya Indranil Pan

Multi-wing chaotic attractors are highly complex nonlinear dynamical systems with higher number of index-2 equilibrium points. Due to the presence of several equilibrium points, randomness and hence the complexity of the state time series for these multi-wing chaotic systems is much higher than that of the conventional double-wing chaotic attractors. A real-coded Genetic Algorithm (GA) based gl...

Journal: :JSW 2013
Zhen Liu Wenxian Xiao Xiali Zhao Wenlong Wan

It is a hard problem to anticipate the dynamic characteristics of non-linear chaotic system. In this paper, based on a stability theorem proved for linear chaotic systems, a scheme for anticipating synchronization of chaotic system is proposed. This paper investigate the synchronization between the receiver system and the future state of a transmitter system for an arbitrarily long anticipation...

2007
Yongguang Yu Ji-Huan He

Based on Lyapunov stability theory and matrix measure, this paper presents a new generic criterion of global chaotic synchronization for bidirectional coupled chaotic system with time-delay. A new chaotic system with four-scroll attractor is chosen as an example to verify the effectiveness of the criterion. Numerical simulation are shown for demonstration. 2006 Published by Elsevier Ltd.

2011
Edward Ott

In this paper we consider a new type of bifurcation to chaotic motion. This bifurcation is characterized by the simultaneous appearance of a pair of unstable fixed points or periodic orbits, a, fractal (i.e., nondifferentiable) basin boundary, and a chaotic attractor (also commonly called a strange attractor). Just prior to this type of bifurcation, transient behavior with a chaotic character c...

S Rahmanian Sh Hosseini Hashemi,

The impetus of this study is to investigate the chaotic behavior of a size-dependent nano-beam with double-sided electrostatic actuation, incorporating surface energy effect and intermolecular interactions. The geometrically nonlinear beam model is based on Euler-Bernoulli beam assumption. The influence of the small-scale and the surface energy effect are modeled by implementing the consistent ...

Journal: :international journal of environmental research 0
s. farzin faculty of water engineering, department of civil engineering, university of tabriz, tabriz, iran p. ifaei faculty of water engineering, department of civil engineering, university of tabriz, tabriz, iran n. farzin faculty of electrical and computer engineering, university of tehran, tehran, iran y. hassanzadeh faculty of water engineering, department of civil engineering, university of tabriz, tabriz, iran m.t. aalami faculty of water engineering, department of civil engineering, university of tabriz, tabriz, iran

chaos theory discusses unstable and non-periodic behavior of non-linear fluctuating dynamicsystems. since evaporation level variations of lakes have a dynamic identity, chaos theory can have a uniquerole in collecting data of these variations. therefore it is an important and challenging problem in the field ofplanning and qualitative and quantitative management of urmia lake to verify whether ...

2015
Junyi Liang Jianlong Zhang Hu Zhang Chengliang Yin

This paper presented a parallel hybrid electric vehicle (HEV) equipped with a hybrid energy storage system. To handle complex energy flow in the powertrain system of this HEV, a fuzzy-based energy management strategy was established. A chaotic multi-objective genetic algorithm, which optimizes the parameters of fuzzy membership functions, was also proposed to improve fuel economy and HC, CO, an...

Journal: :journal of advances in computer research 0
firozeh razavi department of management and economics, science and research branch, islamic azad university, tehran, iran faramarz zabihi department of computer engineering, sari branch, islamic azad university, sari, iran mirsaeid hosseini shirvani department of computer engineering, sari branch, islamic azad university, sari, iran

neural network is one of the most widely used algorithms in the field of machine learning, on the other hand, neural network training is a complicated and important process. supervised learning needs to be organized to reach the goal as soon as possible. a supervised learning algorithm analyzes the training data and produces an inferred function, which can be used for mapping new examples.  hen...

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