نتایج جستجو برای: control

تعداد نتایج: 1329043  

Journal: :international journal of smart electrical engineering 0
armaghan rahimi student of islamic azad university central tehran branch fardad farokhi biomedical engineering department, islamic azad university central tehran branch shahram javadi electrical engineering department, islamic azad university central tehran branch

smart home is composed of several controllers with different plants in control. if each controller works independently, without considering the mutual effect of the others in the control process, the whole system could definitely not converge to an optimum desired status and may not ever reach the demanded condition. the function of different controller system may has conflict in some condition...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

Journal: :the international journal of humanities 2014
rezvan motavallian naeini

this paper investigates different kinds of control predicates in persian subjunctive complements. first, it is shown that the obligatory control (oc) constructions syntactically consist of two subtypes exhaustive control (ec) and non-exhaustive control (nec). then building upon jackendoff and culicover (2003) and culicover and jackendoff’s (2005) semantic analysis of control which is devoted to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1386

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...

Journal: :تحقیقات علوم رفتاری 0
عبدالزهرا نعامی نسرین ارشدی محمدرضا غفوری ورنوسفادرانی a noami n arshadi mr ghafouri varnoosfaderani

aim and background: psychological climate perceptions have received considerable attention in the organizational literature and have been used to predict a variety of important individual and organizational outcomes such as job satisfaction, burnout, job involvement, organizational citizenship behavior, psychological empowerment, job control and job performance. the aim of this study was to inv...

Journal: :gas processing 0
mohammad ali fanaei chemical engineering department, engineering faculty, ferdowsi university of mashhad, mashhad, iran shahram zahed rahimi chemical engineering department, engineering faculty, ferdowsi university of mashhad, mashhad, iran

the present sought to draw a comparison between model predictive control performance and two other controllers named simple pi and selective pi in controlling large-scale natural gas transport networks. a nonlinear dynamic model of representative gas pipeline was derived from pipeline governing rules and simulated in simulink® environment of matlab®. control schemes were designed to provide a s...

Journal: :international journal of robotics 0
mohammad ali nekoui k.n. toosi university of technology

this paper proposes a hybrid control scheme for the synchronization of two chaotic duffing oscillator system, subject to uncertainties and external disturbances. the novelty of this scheme is that the linear quadratic regulation (lqr) control, sliding mode (sm) control and gaussian radial basis function neural network (grbfnn) control are combined to chaos synchronization with respect to extern...

Journal: :the modares journal of electrical engineering 2007
asghar akbari froud hossein seyfi ali khaki sedigh

voltage stability may be improved by various control functions. in this paper, it is shown that how high side voltage control (hivc) may be employed for this purpose. two test systems, namely a 22- bus and ieee u8-bus systems are used to demonstrate the proposed tuning strategy for hsvc control parameters.

Journal: :international journal of business and development studies 0

economists were interested in economic stabilization policies as early as the 1930’s but the formal applications of stability theory from the classical control theory to economic analysis appeared in the early 1950’s when a number of control engineers actively collaborated with economists on economic stability and feedback mechanisms. the theory of optimal control resulting from the contributio...

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