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periodic time-varying systems

Positive periodic solutions for a model of gene regulatory system with time varying coefficients and delays

Positive periodic solutions for a model of gene regulatory system with time varying coefficients and delays

... In order to explain the complex dynamic behavior of genetic regulatory systems, the au- thors of [] presented a model of ordinary differential system for the transcript factors (TFs). Furthermore, taking account ...

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Existence and Stability of Periodic Solution in Impulsive Hopfield Networks with Time-Varying Delays

Existence and Stability of Periodic Solution in Impulsive Hopfield Networks with Time-Varying Delays

... of time, involving such fields as medicine and biology, economics, mechanics, electronics and telecommunications, ...electronic systems, neural networks such as Hopfield neural networks, bidirectional ...

6

Research Article The Research of Periodic Solutions of Time-Varying Differential Models

Research Article The Research of Periodic Solutions of Time-Varying Differential Models

... There are many papers which are devoted to investi- gations of qualitative behavior of solutions of differential systems by help of reflecting functions. V. I. Mironenko and V. V. Mironenko [2–6] combined the ...

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Almost periodic solutions of impulsive Lasota-Wazewska model with multiple time-varying delays on time scales

Almost periodic solutions of impulsive Lasota-Wazewska model with multiple time-varying delays on time scales

... In real world phenomenon, the environment varies due to the factors such as seasonal effects of weather, food supplies, mating habits, harvesting. So it is usual to assume the periodicity of parameters in the ...

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\((\omega ,c)\) Periodic solutions for time varying impulsive differential equations

\((\omega ,c)\) Periodic solutions for time varying impulsive differential equations

... Existence and uniqueness of (ω, c)-periodic solutions for homogeneous problem and non- homogeneous as well as semilinear time varying impulsive differential equations are es- tablished. In a ...

9

Permanence and almost periodic solution of a multispecies Lotka Volterra mutualism system with time varying delays on time scales

Permanence and almost periodic solution of a multispecies Lotka Volterra mutualism system with time varying delays on time scales

... dynamical systems on time scales is now an active area of ...discrete systems are very important in implementation and ...discrete systems respectively. Therefore, it is sig- nificant to study ...

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Periodic solutions for quaternion valued fuzzy cellular neural networks with time varying delays

Periodic solutions for quaternion valued fuzzy cellular neural networks with time varying delays

... with time-varying delays are ...real-valued systems according to Hamilton’s multiplication ...of periodic solutions of QVFCNNs by using the Schauder fixed point theorem and by constructing an ...

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Periodic controllers for linear time-invariant systems

Periodic controllers for linear time-invariant systems

... in periodic control in ...nonlinear, time-varying con­ trollers offer no advantage over LTI controllers in minimizing the induced operator norm of the input/output operator for the standard H°° ...

200

Linear Impulsive Periodic System with Time Varying Generating Operators on Banach Space

Linear Impulsive Periodic System with Time Varying Generating Operators on Banach Space

... Impulsive periodic differential equations serve as basic periodic models to study the dynamics of processes that are subject to sudden changes in their ...impulsive periodic systems with ...

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Dynamical Analysis of Fuzzy Cellular Neural Networks with Periodic Coefficients and Time-varying Delays

Dynamical Analysis of Fuzzy Cellular Neural Networks with Periodic Coefficients and Time-varying Delays

... Economic Systems Simulation, Guizhou University of Finance and Economics, Guiyang, China, where he currently works as a ...nonlinear systems, neural networks, fuzzy differential and fuzzy difference ...

7

Almost periodic solutions for neutral delay Hopfield neural networks with time varying delays in the leakage term on time scales

Almost periodic solutions for neutral delay Hopfield neural networks with time varying delays in the leakage term on time scales

... discrete systems are very important in implementation and ...almost periodic solutions for continuous and discrete systems ...on time scales which can unify the continuous and discrete ...

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Input to state stability for discrete time time varying systems with applications to robust stabilization of systems in power form

Input to state stability for discrete time time varying systems with applications to robust stabilization of systems in power form

... discrete-time time-varying sys- ...discrete-time time-varying periodic systems and have applied this result to solve a discrete-time robust sta- bilization ...

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Existence and Global Exponential Stability of Periodic Solutions for General Neural Networks with Time Varying Delays

Existence and Global Exponential Stability of Periodic Solutions for General Neural Networks with Time Varying Delays

... are constants, the authors of 9 considered the existence and global exponential stability for 1.1 with periodic impulses. The methods used in 9 are Mawhin’s coincidence degree theorem 13 and Lyapunov functions. In ...

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On stability zones for discrete time periodic linear Hamiltonian systems

On stability zones for discrete time periodic linear Hamiltonian systems

... where systems with such structure are defined as discrete-time Hamiltonian; in fact this follows from several of their properties which in the continuous-time case are known as characterizing Hamil- ...

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Finite time stability of linear non autonomous systems with time varying delays

Finite time stability of linear non autonomous systems with time varying delays

... realistic systems; for instance, when considering a long-term dynamical behavior of the system, the parameters of the system usually change along with time ...non-autonomous systems usually requires ...

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H? Control of Discrete time Uncertain Periodic Systems with Delays

H? Control of Discrete time Uncertain Periodic Systems with Delays

... discrete-time systems have been considered and sufficient conditions has been derived in terms of Linear Matrix Inequalities in [4] for instance or in terms of modified Riccati inequalities in ...

7

Periodic solutions of nonlinear finite difference systems with time delays

Periodic solutions of nonlinear finite difference systems with time delays

... of periodic- parabolic systems with time delays and with nonlinear boundary conditions in a bounded domain is ...minimal periodic solutions of coupled system of finite difference equations ...

8

H∞ Finite Time Control for Switched Linear Systems with Time Varying Delay

H∞ Finite Time Control for Switched Linear Systems with Time Varying Delay

... switched systems with time-varying ...linear systems with time-varying delay, which is an important property for switched ...

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Periodic Solutions of Cohen Grossberg Type BAM Neural Networks with Time Varying Delays

Periodic Solutions of Cohen Grossberg Type BAM Neural Networks with Time Varying Delays

... with time delays have been widely investigated and success- fully applied to signal processing ...of periodic oscillatory solution is very important in learning theory [1,2], which is motivated by the fact ...

5

A Comparison of Evolutionary Algorithms for Tracking Time Varying Recursive Systems

A Comparison of Evolutionary Algorithms for Tracking Time Varying Recursive Systems

... of time-varying problem. On slowly varying systems, for example, a more or less conventional EA provided good ...scale time variations, the wider ranging search of the ran- dom ...

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