نتایج جستجو برای: کنترلر anfis
تعداد نتایج: 4014 فیلتر نتایج به سال:
Most integrated inertial navigation systems (INS) and global positioning systems (GPS) have been implemented using the Kalman filtering technique with its drawbacks related to the need for predefined INS error model and observability of at least four satellites. Most recently, a method using a hybrid-adaptive network based fuzzy inference system (ANFIS) has been proposed which is trained during...
Accurate and efficient estimation of streamflow in a watershed’s tributaries is prerequisite parameter for viable water resources management. This study couples process-driven and data-driven methods of streamflow forecasting as a more efficient and cost-effective approach to water resources planning and management. Two data-driven methods, Bayesian regression and adaptive neuro-fuzzy inference...
Conventional controller’s usually required a prior knowledge of mathematical modelling of the process. The inaccuracy of mathematical modelling degrades the performance of the process, especially for non-linear and complex control problem. The process used is Water-Bath system, which is most widely used and nonlinear to some extent. For Water-Bath system, it is necessary to attain desired tempe...
A new method for computing the resonant frequency of the circular microstrip antenna, based on the adaptive neuro-fuzzy inference system (ANFIS), is presented. A hybrid learning algorithm is used to identify the parameters of ANFIS. The results of the new method are in excellent agreement with the experimental results reported elsewhere.
The paper introduces various methods for classification like fuzzy logic, and its combination with artificial neural networks. Datasets from UCI Repository have been used for the implementation of classification models using Matlab 7.0 for Fuzzy Inference System(FIS) and Anfis and Matlab R2007b for Anfis with variable labels and different membership functions.
Thermal errors can have significant effects on CNC machine tool accuracy. The errors come from thermal deformations of the machine elements caused by heat sources within the machine structure or from ambient temperature change. The effect of temperature can be reduced by error avoidance or numerical compensation. The performance of a thermal error compensation system essentially depends upon th...
Conventional control algorithms used in pH control systems give inefficient performance, leading to use of large mixers. To improve the neutralization control process, an ANFIS based advanced controller has been proposed. In this paper, method of design of adaptive controller based on neurofuzzy technique is presented. The method uses ANFIS methodology to 1 / 4
در این مقاله، معادلات حرکت وضعی مانور سهمحورة ماهوارة الاستیک- با استفاده از روش اجزای محدود برای بیان جابهجایی ضمیمة الاستیک - استخراج شده است. بهمنظور انجام مانور وضعیت، یک کنترلر برای مانور وضعیت ماهواره طراحی شده است و کنترلر جداگانهای برای حذف ارتعاشات ضمیمه الاستیک که بهدلیل عملکرد سیستم کنترل وضعیت ایجاد میشود، طراحی شده است. از ترکیب دو روش مد لغزشی و بازگشت به عقب بهمنظورطراحی ک...
The use of Artificial Intelligence methods is becoming increasingly common in the modeling and forecasting of hydrological and water resource processes. In this study, applicability of Adaptive Neuro Fuzzy Inference System (ANFIS) and Artificial Neural Network (ANN) methods, Generalized Regression Neural Networks (GRNN) and Feed 5 Forward Neural Networks (FFNN), for forecasting of daily river f...
انتقال سریع و بدون نوسان بار توسط جرثقیلهای سقفی زمینهای مطرح برای پژوهش میباشد. در این مقاله یک کنترلر شبکه عصبی خود تنظیمکننده برای جرثقیل سقفی، با هدف جابجایی دقیق بار و دفع نوسان آن ارائه گردیدهاست. این کنترلر میتواند بخش عمده نوسان بار را در ابتدای حرکت دفع کند و درنتیجه بار با نوسان کمی جابجا شود. نتایج نشان میدهد که کنترلر شبکه عصبی با روش تعلیم پیشنهادی این مقاله، نسبت به کنت...
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