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INDONESIA
Indonesian Journal of Electrical Engineering and Computer Science
Published by Institute of Advanced Engineering and Science
ISSN : 25024752     EISSN : 25024760     DOI : -
Core Subject :
Arjuna Subject : -
Articles 9,226 Documents
 287   288   289   290   291 
Sparse Modeling with Applications to Speech Processing: A Survey Ahmed Omara; Alaa Hefnawy; Abdelhalim Zekry
Indonesian Journal of Electrical Engineering and Computer Science Vol 2, No 1: April 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v2.i1.pp161-167

Abstract

Nowadays, there has been a growing interest in the study of sparse approximation of signals. Using an over-complete dictionary consisting of prototype signals or atoms, signals are described by sparse linear combinations of these atoms. Applications that use sparse representation are many and include compression, source separation, enhancement, and regularization in inverse problems, feature extraction, and more. This article introduces a literature review of sparse coding applications in the field of speech processing.
Prediction of Electric Power Consumption Based on the Improved GM(1, 1) Zhengren Wu; Mei Liu; Xin Wang
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 8: August 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Based on the electric power consumption data in 2001-2010, this paper discusses GM (1, 1) model and its improved model in the application of power consumption forecasting. Due to the traditional Grey Model itself has certain defects, we grouped the original sequence according to the degree of deviation first, and then combined with nonlinear GM (1, 1, α) to improve the traditional GM (1, 1) model. Through the relative error testing and the posterior testing, this paper made a comparative analysis to the traditional GM (1, 1) model and the improved GM. Example of Beijing shows that the improved model had good accuracy; it had a good application value in the actual prediction system. DOI: http://dx.doi.org/10.11591/telkomnika.v11i8.3104
Data Mining Approach to Herbs Classification Adillah Dayana Ahmad Dali; Nurul Aswa Omar; Aida Mustapha
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: November 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i2.pp570-576

Abstract

Herbs are one of the high-value products in Malaysia. The term ‘herbs’ has more than one definition. It is also demanding by multiple manifolds. Herbs are used in many sectors nowadays. The ability to identify variety herbs in the market is quite hard without the intervention of human experts. Unfortunately, human experts are prone to error. Herbs classification is able to assist human experts and at the same time minimizing the intervention. This research performs identification and classification of herbs based on image capture ad variety of classification algorithms such as an Artificial Neural Network (ANN), K-Nearest Neighbors (IBK), Decision Table (DT) and M5P Tree algorithms. The selected algorithms are implemented and evaluated to their relative performance and IBK is found to produce the highest quality outputs.
A Compact CPW-Fed Curved Meander Line Monopole Antenna (MLMA) for GSM Application Nor Afifah Borhan; Noor Asniza Murad
Indonesian Journal of Electrical Engineering and Computer Science Vol 6, No 1: April 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v6.i1.pp207-211

Abstract

Monopole antenna is widely used in many communication systems especially in broadcasting where omnidirectional pattern allow the 360-degree coverage. However, at low frequency the conventional design may require miniaturization to fit in versatile spaces. Thus, this paper discusses a low cost, compact CPW-fed curved meander line monopole antenna (MLMA) designed to operate at 0.9 GHz GSM band. The overall dimension is 25mm x 80mm. The antenna is well matched at required GSM band with the bandwidth from 0.88 GHz to 0.93 GHz. Comparison between the conventional MLMA and curved (MLMA) is made in term of return loss and gain. It was found that the curved MLMA has a better gain compared to the conventional MLMA which is 1.472 dB.
Energy efficiency index by considering number of occupants: a study on the lecture rooms in a university building Noor Ameera Zakaria; Mohammad Yusri Hassan; Hayati Abdullah; Md Pauzi Abdullah; Faridah Hussin; Siti Maherah Hussin; Nur Najihah Abu Bakar
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 3: September 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v15.i3.pp1154-1160

Abstract

The building sector is attributed to approximately 40% of the nation’s energy consumption and this accounts for a significant percentage of the nation’s energy consumption. For this reason, energy efficiency in buildings has now become an important subject in the national energy scenario. Energy Efficiency Index (EEI) is one of the energy consumption indicators that is widely used in the building sector for measuring energy performance. This index is generally measured based on the energy used per unit of building floor area. However, this index is not able to directly identify other factors affecting energy usage. This paper suggests an Energy Efficiency Index (EEI) for determining the performance of lecturer rooms in a university building. Unlike the conventional EEI, the proposed EEI determines the room’s energy usage performance by considering the number of occupants. The study was conducted at the Faculty of Electrical Engineering, Universiti Teknologi Malaysia (UTM) and the results show that the number of occupants significantly influences the energy usage performance of rooms in a university building.
Creating the Environment for the Prosperity of Cloud Computing Technology Fa-Chang Cheng; Wen-Hsing Lai
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 4: August 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

