نتایج جستجو برای: equilibrium point stability
تعداد نتایج: 917064 فیلتر نتایج به سال:
ARELLANO, C. J., C. S. LAYNE, D. P. O’CONNOR, M. SCOTT-PANDORF, and M. J. KURZ. Does Load Carrying Influence dynamical system analysis to investigate the effect of carrying external loads on the stability of the locomotive system and sagittal plane kinematics. We hypothesized that carrying an additional load at the waist would 1) decrease the dynamic stability of the locomotive system and 2) ca...
⎯The problem of the global exponential stability of a class of Hopfield neural networks is considered. Based on nonnegative matrix theory, a sufficient condition for the existence, uniqueness and global exponential stability of the equilibrium point is presented. And the upper bound for the degree of exponential stability is given. Moreover, a simulation is given to show the effectiveness of th...
This note deals with the constant control problem for homogeneous cooperative and irreducible systems. These systems serve as models for positive systems. A necessary and sufficient condition for global asymptotic stability of the zero solution of this class of systems is known. Adding a constant control allows to shift the equilibrium point from zero to a point in the first orthant. We prove t...
in this paper, first we discuss a local stability analysis of model was introduced by p. j. mumby et. al. (2007), with $frac{gm^{2}}{m+t}$ as the functional response term. we conclude that the grazing intensity is the important parameter to control the existence or extinction of the coral reef. next, we consider this model under the influence of the time delay as the bifurcat...
this paper is concerned with global analysis of a delay sveir epidemiological model in a population of varying size. by using lyapunov stability method and lasalle’s invariance principle for delay systems, we prove that when there is no endemic equilibrium, the disease free equilibrium is globally asymptotically stable, otherwise the endemic equilibrium is globally stable.
We consider the planar pendulum with support point oscillating in the vertical direction, and we study its motion around the equilibrium point corresponding to the upside-down position. We prove that the equilibrium point is stable for the projection of the motion on the pendulum phase space (for a full measure subset of the stability region of the linearized system inside the two-dimensional s...
In this paper, we study a phase-space analysis of a mathematical model of tumor growth with an immune response. Mathematical analysis of the model equations with multipoint initial condition, regarding to dissipativity, boundedness of solutions, invariance of non-negativity, nature of equilibria, local and global stability will be investigated. We study some features of behavior of one three-di...
We will prove the equivalence of three methods, so called energy methods, for establishing the stability of an equilibrium point for a dynamical system. We will illustrate through examples that this result simplifies enormously the amount of computations especially when the stability can not be decided with one of the three methods.
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