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Fast Immune System Inspired Hypermutation Operators for Combinatorial Optimisation

Çörüş, Doğan; Oliveto, Pietro Simone; Yazdani, Donya (Institute of Electrical and Electronics Engineers Inc., 2021)

Various studies have shown that immune system inspired hypermutation operators can allow artificial immune systems (AIS) to be very efficient at escaping local optima of multimodal optimisation problems. However, this ...

Energy-Efficient Resources Allocation with Millimeter-Wave Massive MIMO in Ultra Dense HetNets by SWIPT and CoMP

Yonghong Dai, Bin Li,; Dong, Zhicheng; Panayirci, Erdal; Jiang, Huilin; Jiang, Hao (Institute of Electrical and Electronics Engineers Inc., 2021)

Ultra-dense HetNets (UDN)-based Millimeter-Wave (mmWave) massive MIMO is considered a promising technology for 5th generation (5G) wireless communications systems since it can offer massively available bandwidth and improve ...

Solution of Lossless Broadband Matching Problems via Insertion Loss Method

Şengül, Metin (Institute of Electrical and Electronics Engineers Inc., 2021)

In this work, lossless broadband matching problem with complex generator and load impedances is solved via insertion loss method that is used to design filters with purely resistive generator and load impedances. In the ...

Allocation of Distributed Generators Using Parallel Grey Wolf Optimization

Younesi, Soheil; Ahmadi, Bahman; Ceylan, Oguzhan; Ozdemir, Aydogan (IEEE, 2021)

This paper solves the allocation problem of distributed generators (DGs) in smart grids utilizing a grey wolf optimization (GWO) algorithm. By parallelizing GWO, it presents the impact of using various number of processors ...

Harmony Search Algorithm Based Management of Distributed Energy Resources and Storage Systems in Microgrids

Ceylan, Oğuzhan; Sezgin, Mustafa Erdem; Goel, Murat; Verga, Maurizio; Lazzari, Riccardo; Kwaye, Marcel Pendieu; Sandroni, Carlo (MDPI, 2020)

Microgrids are composed of distributed energy resources (DERs), storage devices, electric vehicles, flexible loads and so on. They may either operate connected to the main electricity grid (on-grid operation) or separated ...

Accurate indoor positioning with ultra-wide band sensors

Arsan, Taner (Tubitak, 2020)

Ultra-wide band is one of the emerging indoor positioning technologies. In the application phase, accuracy and interference are important criteria of indoor positioning systems. Not only the method used in positioning, but ...

The Arithmetic Optimization Algorithm for Optimal Energy Resource Planning

Ahmadi, Bahman; Younesi, Soheil; Ceylan, Oguzhan; Ozdemir, Aydogan (IEEE, 2021)

This study presents a new formulation regarding optimal placement and sizing of multi-type distributed generations (DGs) and energy storage systems (ESSs) to enhance the reliability of a radial distribution system and to ...

Minimum Length Scheduling for Multi-Cell Full Duplex Wireless Powered Communication Networks

Iqbal, Muhammad Shahid; Sadi, Yalcin; Coleri, Sinem (Mdpi, 2021)

Wireless powered communication networks (WPCNs) will be a major enabler of massive machine type communications (MTCs), which is a major service domain for 5G and beyond systems. These MTC networks will be deployed by using ...

Cascaded H-bridge multilevel inverters optimization using adaptive grey wolf optimizer with local search

Ceylan, Oguzhan; Neshat, Mehdi; Mirjalili, Seyedali (Springer, 2021)

With the transformation of transmission and distribution grids into smart grids that are more dominated by renewable energy, power electronics-based inverters that can improve power quality are becoming more visible. In ...

FEATURE SELECTION USING SELF ORGANIZING MAP ORIENTED EVOLUTIONARY APPROACH

Ceylan, O.; Taskin, G. (Institute of Electrical and Electronics Engineers Inc., 2021)

Hyperspectral images are the multidimensional matrices consisting of hundreds of spectral feature vectors. Thanks to these large number of features, the objects on the Earth having similar spectral characteristics can ...