نتایج جستجو برای: derivation generator
تعداد نتایج: 74667 فیلتر نتایج به سال:
The doubly fed induction generator (DFIG) systems feature a significant amount of free power capacity that may be used for reactive adjustment when they are put into practical use. This change, which is occasionally overlooked, one. Using DFIG wind turbines (WT), this paper explored strategies reducing and using power. In order to investigate the characteristic how it regulated in systems, math...
We present the construction of a pseudorandom generator, that we call the Bit-Search Generator (BSG), based on a single input sequence. The construction is related to the so-called Self-Shrinking Generator which is known for its simplicity (conception and implementation-wise) linked with some interesting properties. After presenting the general running, we give a description of the BSG by using...
In this paper, we analyze a multi-server queueing system with marked Markov arrival process of two types customers and phase-type distribution service time depending on the type customer. Customers both are assumed to be impatient renege from buffers after an exponentially distributed number times. The strategy flexible provisioning priorities is analyzed. It assumes randomized choice buffers, ...
(b) Usually (in practice), the k used for signing is not generated completely at random, but by using a pseudorandom generator. Again, in practice, people use a simple “pseudorandom” generator such as the linear congruential generator. A linear congruential generator LCG, on input a seed s0 outputs a sequence (s1, s2, . . . , sn) such that si = asi−1 + b(mod q). (where a and b are assumed to be...
let a be a banach algebra. a is called ideally amenable if for every closed ideal i of a, the first cohomology group of a with coefficients in i* is trivial. we investigate the closed ideals i for which h1 (a,i* )={0}, whenever a is weakly amenable or a biflat banach algebra. also we give some hereditary properties of ideal amenability.
let r and s be reduced rings with identities whose idempotents are central, and let m be an(r, s)-bimodule such that annr (m)=0. in this paper, we determine first the structure of automorphisms ofthe triangular ring, =sr mt0, and then, for all automorphisms α ,β of t we determine the structureof (α,β)-derivations of t.
Let A be a Banach algebra and X a Banach A-bimodule, the derivation D : A → X is semi-inner if there are ξ, μ ∈ X such that D(a) = a.ξ − μ.a, (a ∈ A). A is called semi-amenable if every derivation D : A → X∗ is semi-inner. The dual Banach algebra A is Connes semi-amenable (resp. approximately semi-amenable) if, every D ∈ Z1w _ (A,X), for each normal, dual Banach A-bimodule X, is semi -inner (re...
Let $R$ be a 2-torsion free semiprime ring with extended centroid $C$, $U$ the Utumi quotient ring of $R$ and $m,n>0$ are fixed integers. We show that if $R$ admits derivation $d$ such that $b[[d(x), x]_n,[y,d(y)]_m]=0$ for all $x,yin R$ where $0neq bin R$, then there exists a central idempotent element $e$ of $U$ such that $eU$ is commutative ring and $d$ induce a zero derivation on $(1-e)U$. ...
In this research paper, the performance of an air-cored axial flux permanent magnet synchronous generator is evaluated for low speed, direct drive applications using 3D finite element modeling and experimental tests. The structure of the considered machine consists of double rotor and coreless stator, which results in the absence of core losses, reduction of stator weight and elimination of cog...
this paper presents the application of the matching pursuit method to model synchronous generator. this method is useful for online analysis. in the proposed method, the field voltage is considered as input signal, while the terminal voltage and active power of the generator are output signals. usually, the difference equation with a second degree polynomial structure is used to estimate the co...
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