نتایج جستجو برای: process control
تعداد نتایج: 2476517 فیلتر نتایج به سال:
نمودارهای کنترل یکی از ساده ترین ابزارهای کنترل فرایند حین تولید هستند. گاهی اوقات می توان کیفیت یک محصول را به k (k بزرگتر از 2) طبقه مختلف تقسیم بندی کرد. این مورد توسط دانکن و مارکوسی مورد بررسی قرار گرفت. وانگ و راز دو روش مختلف برای کنترل فرایند در حالت فازی داده اند. در این رساله روش دیگری ارایه می دهیم که کاراتر می باشد. در حالت معمولی تقسیم بندی دوتایی به سالم و معیوب برای ساختن نمودا...
The explosive growth in the area of computing and networking has occurred. This has caused an increased reliance on distributed computing and process operations across the networks. The main aspect in the process control across network is the network delay, which depends on the network type and protocol. This paper gives the literature review about the network-based control systems and the meth...
In this paper a new model-based optimizing controller for a set of nonlinear systems is proposed. The nonlinear model set is based on a convex combination of two bounding linear models. An optimal control sequence is computed for each of the two bounding models. The proposed control algorithm is based on a convex combination of the two control sequences. A novel feature in these two optimizatio...
The history of technological developments affects the way we can provide services to customers quickly. One methods industrial Control Systems is statistical process control method (SPC) for short-term production. This review aims explain some advantages SPC method, namely in terms monitoring multistage processes and fault diagnosis has become a necessity. by Entering control. hybrid approaches...
translation studies have become an accepted academic subject and books, journals and doctoral dissertations appear faster than one can read them all (bassnet and lefevere, 1990). but this field also brought with itself so many other issues which needed to be investigated more, in the heart of which, issues like ideology, ethics, culture, bilingualism and multilingualism. it is reported that ove...
In recent times the explosive growth in computing and networking abilities has occurred. This has caused an increased reliance on distributed computing and process operations across the networks. The main aspect in the process control via network is the network delay, which depends on the network type and protocol. This paper gives the literature review about the network-based control systems a...
The road from theory to practice takes many steps, often over or around considerable obstacles. This certainly holds for the process industries, where actual conditions are rather unfavourable for control complexity and sophistication: process behaviour varies significantly and sometimes even qualitatively due to feed and product changes, unavailability of process equipment, lack of manpower fo...
An outbreak of invasive aspergillosis among allogeneic bone marrow transplants: a case-control study. Infect Confvol1985;6:347-355. 3. Sherertz RJ, Belani A, Kramer BS. et al. Impact of air filtration on nosocomialA@ergil-lus infections. Unique risk of bone marrow transplant recipients. A discriminant scorecard for diagnosis of invasive pulmonary asper-gillosis in patients with acute leukemia. ...
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