Results 121 to 130 of about 14,850 (259)
Fractal and FractionalIn this paper, we study a system of nonlinear tempered fractional differential equations with multi-point coupled boundary conditions. By applying the properties of Green’s function and the operator and combining the method of matrix analysis, we obtain ...
Hailong Ma, Hongyu Li
doaj +1 more source
Energy Conversion and Economics, EarlyView.Abstract Fast oscillations observed in wind farms and other renewable energy systems interfaced with power grids must be addressed promptly to prevent devastating shutdown and damage. Existing approaches mainly target high‐magnitude oscillations using data‐intensive convolutional neural networks (CNNs), leading to delayed detection and overlooking mild
Shyam Yathirajam +8 more
wiley +1 more source
New approaches on adaptive stabilization for uncertain systems subject to multiple time delays
AIP AdvancesThis paper explores the stabilization issue of uncertain systems subject to multiple time delays under adaptive robust control. Without imposing matching constraints on uncertain system parameter matrices, an adaptive robust controller is utilized to ...
Sirui Zhu
doaj +1 more source
Input-to-Output Stability for Stochastic Complex Networked Control Systems
AxiomsIn this article, input-to-output stability (IOS) for stochastic complex networked control systems (SCNCS) is investigated. By applying Kirchhoff’s matrix tree theorem in graph theory, an appropriate Lyapunov function is established which is related to ...
Xuexin Li, Shang Gao
doaj +1 more source
On computing minimal realizations of periodic descriptor systems
, 2007 : We propose computationally efficient and numerically reliable algorithms to compute minimal realizations of periodic descriptor systems. The main computational tool employed for the structural analysis of periodic descriptor systems (i.e., reachability
Andras Varga, Varga, Andreas
core +1 more source
Renormalization techniques for inflation systems and some of their applications
Acta Crystallographica Section A, EarlyView.In this work, renormalization methods for quantities related to the diffraction of inflation systems are surveyed.Exact renormalization techniques are important and powerful, particularly for inflation‐generated systems. We review recent results in this direction.
Michael Baake +4 more
wiley +1 more source
Lyapunov-Sylvesters operators for (2+1)-Boussinesq equation
Electronic Journal of Differential Equations, 2016 This article studies a technique for solving a two-dimensional Boussinesq equation discretized using a finite difference method. It consists of an order reduction method into a coupled system of second-order equations, and to formulate the fully ...
Abdelhamid Bezia +2 more
doaj
ADI preconditioned Krylov methods for large Lyapunov matrix equations
, 2010 In the present paper, we propose preconditioned Krylov methods for solving large Lyapunov matrix equations AX+XAT+BBT=0. Such problems appear in control theory, model reduction, circuit simulation and others. Using the Alternating Direction Implicit (ADI)
Jbilou, K.
core +1 more source
Miners' Reward Elasticity and Stability of Competing Proof‐of‐Work Cryptocurrencies
International Economic Review, EarlyView.ABSTRACT Proof‐of‐Work cryptocurrencies employ miners to sustain the system through algorithmic reward adjustments. We develop a stochastic model of the multicurrency mining and identify conditions for stable transaction speeds. Bitcoin's algorithm requires hash supply elasticity <$<$1 for stability, while ASERT remains stable for any elasticity and ...
Kohei Kawaguchi +2 more
wiley +1 more source
Positive real control of two-dimensional systems: Roesser models and linear repetitive processes
, 2003 This paper considers the problem of positive real control for two-dimensional (2-D) discrete systems described by the Roesser model and also discrete linear repetitive processes, which are another distinct sub-class of 2-D linear systems of both systems ...
Owens, D H +8 more
core +1 more source