نتایج جستجو برای: stabilization

تعداد نتایج: 51253  

2015
Andreas Koutsopoulos Christian Scheideler Thim Strothmann

A fundamental problem for overlay networks is to safely exclude leaving nodes, i.e., the nodes requesting to leave the overlay network are excluded from it without affecting its connectivity. There are a number of studies for safe node exclusion if the overlay is in a well-defined state, but almost no formal results are known for the case in which the overlay network is in an arbitrary initial ...

2000
Judith Vancostenoble

We recall a previous general result of weak stabilization for an abstract second order evolution equation damped by a nonlinear nonmonotone feedback. We apply it to deduce strong stabilization of hybrid systems without global monotonicity.

Journal: :SIAM Journal of Applied Mathematics 2014
Theodore Kolokolnikov Juncheng Wei Adam Alcolado

Recently, Wang and Hillen [Chaos 17 (3) (2007) 037108–037108] introduced a modified Keller-Segel model with logistic growth that exhibits complex spatiotemporal dynamics of spikes. These dynamics are driven by merging of spikes on one hand, and spike insertion on the other. In this paper we analyse the basic mechanisms that initiate and sustain these events. We identify two distinguished regime...

1997
Gia Dvali Zurab Kakushadze

Dilaton stabilization may occur in a theory based on a single asymptotically free gauge group with matter due to an interplay between quantum modification of the moduli space and tree-level superpotential. We present a toy model where such a mechanism is realized. Dilaton stabilization in this mechanism tends to occur at strong coupling values unless some unnatural adjustment of parameters is i...

Urban development is rapidly expanding across the globe and is a major driver of environmental change. It is important to understand how bird species responds to urbanization. Therefore I conducted a qualitative study of birds associated with waste sites such as dumpsite and sewage stabilization ponds was carried out on Moshi municipal. The study assessed the diversity between dumpsite and sewa...

اکبری , محمد, بهتاش , حمید, تقی پور , محمد, جوادیان , یحیی, ذکاوت , هاجر,

Introduction: Lumbar segmental instability is one of the subgroups of non specific chronic low back pain and it seems that 30-40% of patients with LBP suffer from lumbar segmental instability. Pain intensity, functional disability and reduced muscle endurance are common in such patients. The aim of this study was to evaluate the effects of stabilization exercise on pain, functional disability...

2006
Alain Cournier Stéphane Devismes Vincent Villain

A snap-stabilizing protocol, starting from any arbitrary initial configuration, always behaves according to its specification. In this paper, we propose a light semi-automatic method allowing to snap-stabilize selfstabilizing wave protocols for arbitrary networks with a unique initiator. To that goal, we consider such a self-stabilizing protocol . We then slightly update to obtain a protocol th...

2013
Amy R. Wu Arthur D. Kuo

To study human lateral stabilization strategies, we developed a simple model using pendulums and a momentum wheel representing human appendages, and we recorded appendage data from 7 subjects during one-legged standing. We demonstrated that simple pendulum models can explain some of the strategies employed by humans to stabilize and that the basic strategy people employ to stabilize themselves ...

2017
T. M. Maupong

Our contribution in this paper is twofold. In the first part, we study Lyapunov functions when a plant is interconnected with a dissipative stabilizing controller. In the second, we present results on data-driven approach to dissipative systems. In particular, we provide conditions under which an observed trajectory can be used to determine whether a system is dissipative with respect to a give...

Journal: :journal of research in rehabilitation sciences 0
شهره تقی زاده فرحناز غفاری نژاد فرحناز امامی طاهره ایمانی فرد سیده الهام حسینی shohreh taghizadeh

introduction: spinal malalignment is a common problem in the present societies and forward head posture is one of the most common dysfunction in cervical region. the purpose of the present study is to evaluate effect of stabilization exercises in improving of forward head posture. materials and methods: twenty six female students with forward head posture in age range of 20-27 years old partici...

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