نتایج جستجو برای: alnio system
تعداد نتایج: 2231056 فیلتر نتایج به سال:
this paper presents a method for damping of low frequency oscillations (lfo) in a power system. the powersystem contains static synchronous series compensators (sssc) which using a chaotic harmony searchalgorithm (chsa), optimizes the lead-lag damping stabilizer. in fact, the main target of this paper isoptimization of selected gains with the time domain-based objective function, which is solve...
conclusions religiosity has been used as a coping mechanism among blacks. religiosity may also be related to stress regulation among black youth. future studies need to test complex associations between race, sex, religiosity, chronic stress, coping, and function of hypothalamo-pituitary-adrenal (hpa). it is not known whether male black youth who are and those who are not religious differently ...
one of the most important items for better file system performance is efficient buffering of disk blocks in main memory. efficient buffering helps to reduce the widespeed gap between main memory and hard disks. in this buffering system, the block replacement policy is one of the most important design decisions that determines which disk block should be replaced when the buffer is full. to overc...
a neuro-fuzzy modeling tool (anfis) has been used to dynamically model cross flow ultrafiltration of milk. it aims to predict permeate flux and total hydraulic resistance as a function of transmembrane pressure, ph, temperature, fat, molecular weight cut off, and processing time. dynamic modeling of ultrafiltration performance of colloidal systems (such as milk) is very important for designing ...
this paper introduces an indirect adaptive fuzzy sliding mode controller as a power system stabilizer for damping local and inter-area modes of oscillations of multi-machine power systems. this controller is designed based on the combination of sliding mode controller and the fuzzy logic systems. the fuzzy systems are used to approximate the unknown functions of power system model. generator sp...
one-third of the people with an age over twenty have some signs of degenerated discs. however, in most of the patients the mere presence of degenerative discs is not a problem leading to pain, neurological compression, or other symptoms. this paper presents an interval type-2 fuzzy hybrid rule-based system to diagnose the abnormal degenerated discs where pain variables are represented by interv...
epilepsy is accompanied with a strong change in neuronal activity not only in excitatory (glutamatergic) and inhibitory (gabaergic) neurotransmission, but also in neuromodulatory agents. dopaminergic system, as an important neuromodulatory system of the brain, has significant effect on neuronal excitability. in addition, this system undergoes many changes in epileptic brain. understanding the e...
introduction: studies have shown that insufficient recovery between sessions causes immune suppression. the aim of this study was to investigate the effect of repeated bouts resistance and endurance exercise on blood leukocytes, lymphocytes, neutrophils, monocytes count and plasma cortisol levels in athlete girls. materials and methods: 9 athlete girls (ages, 20-25 years), participated in the s...
this paper elaborates on persian and english orthographic shared aspects to study the effects of l1 persian on learning english as a foreign language. while there are some examples of letter and sound mismatches in the orthographic system of both languages, those of english are more complex than persian. in order to see the effect of the mismatch between orthography and transcription, 40 persia...
as we know, developing mathematical models and numerical procedures that would appropriately treat and solve systems of linear equations where some of the system's parameters are proposed as fuzzy numbers is very important in fuzzy set theory. for this reason, many researchers have used various numerical methods to solve fuzzy linear systems. in this paper, we define the concepts of midpoint a...
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