Yazar "Koyuncu, İsmail" için listeleme
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Gerçek Zamanlı Bulanık Mantık Uygulamaları İçin Üyelik Fonksiyonlarının FPGA Tabanlı Gerçeklenmesi
Karataş, Fatih; Koyuncu, İsmail; Tuna, Murat; Alçın, Murat (2020-02-28)In this study, FPGA-based triangular, trapezoidal and generalized bell-shaped membership function units are designed for real-time Fuzzy Logic applications in accordance with the 32-bit IEEE-754-1985 floating-point number ... -
Gerçek Zamanlı Wavelet Dönüşümleri için FPGA-Tabanlı Meksika Şapkası Dalgacığının Tasarımı ve Gerçeklenmesi
In this study, the Mexican hat function, one of the most popular main wavelet functions for real-time Wavelet transforms, is encoded in the VHDL language with the 32-bit IEEE-754-1985 floating point number standard and ... -
Gömülü Yapay Sinir Ağı Uygulamaları İçin FPGA Üzerinde Elliott-2 Tabanlı Tanjant Sigmoid Transer Fonksiyonunun Gerçeklenmesi
Koyuncu, İsmail; Tuna, Murat (2016)In this study, Elliott-2 Tangent Sigmoid transfer function approach has been implemented for embedded Artificial Neural Network (ANN) using Xilinx ISE simulation program in 32-bit IEEE 754 1985 floating point number ... -
High speed FPGA-based chaotic oscillator design
Tuna, Murat; Alçın, Murat; Koyuncu, İsmail; Fidan, Can Bülent; Pehlivan, İhsan (Microprocessors and Microsystems, Elsevier, 2019)In this study, autonomous Lü-Chen (2002) chaotic system has been implemented on FPGA using Heun numerical algorithm in VHDL 32-bit IQ-Math fixed-point number format for developing embedded chaosbased engineering applications. ... -
Hyperjerk multiscroll oscillators with megastability: Analysis, FPGA implementation and a novel ANN-ring-based True Random Number Generator
Tuna, Murat; Karthikeyan, Anitha; Rajagopal, Karthikeyan; Alçın, Murat; Koyuncu, İsmail (Elsevier Gmbh, 2019)Metastable oscillators are a special case of chaotic attractors with infinite coexisting attractors. In this paper we propose a class of hyperjerk chaotic oscillators which exhibits megastability with and without forcing ... -
IQ-Math Based Designing of Fourth Order Runge-Kutta Algorithm on FPGA and Performance Analysis According to ANN Approximation
Alçın, Murat; Tuna, Murat; Koyuncu, İsmail (2018-08-20)In this paper, the design of the fourth order Runge-Kutta (RK4) algorithm has been performed using 32- bit IQ-Math (16I-16Q) fixed point number format in VHDL on FPGA. The designed system has been implemented into 3-B ... -
Kaotik Osilatör Tabanlı Gömülü Gerçek Rasgele Sayı Üreteci
Bu çalışmada; FPGA üzerinde gerçek zamanlı, Heun nümerik diferansiyel denklem çözüm yöntemiyle yüksek bit üretim hızına sahip yeni kaotik sistem ile yüksek çalışma frekanslı halka osilatörler kullanılarak, yüksek çalışma ... -
Lü-Chen Kaotik Üretecinin FPGA Tabanlı Gerçek Zamanlı Gerçekleştirilmesi
In this study, we present a new approach for real-time implementation of continuous-time autonomous Lü-Chen (2002) chaotic system on FPGA (Field Programmable Gate Array). In the presented approach, the Lü-Chen chaotic ... -
A novel ANN-based four-dimensional two-disk hyperchaotic dynamical system, bifurcation analysis, circuit realisation and FPGA-based TRNG implementation
Vaidyanathan, Sundarapandian; Pehlivan, İhsan; Dolvis, Leutcho Gervais; Jacques, Kengne; Alçın, Murat; Tuna, Murat; Koyuncu, İsmail (Inderscience Enterprises Ltd, 2020)This paper describes the modelling, bifurcation analysis, circuit realisation and FPGA implementation of a novel ANN-based four-dimensional two-disk dynamical system exhibiting hyperchaos and hidden attractor. This paper ... -
A novel high speed Artificial Neural Network-based chaotic True Random Number Generator on Field Programmable Gate Array
Alçın, Murat; Koyuncu, İsmail; Tuna, Murat; Varan, Metin; Pehlivan, İhsan (Wiley, 2019)It is well observed that cryptographic applications have great challenges in guaranteeing high security as well as high throughput. Artificial neural network (ANN)-based chaotic true random number generator (TRNG) structure ... -
A Novel Simple 4-D Hyperchaotic System with a Saddle-Point Index-2 Equilibrium Point and Multistability: Design and FPGA-Based Applications
Prakash, Pankaj; Rajagopal, Karthikeyan; Koyuncu, İsmail; Singh, Jay P.; Alçın, Murat; Roy, Binoy K.; Tuna, Murat (Springer Birkhauser, 2020)This paper presents a novel simple 4-D dissipative autonomous hyperchaotic system with a saddle-point index-2 equilibrium point. The dynamics of the new system consists of nine terms with two nonlinear terms. Thus, the ... -
Real Time Hardware Implementation of the 3D Chaotic Oscillator which having Golden-Section Equilibra
Tuna, Murat; Fidan, Can Bülent; Koyuncu, İsmail; Pehlivan, İhsan (Ieee, 2016)In this study, the continuous-time, autonomous, 3D chaotic system having golden-section equilibra which is recently presented in the literature is implemented firstly as discrete time on an FPGA. In this design, the 3D ... -
Real Time Implementation of A Novel Chaotic Generator on FPGA
Tuna, Murat; Koyuncu, İsmail; Fidan, Can Bülent; Pehlivan, İhsan (Ieee, 2015)In this study, a new continuous-time autonomous chaotic system has been presented and implemented on FPGA. Presented a new chaotic system has been designed using the IEEE 754-1985 floating-point format and implemented using ... -
The Chaos-Based Dual Entropy Core TRNG On FPGA: VHDL CODES of Chaotic Systems
Tuna, Murat; Fidan, Can Bülent; Koyuncu, İsmail (LAMBERT Academic Publication (LAP), 2019)Chaotic systems exhibit complex and aperiodic behavior, sensitive dependence on initial conditions and emerge in deterministic nonlinear systems. Due to these features, intensive studies have been carried out on the ... -
Yapay Sinir Ağları-Tabanlı 3-B Yeni Jerk Kaotik Osilatörünün FPGA Üzerinde Tasarımı ve Gerçeklenmesi
In this paper, the 3-D novel Jerk chaotic system has been coded in Very High Speed Integrated Circuits Hardware Description Language (VHDL) with 32-bit IEEE-754-1985 floating point number standard for real-time Artificial ...