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International Journal of Electrical and Computer Engineering
ISSN : 20888708     EISSN : 27222578     DOI : -
International Journal of Electrical and Computer Engineering (IJECE, ISSN: 2088-8708, a SCOPUS indexed Journal, SNIP: 1.001; SJR: 0.296; CiteScore: 0.99; SJR & CiteScore Q2 on both of the Electrical & Electronics Engineering, and Computer Science) is the official publication of the Institute of Advanced Engineering and Science (IAES). The journal is open to submission from scholars and experts in the wide areas of electrical, electronics, instrumentation, control, telecommunication and computer engineering from the global world.
Articles 6,301 Documents
Design of Digital Parity Generator Layout Using 0.7 micron Technology Wahab Musa; Sri Wahyuni Dali; Ade Irawaty Tolago
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 5: October 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (359.182 KB) | DOI: 10.11591/ijece.v8i5.pp3550-3559

Abstract

The proposed digital parity generator circuit is an integrated circuit functions to detect data errors at the transmitter end, and check it at the receiving end. In digital communications, the digital messages are transmitted in the form of 1’s and 0’s between two points. It is an error free if both are the same. The purpose of this research is to implement a design method of digital parity generator layout with 0.7 micron process technology ECPD07 from Tanner Tools. Layout design starts from making schematic circuit, test function and make a layout. Next, check the layout results in terms of design rules and verify the desired functionality gradually. The results show that the circuit has functioned well as an odd parity generator. The simulation results obtained with loads CL = 25 fF, tpLH = 2nS and tpHL = 1.46 nS indicate that tp = 1.73nS or operating frequency of 578 MHz. The integrated digital parity generator circuit using transmission gate has a size of 14758 um2 (78.5 um x188 um), consisting of 74 gates.
An enhanced kernel weighted collaborative recommended system to alleviate sparsity S. Babeetha; B. Muruganantham; S.Ganesh Kumar; A. Murugan
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 1: February 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.766 KB) | DOI: 10.11591/ijece.v10i1.pp447-454

Abstract

User Reviews in the form of ratings giving an opportunity to judge the user interest on the available products and providing a chance to recommend new similar items to the customers. Personalized recommender techniques placing vital role in this grown ecommerce century to predict the users’ interest. Collaborative Filtering (CF) system is one of the widely used democratic recommender system where it completely rely on user ratings to provide recommendations for the users.  In this paper, an enhanced Collaborative Filtering system is proposed using Kernel Weighted K-means Clustering (KWKC) approach using Radial basis Functions (RBF) for eliminate the Sparsity problem where lack of rating is the challenge of providing the accurate recommendation to the user.  The proposed system having two phases of state transitions: Connected and Disconnected. During Connected state the form of transition will be ‘Recommended mode’ where the active user be given with the Predicted-recommended items. In Disconnected State the form of transition will be ‘Learning mode’ where the hybrid learning approach and user clusters will be used to define the similar user models. Disconnected State activities will be performed in hidden layer of RBF and Connected Sate activities will be performed in output Layer. Input Layer of RBF using original user Ratings. The proposed KWKC used to smoothen the sparse original rating matrix and define the similar user clusters. A benchmark comparative study also made with classical learning and prediction techniques in terms of accuracy and computational time. Experiential setup is made using MovieLens dataset.
Development of a Home-based Wrist Rehabilitation System Radzi Ambar; Muhammad Faiz Zakaria; Muhammad Shukri Ahmad; Siti Zarina Muji; Muhammad Mahadi Abd Jamil
International Journal of Electrical and Computer Engineering (IJECE) Vol 7, No 6: December 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (971.002 KB) | DOI: 10.11591/ijece.v7i6.pp3153-3163

Abstract

There are several factors that may result to wrist injuries such as athlete injuries and stroke. Most of the patients are unable to undergo rehabilitation at healthcare providers due to cost and logistic constraint. To solve this problem, this project proposes a home-based wrist rehabilitation system. The goal is to create a wrist rehabilitation device that incorporates an interactive computer game so that patients can use it at home without assistance. The main structure of the device is developed using 3D printer. The device is connected to a computer, where the device provides exercises for the wrist, as the user completes a computer game which requires moving a ball to four target positions. Data from an InvenSense MPU-6050 accelerometer is used to measure wrist movements. The accelerometer values are read and used to control a mouse cursor for the computer game. The pattern of wrist movements can be recorded periodically and displayed back as sample run for analysis purposes. In this paper, the usefulness of the proposed system is demonstrated through preliminary experiment of a subject using the device to complete a wrist exercise task based on the developed computer game. The result shows the usefulness of the proposed system.
A data estimation for failing nodes using fuzzy logic with integrated microcontroller in wireless sensor networks Saad Al-Azzam; Ahmad Sharieh
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 4: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1071.43 KB) | DOI: 10.11591/ijece.v10i4.pp3623-3634

Abstract

Continuous data transmission in wireless sensor networks (WSNs) is one of the most important characteristics which makes sensors prone to failure. a backup strategy needs to co-exist with the infrastructure of the network to assure that no data is missing. The proposed system relies on a backup strategy of building a history file that stores all collected data from these nodes. This file is used later on by fuzzy logic to estimate missing data in case of failure. An easily programmable microcontroller unit is equipped with a data storage mechanism used as cost worthy storage media for these data. An error in estimation is calculated constantly and used for updating a reference “optimal table” that is used in the estimation of missing data. The error values also assure that the system doesn’t go into an incremental error state. This paper presents a system integrated of optimal data table, microcontroller, and fuzzy logic to estimate missing data of failing sensors. The adapted approach is guided by the minimum error calculated from previously collected data. Experimental findings show that the system has great potentials of continuing to function with a failing node, with very low processing capabilities and storage requirements.
Advanced player tracking system Ales Skerbinek; Bostjan Vlaovic
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 2: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2114.742 KB) | DOI: 10.11591/ijece.v9i2.pp1418-1425

