نتایج جستجو برای: مدلهای rbf و anfis
تعداد نتایج: 768072 فیلتر نتایج به سال:
یکی از روش های مطرح جهت بازیابی توانایی عضلات فلج، روش تحریک الکتریکی کاربردی (fes) است . در این روش برای ایجاد یک حرکت مناسب نیاز به گشتاور خاص در یک مفصل است و برای ایجاد این گشتاور نیاز به نیروی انقباضی خاص در عضلات خاص است . برای ایجاد یک نیرو انقباضی مورد نظر، نیاز به اعمال یک سیگنال تحریک مناسب به ورودی عضله است . این مسئله نیاز به شناسایی رابطه ورودی-خروجی عضله، یا به عبارتی مدلسازی عضله...
پیشبینی آینده در عرصه پویای اقتصاد و بازارهای مالی از جمله بازار بورس به یکی از مهمترین مسائل درعلوم مالی ارتقاء یافته است. همچنین، در دههی اخیر مدلهای شبکه عصبی به علت عملکرد واقع بینانهتر اینمدلها مورد توجه محققین قرار گرفته و از انواع مختلف آنها برای پیشبینی استفاده شده است. اکنون این سئوالمطرح است که، کدام یک از این مدلها قدرت بالاتری برای تبیین فرآیندهای آتی بورس را دارا میباشد؟ در( همین ر...
This paper presents a diagnosis system, based on an adaptive neuro-fuzzy inference system (ANFIS) algorithm, for applications in biomedical fields. This paper deals specifically with skin cancer diagnosis. Our system can be divided into two main parts: feature selection, using the Greedy feature flip algorithm (G-flip), and Classification method using ANFIS algorithm. The ANFIS algorithm could ...
This paper presents a fault identification, classification and fault location estimation method based on Discrete Wavelet Transform and Adaptive Network Fuzzy Inference System (ANFIS) for medium voltage cable in the distribution system. Different faults and locations are simulated by ATP/EMTP, and then certain selected features of the wavelet transformed signals are used as an input for a train...
In this paper, Wavelet based ANFIS for finding inter turn fault of generator is proposed. The detector uniquely responds to the winding inter turn fault with remarkably high sensitivity. Discrimination of different percentage of winding affected by inter turn fault is provided via ANFIS having an Eight dimensional input vector. This input vector is obtained from features extracted from DWT of i...
In this study, a new approach based on adaptive neuro-fuzzy inference system (ANFIS) was presented for detection of ophthalmic artery stenosis. Decision making was performed in two stages: feature extraction using the wavelet transform (WT) and the ANFIS trained with the backpropagation gradient descent method in combination with the least squares method. The ophthalmic arterial Doppler signals...
Stock market prediction is important and of great interest because successful prediction of stock prices may promise attractive benefits. These tasks are highly complicated and very difficult. In this paper, we investigate the predictability of stock market return with Adaptive Network-Based Fuzzy Inference System (ANFIS). The objective of this study is to determine whether an ANFIS algorithm i...
Nowadays, greater recognition of drought and introducing its monitoring systems, particularly for the short-term periods, and adding predictability to these systems, could lead to presentation of more effective strategies for the management of water resources allocation. In this research, it is tried to present appropriate models to predict drought in city of Semnan, Iran, using time series, ad...
Accurate solar radiation (SR) prediction is one of the essential prerequisites harvesting energy. The current study proposed a novel intelligence model through hybridization Adaptive Neuro-Fuzzy Inference System (ANFIS) with two metaheuristic optimization algorithms, Salp Swarm Algorithm (SSA) and Grasshopper Optimization (GOA) (ANFIS-muSG) for global SR at different locations North Dakota, USA...
For double inverted pendulum multivariable, strong coupling and nonlinear proposed adaptive fuzzy neural inference system (ANFIS) is applied inverted pendulum stabilization control process. Adaptive control algorithm, fully able to meet the requirements of double inverted pendulum control, ANFIS system after training, will be applied to the inverted pendulum system controller has better control...
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