نتایج جستجو برای: control system analysis

تعداد نتایج: 5422436  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده برق و کامپیوتر 1385

جلوگیری از ناپایداری ولتاژ بلند مدت در سیستم های قدرت با بکارگیری کنترل های تصحیحی و اضطراری صورت می گیرد. هدف از کنترل اضطراری، ایجاد نقطه ی تعادل دائمی قابل قبول برای سیستم و کاهش مجموع انحراف اندازه ی ولتاژ باس عای ضعیف و جریان خطوط تغذیه کننده ی ناحیه ی ضعیف در دوره ی گذاری پس از اختلال، با کمترین میزان قطع بار می باشد. در این پایان نامه یک روش کنترل اضطراری هماهنگ مبتنی بر پیش بینی مسیرهای...

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...

Journal: :Journal of Mechanisms, Transmissions, and Automation in Design 1984

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...

Journal: :Journal of mechanical, civil and industrial engineering 2022

Chicken is one of the side dishes favored by many people in world. Therefore, entrepreneurs do business with chicken. This research result a survey several technical journals about temperature chicken coop taken. From observations and tests carried out field carefully, this was to analyze temperature. The regulation system aim preventing livestock from dying due surrounding not being appropriat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم و فنون مازندران 1386

چکیده ندارد.

Journal: :iranian journal of oil & gas science and technology 2013
karim salahshoor behnam lotfi

control of well drilling operations poses a challenging issue to be tackled. the loss of well control could lead to the occurrence of blowout as a severe threat, involving the risk of human lives and environmental and economic consequences. conventional proportional-integral (pi) controller is a common practice in the well control operation. the small existing margin between pore pressure and f...

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