نتایج جستجو برای: self adaptive system

تعداد نتایج: 2799361  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
rabeheh bahreini ramin bozorgmehry boozarjomehry

an adaptive input-output linearization method for general nonlinear systems is developed without using states of the system. another key feature of this structure is the fact that, it does not need model of the system. in this scheme, neurolinearizer has few weights, so it is practical in adaptive situations.  online training of neurolinearizer is compared to model predictive recurrent training...

Journal: :journal of optimization in industrial engineering 2015
ali ghasemi mohammad javad golkar mohammad eslami

a multi objective honey bee mating optimization (hbmo) designed by online learning mechanism is proposed in this paper to optimize the double fuzzy-lead-lag (fll) stabilizer parameters in order to improve low-frequency oscillations in a multi machine power system. the proposed double fll stabilizer consists of a low pass filter and two fuzzy logic controllers whose parameters can be set by the ...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
mahmoud sadeghi masoud yavarmanesh mostafa shahidi nojhabi

nowadays, it has demonstrated that viruses can be transmitted by water and foods. therefore, it causes the research to develop for detecting different viruses in water and foods. among foods, milk can transfer potentially pathogenic viruses. on the other hand, to achieve every method for recovery and extraction of viruses in raw milk it needs to know about impact of milk components on viruses. ...

Journal: :desert 2014
lida rafati mohammad ehrampoush ali talebi mehdi mokhtari zohreh kheradpisheh

the impact of air pollution and environmental issues on public health is one of the main topics studied in manycities around the world. ozone is a greenhouse gas that contributes to global climate. this study was conducted topredict and model ozone of yazd in the lower atmosphere by an adaptive neuro-fuzzy inference system (anfis). allthe data were extracted from 721 samples collected daily ove...

Journal: :journal of advances in computer research 2014
milad malekzadeh alireza khosravi

this paper presents a new control scheme for a class of nonlinear systems. in the proposed method, an adaptive neural network observer with rise feedback controller are applied to realize sensorless control scheme. this observer is tuned online and no exact information of nonlinear term of plant is required. so, this characteristic can compensate mismodeling phenomena. also, a new controller ca...

Journal: :ECEASST 2010
Russel Nzekwa Romain Rouvoy Lionel Seinturier

Feedback Control Loops (FCLs) are the heart of any self-adaptive system. Existing engineering approaches for building self-adaptive systems mask FCL by providing abstraction layers that hide the application complexity. In this paper, we investigate a model-driven approach for the engineering of FCLs whose architecture is based on the Service Component Architecture (SCA) model. Our proposal cons...

Control of well drilling operations poses a challenging issue to be tackled. The loss of well control could lead to the occurrence of blowout as a severe threat, involving the risk of human lives and environmental and economic consequences. Conventional proportional-integral (PI) controller is a common practice in the well control operation. The small existing margin between pore pressure and f...

Journal: :international journal of automotive engineering 0
e. khanmirza h. darvish .f gholami e. alimohammadi

accurate and correct performance of controller in cruise control systems is important. hence, in such systems, controller should optimize itself against noise and probable changes in system dynamic. as a matter of fact, in this article three approaches have been conducted to-ward this purpose: mit, direct estimation and indirect estimation. these approaches are used as controllers to track refe...

Journal: :international journal of automotive engineering 0
m. baghaeian a. akbari

in this paper, the enhancement of vehicle stability and handling is investigated by control of the active geometry suspension system (ags). this system could be changed through control of suspension mounting point’s position in the perpendicular direction to wishbone therefore the dynamic is alternative and characteristics need to change. for this purpose, suitable controller needs to change mo...

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