نتایج جستجو برای: grade control structure
تعداد نتایج: 2861519 فیلتر نتایج به سال:
Dean of the Graduate College ii PREFACE The methodology of variable structure with sliding mode is proven to be very successful in controlling uncertain continuous-time dynamical systems. When the system is sampled or purely discrete, the invariance property of sliding mode, which is originally a continuous-time concept, no longer hold and the reaching condition has to be modiied to allow a pse...
OBJECTIVES Deficient microvascular blood flow control is thought to cause tumor hypoxia and increase resistance to therapy. In glioma patients, we tested whether perfusion-weighted MRI (PWI) based indices of microvascular flow control provide more information on tumor grade and patient outcome than does the established PWI angiogenesis marker, cerebral blood volume (CBV). MATERIAL AND METHODS...
BACKGROUND Although the relationship between body weight and blood pressure (BP) is well established, there is a lack of data regarding the impact of obesity on the prevalence of hypertension in primary care practice. The objective of this study was to assess the prevalence of hypertension and the diagnosis, treatment status, and control rates of hypertension in obese patients as compared to pa...
conclusions it seems that surrogate liver function tests and adipocytokine levels were correlated with the histologic findings of the liver. objectives the aim of the study was to evaluate the correlation between serum adipocytokines and the histologic findings of the liver in patients with non-alcoholic fatty liver disease (nafld). patients and methods this case-control study was performed on ...
The control configuration problem is discussed. A new algorithm is outlined which gives suggestion on feedback and feedforward control structure given a SISO control loop and some extra measurements. The algorithm is based on simple experiments and leads to a model of the process as a directed graph. The method is illustrated on a few common industrial control problems. Copyright c & 2000 IFAC
The aim of this study was to examine the effectiveness of group counseling with a rational, emotional and behavioral approach on correcting false beliefs and impulsivity reduction among seventh-grade boy students. The research method was experimental using pre-test and post-test with control group. The study population included all Zahedan city seventh-grade boy students in the school year 2017...
PURPOSE For primary melanomas, tumor thickness, mitotic rate, and ulceration are well-laid cornerstones of prognostication. However, a molecular exposition of melanoma aggressiveness is critically missing. We recently uncovered a four-class structure in metastatic melanoma, which predicts outcome and informs biology. This raises the possibility that a molecular structure exists even in the earl...
The purpose of this study was to investigate the effect of the flipped class approach on math learning of students in multi-grade classes. This research is a quasi-experimental design of pre-test-post-test-follow-up with a control group. After studying and designing educational work, 36 elementary school students studying in two multi-level schools in the academic year 1300-1400 in Kohgiluyeh a...
Puberty coincides with the transition to high school is an important challenge for Sixth-grade students in Iran that can lead to negative emotions such as shame and fear of failure in girls. The aim of this study was to evaluate the effectiveness of Acceptance and Commitment Therapy (ACT) on internalized shame and fear of failure in sixth-grade girls. The present study was a quasi-experimental ...
Consider the generalized control design problem in Figure 1. Here, the objective is to design the controller K, which, based on the measurements y, computes the inputs (MVs) u such that the controlled outputs (CVs) z are kept close to their desired setpoints, in spite of unknown disturbances, varying setpoints and measurement noise(w). However, note that it assumed that we know what to measure ...
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