Abstract

The Player Tracking System (PTS) is already well renowned in the Casino industry. It can track the activity of users and monitor the performance and operation of gaming machines. The recognized downside of such a system is that users usually do not want to be tracked, mostly, because they feel that the functioning of the gaming machine might be tampered with to minimize their winning potential. PTS has to offer a variety of services to stimulate a user to use the membership card. In this paper, we propose an Advanced PTS that simplifies some tedious tasks, automates conversion of bonus points to playing credits, displays jackpot counters, introduces the gaming machine reservation system, provides cashless transfers, delivers interactive personalized awards and promotions with prize winning games, enables ordering of refreshments from the gaming machine, and provides some additional innovative features. Its use reduces the workload of casino employees and enables the casino management team to access configuration of the system and analytical data with the use of a web browser from all desired locations and devices. The biggest installation of the presented APTS manages more than 400 gaming machines, and is well-received by the users.
Iris Image Quality Testing and Iris Verification Lidong Wang
International Journal of Electrical and Computer Engineering (IJECE) Vol 3, No 4: August 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.953 KB)

Abstract

The purpose of this study was to investigate the iris image quality and iris verification of eyes in brown, hazel, green, and blue, respectively, and the iris image quality and iris verification under different conditions such as the changed stand-off distances, the motions of the head and eyes, with glasses, and without glasses. A comparative study of three eye colors in brown, hazel, and green was conducted using a non-parametric method based on the H test. The H test results show that there is no significant difference in the iris image quality of eyes in brown, hazel, or green when the level of significance is 0.05.DOI:http://dx.doi.org/10.11591/ijece.v3i4.2769
Sociopsychotechnological Predictors of Individual’s Social Loafing in Virtual Team Juneman Abraham; Melina Trimutiasari
International Journal of Electrical and Computer Engineering (IJECE) Vol 5, No 6: December 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (198.656 KB) | DOI: 10.11591/ijece.v5i6.pp1500-1510

Abstract

The rapid development of technology and the demands of the workers to be productive have made efficiency and effectiveness of virtual team collaboration is becoming increasingly urgent lately. Therefore, it is important to identify the variables undermining the efficiency and effectiveness. This study aimed to investigate the role of perceived usefulness, perceived ease of use, and perceived playfulness of online collaboration tool (as elements of technology acceptance) and xenophobia in predicting social loafing (at the individual level)─a social psychological phenomenon that shows the declining performance of the individual when working in the group. The contribution of this research is its attempt to combine social psychological and technological factors in explaining human performance in the context of the group when interacting with technology. The research design was correlational predictive, with multiple linear regression data analysis technique. Participants of this study were 80 students and employees (43 males, 37 females; mean of age = 25.58 years of old, standard deviation of age = 4.92 years) who work using online collaboration tool in a virtual team. The results showed that the perceived playfulness, perceived ease of use, and xenophobia were able to predict an individual’s social loafing, but the perceived usefulness is not able to predict it. Implications of the results of research in order to prevent social loafing are stated in the Discussion section.
Effect of errors on miss distance of missile trackers in active decoy environment Edury Vijaya lakshmi; N. N. Sastry; B. Prabhakar Rao
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 6: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.844 KB) | DOI: 10.11591/ijece.v9i6.pp4696-4702

Abstract

Lock on missiles are a major threat to vital installations. Soft kill solutions against lock on incoming missiles such as deployment of active decoys can be very effective to war of threat. The weaknesses in onboard missile tracking radars can be gainfully used to increase the miss distance between target and the missile. The effect of geometrical positioning errors of two horn monopulse missile mounted radars has been analyzed in this paper. As so gain differences between the two horns can cause variations in the miss distance. This aspect has also been studied. The variation of miss distance with jammer power to signal ratio (J/S) is also presented. It can be seen that the miss distance is always midway between the target and the decoy. Random angular positioning errors of the missile radar have been analyzed and it is found that the miss distance increases with increase of angular errors.
Review on Security Aspects for Cloud Architecture Shaz Alam; Mohd Muqeem; Suhel Ahmad Khan
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 5: October 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (208.256 KB) | DOI: 10.11591/ijece.v8i5.pp3129-3139

Abstract

Cloud computing is one of the fastest growing and popular technology in the field of computing. As the concept of cloud computing was introduced in 2006. Since then large number of IT industries join the queue to develop many cloud services and put sensitive information over cloud. In fact cloud computing is no doubt the great innovation in the field of computing but at the same time also poses many challenges. Since a large number of organizations migrate their business to cloud and hence it appears as an attractive target for the malicious attack. The purpose of the paper is to review the available literature for security concerns and highlight a relationship between vulnerabilities, attacks and threats in SaaS model. A mapping is being presented to highlight the impact of vulnerabilities and attacks.
Asymptotic Stability of Quaternion-based Attitude Control System with Saturation Function Harry Septanto; Djoko Suprijanto
International Journal of Electrical and Computer Engineering (IJECE) Vol 7, No 4: August 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.754 KB) | DOI: 10.11591/ijece.v7i4.pp1994-2001

Abstract

In the design of attitude control, rotational motion of the spacecraft is usually considered as a rotation of rigid body. Rotation matrix parameterization using quaternion can represent globally attitude of a rigid body rotational motions. However, the representation is not unique hence implies difficulties on the stability guarantee. This paper presents asymptotically stable analysis of a continuous scheme of quaternion-based control system that has saturation function. Simulations run show that the designed system applicable for a zero initial angular velocity case and a non-zero initial angular velocity case due to utilization of deadzone function as an element of the defined constraint in the stability analysis.

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