نتایج جستجو برای: switching location
تعداد نتایج: 296164 فیلتر نتایج به سال:
In this paper, a new step-upresonant DC-DC converter without an auxiliary switch is introduced. All the switching elements act under zero current switching condition at turn-on and turn-off instants. The proposed converter has a simple auxiliary circuit including an inductor and a capacitor. In addition, the size of the main inductor is considerably reduced because it acts as a resonant inducto...
Switching fuzzy modelling and control scheme using T-S fuzzy systems with nonlinear consequent parts
This paper extends the idea of switching T-S fuzzy systems with linear consequent parts to nonlinear ones. Each nonlinear subsystem is exactly represented by a T-S fuzzy system with Lure’ type consequent parts, which allows to model and control wider classes of switching systems and also reduce the computation burden of control synthesis. With the use of a switching fuzzy Lyapunov function, the...
This paper proposes a hybrid switching technique for a domestic PV system with AC-module architecture. In this PV system, independent control of PV modules, which are directly connected to DC terminals of a single-phase cascaded multilevel inverter, makes module-level MPPT possible to extract maximum available solar energy, especially in partial shading conditions. As one of the main contributi...
“Code-Switching”, an important issue in the field of both language classroom and sociolinguistics, has been under consideration in investigations related to bilingual and multilingual societies. First proposed by Haugen (1956) and later developed byGrosjean (1982), the termcode-switching refers to language alternation during communication. Although code-switching is unavoidable in bilingual and...
We develop a theory for the food intake of a predator that can switch between multiple prey species. The theory addresses empirical observations of prey switching and is based on the behavioural assumption that a predator tends to continue feeding on prey that are similar to the prey it has consumed last, in terms of, e.g., their morphology, defences, location, habitat choice, or behaviour. Fro...
We consider the problem of location management in cell-hopping networks, where the only infrastructure used for routing and switching user data is a set of ad-hoc basestations owned by small individual operators. Such networks do not have any reliable fixed infrastructure to host central or distributed location register databases. We propose a novel location management protocol, which obviates ...
دلیل دوم این است که طراحی مدار مقایسه گر تقریب متوالی به یکی از موضوعات مورد توجه اکثر طراحان مدارهای سیگنال مختلط تبدیل شده است و طراحان مبدل های تقریب متوالی بیشتر از نتایج کارهای آن ها استفاده کرده اند و خود بیشتر بر روی آرایه ی خازنی متمرکز شده اند . اصلی ترین عامل کاهش مصرف توان در شبیه سازی های انجام شده بهره گیری از روش monotonic switching است.
Trypanosoma brucei is the causative agent of African sleeping sickness in humans and one of the causes of nagana in cattle. This protozoan parasite evades the host immune system by antigenic variation, a periodic switching of its variant surface glycoprotein (VSG) coat. VSG switching is spontaneous and occurs at a rate of about 10–10 per population doubling in recent isolates from nature, but a...
T he main purpose of this article is to analyze exchange rate behavior based on monetary fundamentals in the context of Iranian economy over the period 1990:2 to 2014:3. To do so, two monetary exchange rate models is investigated, the first by regarding interest rate differential as a monetary variable, and the second one regardless of interest rate differential as a monetary variabl...
An observational workflow time study was conducted involving doctors in the emergency department (ED) of a large Australian hospital. During 121.7 h across 58 sessions, we observed interruptive events, conceptualised as prompts, and doctors' strategies to handle those prompts (task-switching, multitasking, acknowledgement, deferral and deflection) to assess the role of multiple work system fact...
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