نتایج جستجو برای: lmi
تعداد نتایج: 2732 فیلتر نتایج به سال:
امروزه در ادبیات اقتصاد هنگامی که صحبت از کنترل مقاوم سامانه های اقتصادی می شود استفاده از دو مفهوم به طور ضمنی در آن فرض شده است. مفهوم اول کنترل بهینه است که به عنوان روش طبیعی برای رسیدن به اهداف این سیستم ها مورد استفاده قرار می گیرد و مفهوم دوم نظریه بازی ها است که در اکثر سیستم های اقتصادی برای مدلسازی استفاده می شود. در این حین توجه اقتصاددانان برای پیشرفت در این حیطه به ابزارهای قدیمی ک...
Background and Purpose—No large-scale study has ever compared the clinical and radiological features of lateral medullary infarction (LMI) and medial medullary infarction (MMI). The aim of this study was to investigate them through the use of cooperatively collected cases. Methods—Medical information on all patients from 1996 to 2000 with medullary infarction (MI) proven by brain MR images at 3...
OBJECTIVES Our goal was to determine the impact of lean mass index (LMI) and body fat (BF) on survival in patients with coronary heart disease (CHD). BACKGROUND An inverse relationship between obesity and prognosis has been demonstrated (the "obesity paradox") in CHD, which has been explained by limitations in the use of body mass index in defining body composition. METHODS We studied 570 c...
This paper focuses on the problem of finite-time boundedness and finite-time passivity of discrete-time T-S fuzzy neural networks with time-varying delays. A suitable Lyapunov--Krasovskii functional(LKF) is established to derive sufficient condition for finite-time passivity of discrete-time T-S fuzzy neural networks. The dynamical system is transformed into a T-S fuzzy model with uncertain par...
Preface Objectives In recent years linear matrix inequalities (LMI's) have emerged as a powerful tool to approach control problems that appear hard if not impossible to solve in an analytic fashion. Although the history of LMI's goes back to the fourties with a major emphasis of their role in control in the sixties (Kalman, Yakubovich, Popov, Willems), only recently powerful numerical interior ...
BACKGROUND & AIMS Lean mass (LM) is an important parameter in clinical outcomes, which highlights the necessity of reliable tools for its estimation. The adductor pollicis muscle thickness (APMT) is easily accessible and suffers minimal interference from the adjacent subcutaneous fat tissue. OBJECTIVE To assess the relationship between the APMT and LM in a sample of Southern Brazilian adults....
Alternative LMI Conditions for Takagi-Sugeno Systems Via Fuzzy Lyapunov Function This paper deals with the stability analysis and control design for continuous Takagi-Sugeno fuzzy systems in a linear matrix inequality (LMI) framework. New LMI stability conditions are obtained by applying a relaxation strategy in a recently proposed fuzzy Lyapunov function. In these new LMI stability conditions,...
The Epstein-Barr virus (EBV)-specific leukocyte migration in hibition (LMI) reaction was used to detect EBV antigens in human tumor biopsies in parallel with nucleic acid hybridization for EBV DNA. None of six EBV DNA-negative tumors gave any significant LMI reaction. Fourteen of 17 EBV DMA-positive tumors gave a significant difference between the migration of leukocytes from EBV-seropositive v...
The Epstein-Barr virus (EBV)-specific leukocyte migration inhibition (LMI) reaction was used to detect EBV antigens in human tumor biopsies in parallel with nuclei acid hybridization for EBV DNA. None of six EBV DNA-negative tumors gave any significant LMI reaction. Fourteen of 17 EBV DNA-positive tumors gave a significant difference between the migration of leukocytes from EBV-seropositive ver...
We consider the problem of stability analysis and control synthesis for first-order hyperbolic linear PDEs over a bounded interval with spatially varying coefficients. We propose LMI-based conditions for the stability and for the design of boundary and distributed control for this class of systems. These LMI-based conditions involve an infinite number of LMI. Hence, we show how to overapproxima...
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