نتایج جستجو برای: bifurcation control

تعداد نتایج: 1347635  

2016
Karima Rabah Samir Ladaci Mohamed Lashab

Based on the bifurcation diagram technique, this paper analyses the stabilization conditions of the nonlinear chaotic Genesio-Tesi system with the use of a fractional order control scheme. Stability analysis is performed for the closedloop nonlinear chaotic system behavior, for the fractional order integral and derivative actions by mean of the bifurcation diagram. Numerical simulation examples...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2013
Yohei Kondo Kunihiko Kaneko Shuji Ishihara

We propose a statistical machine-learning approach to derive low-dimensional models by integrating noisy time-series data from partial observation of high-dimensional systems, aiming to utilize quantitative data on biological phenomena in the cell. In particular, the method estimates a model from data at different values of a bifurcation parameter in order to characterize biological functions a...

Journal: :CoRR 2007
Dawei Ding Jie Zhu Xiaoshu Luo Yuliang Liu

This paper focuses on the delay induced Hopf bifurcation in a dual model of Internet congestion control algorithms which can be modeled as a time-delay system described by a one-order delay differential equation (DDE). By choosing communication delay as the bifurcation parameter, we demonstrate that the system loses its stability and a Hopf bifurcation occurs when communication delay passes thr...

2004
Herbert H. C. Iu Chi K. Tse Octavian Dranga

This paper studies the bifurcation behaviour of a system of coupled buck converters under current-mode control. The effects due to the variation of the reference current are studied. It has been observed that the system exhibits low-frequency bifurcation behaviour while period-doubling at switching frequency is suppressed. Extensive simulations are used to capture the findings. Time-domain wave...

2008
Masoud Yari Jie Shen M. YARI

In this paper I will investigate the bifurcation and asymptotic behavior of solutions of the Swift-Hohenberg equation and the generalized Swift-Hohenberg equation with the Dirichlet boundary condition on a onedimensional domain (0, L). I will also study the bifurcation and stability of patterns in the n-dimensional Swift-Hohenberg equation with the odd-periodic and periodic boundary conditions....

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2001
O Popovych Y Maistrenko E Mosekilde A Pikovsky J Kurths

The transition from fully synchronized behavior to two-cluster dynamics is investigated for a system of N globally coupled chaotic oscillators by means of a model of two coupled logistic maps. An uneven distribution of oscillators between the two clusters causes an asymmetry to arise in the coupling of the model system. While the transverse period-doubling bifurcation remains essentially unaffe...

Journal: :Axioms 2023

The objective of this work was to investigate the dynamics host–parasitoid model with spatial refuge effect. For this, two discrete models were considered under Suppose that a constant population hosts may seek and protection from an attack parasitoids. We found parametric factors affecting existence equilibrium points uniqueness points. A local stability analysis also carried out. Bifurcation ...

2012
Xiaoyuan Chang Junjie Wei X. Chang J. Wei

Abstract. In this paper, we investigated the dynamics of a diffusive delayed predator-prey system with Holling type II functional response and nozero constant prey harvesting on no-flux boundary condition. At first, we obtain the existence and the stability of the equilibria by analyzing the distribution of the roots of associated characteristic equation. Using the time delay as the bifurcation...

Journal: :Entropy 2016
Junhai Ma Fengshan Si

Abstract: This paper studies a continuous Bertrand duopoly game model with two-stage delay. Our aim is to investigate the influence of delay and weight on the complex dynamic characteristics of the system. We obtain the bifurcation point of the system respect to delay parameter by calculating. In addition, the dynamic properties of the system are simulated by power spectrum, attractor, bifurcat...

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