نتایج جستجو برای: center of control
تعداد نتایج: 21288318 فیلتر نتایج به سال:
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
بررسی رابطه بین یادگیری سازمانی و توانمندسازی مدیران و معاونین مدارس شهرستان میانه دکتر محمد اورکی1، دکتر هاشم نعمتی، گلسیما عزیزی* استادیار گروه علوم تربیتی ، دانشگاه پیام نور تهران جنوب استادیار گروه علوم تربیتی. ، دانشگاه پیام نور مشهد دانشجوی کارشناسی ارشد مدیریت آموزشی ، دانشگاه پیام نور تهران جنوب [email protected] میانه- دانشگاه پیام نور میانه مدیر آموزشی، 2226062 – 0423، ت...
this paper investigates the dynamics and stability properties of a discrete-time lotka-volterra type system. we first analyze stability of the fixed points and the existence of local bifurcations. our analysis shows the presence of rich variety of local bifurcations, namely, stable fixed points; in which population numbers remain constant, periodic cycles; in which population numbers oscillate amo...
in this paper, a novel approach for ranking fuzzy numbers based on the angle measure is introduced. several left and right spreads at each chosen levels of fuzzy numbers is used to determine center of mass points(cmps) and then, the angels between the cmps and the horizontal axis is calculated. the total angle is determined by averaging the computed angles and finally, the novel method is compa...
In this paper the problem of constructing the minimum `1 uncertainty model containing a finite set of assigned models is addressed. This problem is relevant to `1 robust control design techniques, in order to minimize the size of the uncertainty set associated to the nominal plant. The problem is formulated as a (conditional) Chebyshev center problem and an algorithm for its solution is propose...
Data centers are large energy consumers and a substantial portion of this power consumption is due to the control of physical parameters, which bring the need of high efficiency environmental control systems. In this work, we describe a hardware sensing platform specifically tailored to collect physical parameters (temperature, pressure, humidity and power consumption) in large data centers. Th...
This paper describes a biologically-inspired architecture, called SymbioticSphere, which allows data centers to autonomously adapt to dynamic environmental changes. SymbioticSphere follows biological principles such as decentralization, evolution and symbiosis to design application services and middleware platforms in a data center. Each service and platform is designed as a biological entity, ...
فرض کنید $ r $ و $ s $ دو حلقه و $ {}_sc_r $ یک دو مدول شبه دوگان باشد. در این پایان نامه ما رابطه ی بین $ g_{c} $-مرابطه با $ c $-مرابطه و هم چنین رابطه ی بین تحلیل $ g_{c} $-تصویری و تحلیل تصویری از یک مدول را بررسی می کنیم. به علاوه نشان می دهیم که اگر egin{center} $ mathbf{g}^{ullet} : cdots ightarrow g_{1} ightarrow g_{0} ightarrow g^{0} ightarrow g^{1} ightarrow cdots$ end{center}...
background :rupture of the anterior cruciate ligment (acl) is a common knee injury. the purpose of this study was to determine the balance control in football players with and without acl reconstruction in posture of injury. methods : sway of the center of gravity of 15 patients with acl reconstruction was compared with 15 healthy, age and sex-matched subjects as the control group. all tests ...
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