نتایج جستجو برای: model control

تعداد نتایج: 3220271  

Journal: :Journal of Computing and Information Technology 2006

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1388

two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...

Journal: :iranian journal of allergy, asthma and immunology 0
changbiao chen department of respiratory, affiliated tongji hospital of tongji medical college, huazhong university of science and technology, wuhan 430030 and department of respiratory, hannan district people's hospital of wuhan, wuhan 430030, china. ran wang department of respiratory, the first affiliated hospital of anhui medical university, hefei 230001, china. sijing zhou department of occupational medicine, third people's hospital of hefei, hefei 230001, china. jianping zhao department of respiratory, affiliated tongji hospital of tongji medical college, huazhong university of science and technology, wuhan 430030, china. yongjian xu department of respiratory, affiliated tongji hospital of tongji medical college, huazhong university of science and technology, wuhan 430030, china.

bronchial asthma is the common chronic inflammatory disease and is characterized by chronic airway inflammation, airway remodeling, and airway hyperreactivity (ahr). aim of this study was to investigate the effects of mitochondrial atp-sensitive potassium channels (mitokatp) on the proliferation and secretion of human airway smooth muscle cells (hasmcs). hasmcs were treated with the serum from ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

the purpose of this study was to investigate the impact of blended learning and multimedia softwares on iranian efl students vocabulary learning. in addition, the present study tried to examine the extent to which multimedia softwares can be applied into efl classes in iran. it also attempted to find out students attitudes toward using these softwares. to this end, 87 iranian efl learners at el...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
ابوالفضل شایان کارشناس ارشد دانشگاه تهران داود حومنیان استادیار دانشگاه تهران حسین عابدینی پاریزی کارشناس ارشد دانشگاه تهران جمال فاضل کلخوران استادیار دانشگاه تهران

the aim of this study was to determine the interactional effects of various video shows (skilled and self-model) and feedback type on performance and learning of dart throwing skill. 90 volunteers were randomly divided into 6 groups including self-control, experimenter control and yoked feedback that received either skilled model or self-model. three groups who watched the skilled model observe...

Journal: :Energies 2021

The control performance of the finite set model predictive current (FCS-MPCC) for interior permanent magnet synchronous machine (IPMSM) depends on accuracy mathematical model. A novel robust method based error compensation is proposed in order to reduce parameter sensitivity and improve robustness. In this method, equivalent parameters are obtained from known voltage information at past time be...

Journal: :the modares journal of electrical engineering 2012
mohsen rakhshan mohammad mehdi mardani mokhtar shasadeghi mohammad mardaneh

in this paper, stabilization conditions and controller design for a class of nonlinear systems are proposed. the proposed method is based on the nonlinear feedback, quadratic lyapunov function and heuristic slack matrices definition. these slack matrices in null products are derived using the properties of the system dynamics. based on the lyapunov stability theorem and sum of squares (sos) dec...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1389

اثر افزایش مقادیر کم از خاک رس (کلی) اصلاح شده (کلویزیت b??) و پلی ال بازیافتی روی تخریب گرمایی از پلی یورتان نرم، به وسیله تجزیه حرارتی دینامیک (غیرهم دما) در سه سرعت گرمادهی (0c min-1 ?? و?? ،?/?) در اتمسفر نیتروژن بررسی شده بود. روش های isoconversional (model – free) (شامل روش های فلاین، وال و ازاوا (fwo)، کیسینجر، آکاهیرا و سانوز(kas) و تانگ (tang)) و model – fitting (روش های کوتس و ردفر...

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