The key point for the success of clouding computing technology in terms of application is whether such operation can produce the sense of trustworthiness to its users. Technical measurement has always been the fundamental preventive precaution, no matter what kind of aspect in dealing with producing the sense of trustworthiness.  Except technical measurement, there are two developing issues surrounding the central idea worth notice, which are the protection of information privacy and the jurisdictional issue. The main purpose of this article is to focus on the issue of protecting information privacy and jurisdictional problem through the newly developed cloud computing technology. This article will first introduce the characteristics of cloud computing technology in order to pave the way for further discussion. Then the issue of protecting information privacy and jurisdictional problem will be discussed through disparity of legal protection of information privacy and principles for asserting jurisdiction within Internet. The personal observation and suggestion will be made at the end of this article for a future possible adjustment of infrastructure for the protection of information privacy and jurisdictional decision within cyberspace in order to promote the sense of trustworthiness of the cloud computing technology user. DOI: http://dx.doi.org/10.11591/telkomnika.v10i4.878
Simulate Study of Automatic Parking System Tie Wang
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 12: December 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

The vehicle's kinematic model is established at the condition that the vehicle is in a low speed reversing movement. The particle swarm optimization algorithm is used to the path planning. Through analysing fuzzy control knowledge, use a fuzzy method to control the process of the parking. The simulate results of parking process was gotten in the environment of MATLAB7.0 software. DOI: http://dx.doi.org/10.11591/telkomnika.v11i12.2631 
Design and Implementation of Probe Driver Teleoperative Force Feedback System Amjad Ali Syed; Xing-guang Duan; Arbab Nighat Khizer; Mengli Mengli; Xiangzhan Kong; Qiang Huang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 6: June 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

The basic need of neurosurgery is to insert the probe into the key hole linearly for performing functional neurosurgery, trigeminal neuralgia surgery, biopsies, deep brain stimulation, and stereo-EEG. Recently, tele-robotic systems have been introduced to assist surgeon during invasive procedures to obtain desired results. In this paper, a linear probe driving tele-operative system with force feedback is proposed. The proposed system is highly accurate, stable, and safe and provides haptic transparency to the surgeon during its operation. The master slave architecture, control system and software application are designed to inject and eject probe driving trials. The experiments are performed on a piecewise linear Plasticine model. The accuracy, stability, repeatability of the system and haptic force feedback fidelity are discussed in the results.  DOI : http://dx.doi.org/10.11591/telkomnika.v12i6.5277
Path Planning Optimization for Teaching and Playback Welding Robot Yuehai Wang; Ning Chi
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 2: February 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Path planning for the industrial robot plays an important role in the intelligent control of robot. Tradition strategies, including model-based methods and human taught based methods, find it is difficult to control manipulator intelligently and optically. Thus, it is hard to ensure the better performance and lower energy consumption even if the same welding task was executed repeatedly. A path planning optimization method was proposed to add learning ability to teaching and playback welding robot. The optimization was divided into the welding points sequence improvement and trajectory improvement, which was done both on-line and off-line. Points sequence optimization was modeled as TSP and was continuously improved by genetic algorithm based strategy, while the trajectory between two welding points was on-line improved by an try-and-error strategy where the robot try different trajectory from time to time so as to search a better plan. Simulation results verified that this control strategy reduced the time and energy cost as compared with the man-made fix-order sequence. Our method prevents the robot from the computation-intensive model-based control, and offers a convenient way for self-improvement on the basis of human teaching. DOI: http://dx.doi.org/10.11591/telkomnika.v11i2.2061
Energy Efficient for Web of Things Based on Reconfigurable Smart Quality Management Scheme Prasanna Moorthi N; V Mathivananr
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 2: February 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i2.pp279-281

Abstract

Since the powerful and productive arrangement of water quality observing (WQM) are basic usage for the issue of contaminated water all inclusive, with expanding in the advancement of Wireless Sensor Network (WSN) innovation in the Internet of Things (IoT) condition, ongoing water quality checking is remotely checked by methods for continuous information obtaining, transmission and handling. This paper exhibits a reconfigurable brilliant sensor interface gadget for water quality checking framework in an IoT situation. The brilliant WQM framework comprises of Field Programmable Gate Array (FPGA) outline board, sensors, Zigbee based remote correspondence module and (PC). The FPGA board is the center part of the proposed framework and it is customized in fast incorporated circuit equipment depiction dialect (VHDL) and C programming dialect utilizing Quartus II programming and Qsys instrument. The proposed WQM framework gathers the five parameters of water information, for example, water pH, water level, turbidity, carbon dioxide (CO2) on the surface of water and water temperature in parallel and progressively premise with fast from numerous distinctive sensor hubs.

Page 289 of 923 | Total Record : 9226

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