نتایج جستجو برای: ts model and stability
تعداد نتایج: 17210156 فیلتر نتایج به سال:
in this paper, controlling the gyros with linear plus cubic damping is considered. hence, an adaptive control algorithm is proposed to overcome the uncertainties in model parameters and the chaotic behavior of gyroscopes. it is noted that for general applications dynamic model coefficient of gyros is not precisely determined, on the other hand, with respect to a particular coefficient gyroscope...
Background: Tubal sterilizatio (TS) is a widely applied contraceptive method worldwide. Although most studies have described sterilization as a safe method, there are reports of TS complications. The aim of this study was to evaluate the effects of TS on ovarian function. Materials and Methods: The study comprised of 2 protocols A and B. A Protocol: survey ovarian hormone and B protocol: study ...
riverbank erosion, land loss and associated sedimentation are river engineering and water resources management problems of global significance. the ability to predict riverbank stability on eroding rivers is the prerequisite of developing a channel width adjustment model and is essential for estimating riverbank erosion and associated sedimentation. in this research, a detailed model for stabil...
Thymidylate synthase (TS) expression in colorectal cancer metastases has been shown to predict for the clinical response to 5-fluorouracil. Because primary tumors may easily provide accessible sources of tissue for marker analysis, we have investigated the stability of TS expression between primary colorectal cancer and the corresponding distant metastases and compared their relative ability to...
Introduction: Tubal Sterilization (TS) is one of the most common contraceptive methods. Some researchers believe that TL has complications, whereas there are contradictory reports about TS effects on ovarian function. The aim of this study was to evaluate the indices of oxidative stress and survey ovarian function after TS. Methods: The study groups consisted of 63 Sprague Dawley female rats. T...
چکیده توان بالقوه تجاری سلولازها و کاربردهای گوناگون آن ها در بسیاری از صنایع انگیزه ای قوی برای تحقیق در این زمینه طی چند دهه گذشته بوده است. با توجه به کاربردهای فراوان این آنزیم در صنایع غذایی? در این پژوهش تصمیم به جداسازی ریزسازواره های تولید کننده سلولاز از خاک درختان انار، انگور، خرمالو و گردو حیاط دانشکده کشاورزی تربیت مدرس، گرفته شد. در این بین خاک درخت خرمالو به دلیل دارا بودن تعداد ...
We develop an abstract model to explore specialization and generalization in task performance by individuals within biological populations. Individuals follow simple rules of increasing and decreasing propensities for tasks that could, for example, be based on learning and forgetting. The model does not explore e ciency per se, but makes the prediction that where behavioural specialization occu...
a nonstandard finite difference (nsfd) scheme has been constructed and analyzed for a mathematical model that describes lotka–volterra food web model. this new discrete system has the same stability properties as the continuous model and,on the whole, it preservesthe same local asymptotic stability properties. linearized stability theory and schur–cohn criteria are used for local asymptoticstab...
leader-following consensus of nonlinear multi-agent systems based on parameterized lyapunov function
this paper studies the consensus problem of nonlinear leader-following multi-agent systems (mas). to do this, the error dynamics between the leader agent and follower ones are described via a takagi-sugeno (ts) fuzzy model. if the obtained ts fuzzy model is stable, then all of the nonlinear agents reach consensus. the consensus problem is investigated based on the parameterized or fuzzy lyapuno...
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