نتایج جستجو برای: multi order fractional

تعداد نتایج: 1369192  

Journal: :JACIII 2014
Amir Hajiloo Wen-Fang Xie

The design of the optimal fuzzy fractional-order PID controller is addressed in this work. A multi-objective genetic algorithm is proposed to design rule base and membership functions of the fuzzy logic systems. Three conflicting objective functions in both time and frequency domains have been used in Pareto design of the fuzzy fractional-order PID controller. The simulation results reveal the ...

2011
Amar Debbouche

Correspondence: [email protected] Department of Mathematics, Faculty of Science, Guelma University Guelma, Algeria Abstract In this article, sufficient conditions for the existence result of quasilinear multi-delay integro-differential equations of fractional orders with nonlocal impulsive conditions in Banach spaces have been presented using fractional calculus, resolvent operators, and ...

Journal: :international journal of industrial mathematics 2014
a. r. haghighi m. pourmahmood aghababa m. roohi

this paper concerns the problem of robust stabilization of uncertain fractional-order non-autonomous systems. in this regard, a single input active control approach is proposed for control and stabilization of three-dimensional uncertain fractional-order systems. the robust controller is designed on the basis of fractional lyapunov stability theory. furthermore, the effects of model uncertainti...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1392

در این پایان نامه به بررسی دستگاه مستقل از زمان لورنز که یک دستگاه سه بعدی و غیر خطی می-باشد، می پردازیم. با تغییر روابط بین پارامترهای دستگاه، رفتارهای مختلفی که نقاط تعادل دستگاه از خود نشان می دهند را بررسی می کنیم. سپس با انتخاب یک پارامتر مناسب انشعاب، نشان می دهیم که یک انشعاب هاف در این دستگاه اتفاق می افتد. به همین منظور ابتدا دستگاه های معادلات دیفرانسیل به عنوان یک دستگاه پویا را بررس...

Journal: :basic and clinical neuroscience 0
mohammad reza rahmani mehdiabadi electrical engineering department, iran university of science and technology, iust, tehran, iran e. rouhani biomedical engineering department, iran university of science and technology (iust), tehran, iran s.k. mousavi mashhadi electrical engineering department, iran university of science and technology, iust, tehran, iran a.a. jalali electrical engineering department, iran university of science and technology, iust, tehran, iran

this paper addresses synchronizing two coupled chaotic fitzhugh–nagumo (fhn) neurons with weakly gap junction under external electrical stimulation (ees). to transmit information among coupled neurons, by generalization of the integer-order fhn equations of the coupled system into the fractional-order in frequency domain using crone approach, the behavior of each coupled neuron relies on its pa...

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