نتایج جستجو برای: quantitative feedback theory
تعداد نتایج: 1206710 فیلتر نتایج به سال:
In this paper, an almost new control approach called terminal synergetic control which works based on user defined manifold is applied to a nonlinear helicopter model. Stability analysis is convestigated using Lyapunov stability theory. Synergetic controller is applied to this nonlinear fifth-order helicopter model to control height and angle. Simulation results showed that it has faster and sm...
Introduction: This study was conducted to determine the most importantstrengths and weaknesses of the present evaluation system in Tehran University of Medical Sciences and achieve the main factors to improve this system.Method: It was a mixed method study design in two separate and sequential phases. The first phase was a qualitative step applying a document analysis method to interpret the pr...
The purpose of present study was to design and validate a curriculum model for higher education system in Iran. This study was conducted by using a mixed exploratory design: Instrument Development Model. First, in qualitative part of this study, a questionnaire consisted of 14 components and 107 sub-components was developed by using Grounded Theory approach and interviews with 25 experts. The...
Despite the increasing popularity of error treatment as a research subject, the effect of age as a potential learner-internal factor affecting choice of feedback is largely undertreated. Characterized by being at early stages of self-empowerment, young language learners are considerably vulnerable and in need of particular language input to meet their age-appropriate psychological demands. This...
In this paper, a novel approach for control of the DC-DC buck converter in high-power and low-voltage applications is proposed. Designed method is developed according to state feedback linearization based controller , which is able to stabilize output voltage in a wide range of operation. It is clear that in high-power applications, parasitic elements of the converter may become comparable with...
Background Healthcare organisations in England rated as inadequate in terms of leadership and one other domain enter the Special Measures for Quality (SMQ) regime to receive increased support and oversight. There is also a ‘watch list’ of challenged National Health Service (NHS) providers at risk of going into SMQ that receive support. There is limited knowledge about whether the interven...
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
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