نتایج جستجو برای: delay analysis

تعداد نتایج: 2926377  

Journal: :Journal of Construction Engineering and Management 2008

Journal: :Oil & Gas Science and Technology 2002

Journal: :Computers & Mathematics with Applications 1997

This paper is concerned with delay-dependent exponential stability analysis and stabilization for continuous-time T-S fuzzy Markovian jump systems with mode-dependent time-varying delay. By constructing a novel Lyapunov-Krasovskii functional and utilizing some advanced techniques, less conservative conditions are presented to guarantee the closed-loop system is mean-square exponentially stable....

Journal: :journal of craniomaxillofacial research 0
katayoun sargeran department of community dentistry, school of dentistry, tehran university of medical sciences, tehran, iran

introduction :  despite  recent  advances  in  treatment  of  oral  cancer,  it  still causes high rates of mortality and morbidity worldwide. delays in diagnosis and treatment of these cancers greatly affect the prognosis.  this study aimed to assess the treatment delay and its relation to diagnostic delay among oral cancer patients in tehran, iran. materials and methods : we studied 100 patie...

Journal: :iranian journal of fuzzy systems 0
jiaxian wang school of mathematics and statistics, xidian university, xi'an, 710071, china junmin li school of mathematics and statistics, xidian university, xi'an, 710071, china

in this paper, a new t-s fuzzy hyperbolic delay model for a class of nonlinear systems with time-varying delay, is presented to address the problems of stability analysis and feedback control. fuzzy controller is designed based on the parallel distributed compensation (pdc), and with a new lyapunov function, delay dependent asymptotic stability conditions of the closed-loop system are derived v...

In this work, the design and analysis of new Level Shifter with Gate Driver for Li-Ion battery charger is proposed for high speed and low area in 180nm CMOS technology. The new proposed level shifter is used to raise the voltage level and significantly reduces transfer delay 1.3ns (transfer delay of conventional level shifter) to 0.15ns with the same input signal. Also, the level shifter with g...

Journal: :archives of breast cancer 0
iraj harirchi department of surgery, tehran university of medical sciences, tehran, iran mojgan karbakhsh department of community and preventive medicine, tehran university of medical sciences, tehran, iran fatemeh hadi school of medicine, tehran university of medical sciences, tehran, iran seyyedeh sedigheh madani school of medicine, tehran university of medical sciences, tehran, iran fereydoun sirati department of surgery, tehran university of medical sciences, tehran, iran shadi kolahdoozan digestive diseases research center, shariati hospital, tehran university of medical sciences, tehran, iran

background: the purpose of this study was to compare patient delay, diagnosis delay and treatment delay in breast cancer patients of selected public and private health centers in tehran, iran. methods: in this cross-sectional study, female patients with newly diagnosed breast cancer in a public medical complex and a private breast clinic within one year were included. patient delay was consider...

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