نتایج جستجو برای: impulsive perturbations

تعداد نتایج: 48802  

2008
Jean-Pierre Aubin

An optimization problem for systems that are subject to perturbations where both state observations and control actions are impulsive is here addressed. The dynamics equation is given by a differential inclusion ( ) ( , ( )) x t F t x t ∈ and the optimal strategy is the minimizer of the worst viable perturbation process (minimax). Such formulation is appropriate when noise is barely known but l...

Journal: :Neurocomputing 2013
Yan Wang Chengde Zheng Enmin Feng

This paper investigates a class of mixed recurrent neural networks with time delay in the leakage term under impulsive perturbations. The mixed time-delays consist of both discrete and distributed delays. By using the Lyapunov functional method, linear matrix inequality approach and general convex combination technique, two novel sufficient conditions are derived to ensure the global asymptotic...

2005
XINZHI LIU XUEMIN SHEN YI ZHANG Xinzhi Liu Xuemin Shen Yi Zhang

This paper studies the stability of large-scale impulsive delay differential systems and impulsive neutral systems. By developing some impulsive delay differential inequalities and a comparison principle, sufficient conditions are derived for the stability of both linear and nonlinear large-scale impulsive delay differential systems and impulsive neutral systems. Examples are given to illustrat...

2017
Catherine C Steele Jesseca R A Pirkle Kimberly Kirkpatrick

Impulsive choice is a common charactertistic among individuals with gambling problems, obesity, and substance abuse issues. Impulsive choice has been classified as a trans-disease process, and understanding the etiology of trait impulsivity could help to understand how diseases and disorders related to impulsive choice are manifested. The Western diet is a possible catalyst of impulsive choice ...

2005
Gottfried Haber

Family businesses are an important factor for technological progress and high economic efficiency, determining a significant part of economic strength. At present, inside the European Monetary Union (EMU), there are efforts to reduce public debt to fulfill the criteria imposed by the Stability and Growth Pact (SGP), which are mandatory for members of the Euro zone. Due to these constraints, pub...

1998
Véronique Lecuit Didier Demolin

This paper present a study of the relationship between subglottal pressure (SGP) and intensity of the speech signal in the case of sustained French oral vowels with controlled pitch. The corpus is based on a male and a female subjects, the SGP is measured directly by tracheal puncture. The results show that the relationship between intensity and subglottal pressure varies when one considers the...

2014
Chuanfeng Zhao Yuzhao Wang Qianqian Wang Zhanqing Li Zhien Wang Dong Liu

This paper introduces a new algorithm to detect aerosols and clouds based on micropulse lidar measurements. A semidiscretization processing technique is first used to inhibit the impact of increasing noise with distance. The value distribution equalization method which reduces the magnitude of signal variations with distance is then introduced. Combined with empirical threshold values, we deter...

Journal: :Psychosomatics 2011
Aviva Abosch Akshay Gupte Lynn E Eberly Paul J Tuite Martha Nance Jon E Grant

BACKGROUND Parkinson's disease (PD) is a degenerative brain disorder accompanied by the loss of dopaminergic neurons and the presence of motor and non-motor symptoms. OBJECTIVE We performed a cross-sectional, questionnaire-based analysis of impulsive behavior in our PD clinic population to assess prevalence and associated characteristics. RESULTS We found a higher prevalence of impulsive be...

Journal: :Neurocomputing 2014
R. Rakkiyappan A. Chandrasekar Shanmugam Lakshmanan Ju H. Park

This paper deals with robust exponential stability of Markovian jumping stochastic Cohen–Grossberg neural networks (MJSCGNNs) with mode-dependent probabilistic time-varying delays, continuously distributed delays and impulsive perturbations. By construction of novel Lyapunov–Krasovskii functional having the triple integral terms, the double integral terms having the positive definite matrices d...

ژورنال: دانشور پزشکی 2016
بیرانوند, رامین, دانشجو, عبدالحمید, صاحب الزمانی, منصور,

Background and Objective: Aging has been associated with deterioration in postural control, which manifests itself by an increase in postural sway. The aim of this study was to investigate the relationship between postural sway parameters and used balance recovery strategies in older people in response to sudden perturbations. Materials and Methods: For this purpose, 30 elderly men parti...

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