نتایج جستجو برای: fuzzy guidance low

تعداد نتایج: 1354070  

2007
Hai Zeng

To demonstrate the applicability and feasibility of AI technology in nuclear fields in China, a fuzzy controller to control the reactor power of China Advanced Research Reactor (CARR) is designed in this paper. The fuzzy controller uses Mamdani inference system based 2 inputs-power difference and power period, 1 outputvelocity of control rods. To evaluate the performance of the fuzzy controller...

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 ...

Background: The purpose of the present research is comparing academic adjustment between students with learning disability and students with low, moderate and high academic achievement. Method: This research subjects include 160 second grade guidance school students (40 with learning disability, 40 with low academic achievement 40 with moderate academic achievement and 40 with high acade...

Journal: :iranian journal of fuzzy systems 2014
ruey-chyn tsaur

in this paper, we propose a new residual analysis method using fourier series transform into fuzzy time series model for improving the forecasting performance. this hybrid model takes advantage of the high predictable power of fuzzy time series model and fourier series transform to fit the estimated residuals into frequency spectra, select the low-frequency terms, filter out high-frequency term...

2013
Gaganpreet Kaur

In this paper, structure of fuzzy logic controller is presented. Power systems are subjected to low frequency disturbances that might cause loss of synchronism and an eventual breakdown of entire system. These oscillations limit the power transmission capability of a network and cause loss of synchronism. Power system stabilizers (PSS) are used to damp these low frequency oscillations by provid...

2007
Oliver Thomas Thorsten Dollmann Peter Loos

In business process management, decision situations are often characterized by fuzziness. This means that the decision premises are not available in the form of mathematic models or numeric values, but rather as fuzzy conditions, such as “low processing time” or “high quality”. This article will show how fuzzy conditions and vaguely formulated goals in business process models can be considered ...

2017
Manickavasagam Krishnan

An electric supply with reliable and good quality is very important in power system operation and control. To achieve reilability and quality in interconnected power system Automatic Generation Control (AGC) is used. The components of AGC are change in frequency deviation (∆F) and tie-line power flow (∆Ptie). For any load change, there is an existence of (∆F) and (∆Ptie) which are used as a fee...

H. Asgharpour-Alamdari H. Yaghobi Y. Alinejad-Beromi

Induction motors (IMs) are widely used in many industrial applications due to their robustness, low cost, simplicity and relative good efficiency. One of the major considerations for IMs is their speed control. PI (proportional-integrator) controllers are usually used as speed controller. Adjusting the gain of PI controller is time-consuming which needs thorough considerations. Hence, fuzzy con...

Journal: :Mobile Information Systems 2022

With the rapid development of computer networks and multimedia technology, independent e-learning has become an integral part modern education. However, allocation time space for teaching learning, lack instruction guidance necessary self-directed learning students, are becoming increasingly problematic. Because this, this thesis uses guided evaluation to determine impact improving quality Stud...

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