Original Research Paper Optoelectronics and Photonics
Low Delay Time All Optical NAND, XNOR and OR Logic Gates Based on 2D Photonic Crystal Structure

F. Parandin; M. Malmir

Volume 8, Issue 1 , January 2020, Pages 1-8


  Background and Objectives: Recently, photonic crystals have been considered as the basic structures for the realization of various optical devices for high speed optical communication.Methods: In this research, two dimensional photonic crystals are used for designing all optical logic gates. A photonic ...  Read More

Original Research Paper Electronics
A Novel Method Design Multiplexer Quaternary with CNTFET

S. Rahmati; E. Farshidi; J. Ganji

Volume 8, Issue 1 , January 2020, Pages 9-18


  Background and Objectives: In recent decades, due to the effect of the short channel, the use of CMOS transistors in the nanoscale has become a major concern. One option to deal with this issue is the use of nano-transistors.Methods: Using nano-transistors and multi-valued logic (MVL) can reduce the ...  Read More

Original Research Paper Power Electronics
Utilization of CHB Multilevel Inverter for Harmonic Reduction in Fuzzy Logic Controlled Multiphase LIM Drives

P. Hamedani; A. Shoulaei

Volume 8, Issue 1 , January 2020, Pages 19-30


  Background and Objectives: Despite superior privileges that multiphase motors offer in comparison with their three-phase counterparts, in the field of multiphase linear induction motors (LIMs) few studies have been reported until now. To combine the advantages of both multiphase motors and linear induction ...  Read More

Original Research Paper Artificial Intelligence
Stock Price Prediction using Machine Learning and Swarm Intelligence

I. Behravan; S. M. Razavi

Volume 8, Issue 1 , January 2020, Pages 31-40


  Background and Objectives: Stock price prediction has become one of the interesting and also challenging topics for researchers in the past few years. Due to the non-linear nature of the time-series data of the stock prices, mathematical modeling approaches usually fail to yield acceptable results. Therefore, ...  Read More

Original Research Paper Data Mining
A High-Performance Model based on Ensembles for Twitter Sentiment Classification

R. Asgarnezhad; A. Monadjemi; M. SoltanAghaei

Volume 8, Issue 1 , January 2020, Pages 41-52


  Background and Objectives: Twitter Sentiment Classification is one of the most popular fields in information retrieval and text mining. Millions of people of the world intensity use social networks like Twitter. It supports users to publish tweets to tell what they are thinking about topics. There are ...  Read More

Original Research Paper Power
Designing a new robust control for virtual inertia control in the microgrid with regard to virtual damping

F. Amiri; M. Moradi

Volume 8, Issue 1 , January 2020, Pages 53-70


  Background and Objectives: Virtual inertia control, as a component of a virtual synchronous generator, is used for the implementation of synchronous generator behaviour in microgrids. In microgrids that include high-capacity distributed generation resources, in addition to virtual inertia, virtual damping ...  Read More

Original Research Paper Digital Design
Ultra-Low-Energy DSP Processor Design for Many-Core Parallel Applications

B. Soltani Farani; H. Dorosti; M. E. Salehi; Si M. Fakhraie

Volume 8, Issue 1 , January 2020, Pages 71-84


  Background and Objectives: Digital signal processors are widely used in energy constrained applications in which battery lifetime is a critical concern. Accordingly, designing ultra-low-energy processors is a major concern. In this work and in the first step, we propose a sub-threshold DSP processor.Methods: ...  Read More

Original Research Paper Power Amplifier
A 28-36 GHz Optimized CMOS Distributed Doherty Power Amplifier with A New Wideband Power Divider Structure

M. Mirzajani Darestani; M. Tavakoli; P. Amiri

Volume 8, Issue 1 , January 2020, Pages 85-96


  Background and Objectives: In this paper, a new design strategy was proposed in order to enhance bandwidth and efficiency of power amplifier.Methods: To realize the introduced design strategy, a power amplifier was designed using TSMC CMOS 0.18um technology for operating in the Ka band, i.e. the frequency ...  Read More

Original Research Paper Artificial Intelligence
Link Prediction using Network Embedding based on Global Similarity

S. F. Mirmousavi; S. Kianian

Volume 8, Issue 1 , January 2020, Pages 97-108


  Background: The link prediction issue is one of the most widely used problems in complex network analysis. Link prediction requires knowing the background of previous link connections and combining them with available information. The link prediction local approaches with node structure objectives are ...  Read More

Original Research Paper Hybrid EV chargers
Bidirectional Buck-Boost Integrated Converter for Plug-in Hybrid Electric Vehicles

H. Soltani Gohari; K. Abbaszadeh

Volume 8, Issue 1 , January 2020, Pages 109-124


  Background and Objectives: Power electronics infrastructures play an important role in charging different types of electric vehicles (EVs) especially Plug-in Hybrid EVs (PHEVs). Designing appropriate power converters is the topic of various studies.Method: In this paper, a novel bidirectional buck-boost ...  Read More

Original Research Paper Computational Intelligence
A Preprocessing Technique to Investigate the Stability of Multi-Objective Heuristic Ensemble Classifiers

Zeinab Khatoun Pourtaheri

Volume 8, Issue 1 , January 2020, Pages 125-134


  Background and Objectives: According to the random nature of heuristic algorithms, stability analysis of heuristic ensemble classifiers has particular importance.Methods: The novelty of this paper is using a statistical method consists of Plackett-Burman design, and Taguchi for the first time to specify ...  Read More

Original Research Paper Computer Vision
Action Change Detection in Video Based on HOG

M. Fakhredanesh; S. Roostaie

Volume 8, Issue 1 , January 2020, Pages 135-144


  Background and Objectives: Action recognition, as the processes of labeling an unknown action of a query video, is a challenging problem, due to the event complexity, variations in imaging conditions, and intra- and inter-individual action-variability. A number of solutions proposed to solve action recognition ...  Read More