نتایج جستجو برای: systematic plantwide control design

تعداد نتایج: 2380797  

2006
Stewart J. Smith Harold W. Bentley

This paper presents a systematic methodology for design of landfill methane migration control systems. The key to the methodology is that it tests for deficiencies in the conceptual model (working hypothesis) of methane migration, correcting potential design flaws in the landfill methane control system before commencing design and construction. The testing is accomplished by (1) a field investi...

Journal: :International Journal of Power Electronics and Drive Systems 2022

<span>To assess different approaches to traffic light control design, a systematic literature review was conducted, covering publications from 2006 2020. The review’s aim gather and examine all studies that looked at road congestion issues. As well, it aims extract analyze protruding techniques selected research articles in order provide researchers practitioners with recommendations solu...

2006
Antonio C.B. de Araújo Marius Govatsmark Sigurd Skogestad

This paper describes the application of self-optimizing control to a large-scale process, the HDA plant. The idea is to select controlled variables which when kept constant lead to minimum economic loss. First, the optimal active constraints need to be controlled. Next, controlled variables need to be found for the remaining unconstrained degrees of freedom. In order to avoid the combinatorial ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Journal: :Applied sciences 2022

This paper proposes a systematic control design method for active damping of grid-connected voltage source converters (VSCs). The proposed considers the conventional cascaded loops and improves them by including additional states feedback-based damping. In such way, all gains are lumped into one gain matrix based on formulation. lumping leads to linear optimization problem, so different techniq...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1389

abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی برق و کامپیوتر 1391

this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...

2005
Salah Baïna Hervé Panetto Khalid Benali

Enterprise-control system integration between business systems, workflow systems, manufacturing execution systems and shop-floor processcontrol systems remains a key issue for facilitating the deployment of plantwide information-control systems. Since years, increasing flexibility and efficiency of their systems has been the new challenge for modern manufacturing enterprises. Business process m...

Journal: :Systems & Control Letters 2010
Brett T. Stewart Aswin N. Venkat James B. Rawlings Stephen J. Wright Gabriele Pannocchia

In this paper we propose a cooperative distributed linear model predictive control strategy applicable to any finite number of subsystems satisfying a stabilizability condition. The control strategy has the following features: hard input constraints are satisfied; terminating the iteration of the distributed controllers prior to convergence retains closed-loop stability; in the limit of iterati...

Journal: :journal of medical signals and sensors 0
abdolreza hashemian mohammad taghi bahreyni toossi shahrokh nasseri

multileaf collimator (mlc) is among the radiation field shaping systems used for conformal radiotherapy and intensity modulation radiation therapy techniques. the mlc system that has been designed and fabricated in this study includes 52 leaves, 52 stepper motors, 2 dc motors, 16 programmable logic controllers (plcs) and one human machine interface (hmi). this system can be mounted on conventio...

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