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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 48 Documents
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Search results for , issue "Vol 9, No 1: January 2018" : 48 Documents clear
Parallelization of Pairwise Alignment and Neighbor-Joining Algorithm in Progressive Multiple Sequence Alignment Agung Widyo Utomo
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp234-242

Abstract

Progressive multiple sequence alignment ClustalW is a widely used heuristic method for computing multiple sequence alignment (MSA). It has three stages: distance matrix computation using pairwise alignment, guide tree reconstruction using neighbor-joining and progressive alignment. To accelerate computing for large data, the progressive MSA algorithm needs to be parallelized. This research aims to identify, decompose and implement the pairwise alignment and neighbor-joining in progressive MSA using message passing, shared memory and hybrid programming model in the computer cluster. The experimental results obtained shared memory programming model as the best scenario implementation with speed up up to 12 times.
Ziegler-Nichols Based Proportional-Integral-Derivative Controller for a Line Tracking Robot Kim Seng Chia
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp221-226

Abstract

Line tracking robots have been widely implemented in various applications. Among various control strategies, a proportional-integral-derivative (PID) algorithm has been widely proposed to optimize the performance of a line tracking robot. However, the motivation of using a PID controller, instead of a proportional (P) or a proportional-integral (PI) controller, in a line tracking task has seldom been discussed. Particularly, the use of a systematic tuning approach e.g. closed loop Ziegler Nichols rule to optimize the parameters of a PID controller has rarely been investigated. Thus, this paper investigates the performance of P, PI, and PID controllers in a line tracking task, and the ability of Ziegler Nichols rule to optimize the parameters of the P, PI, and PID controllers. First, the ultimate gain value, Ku and ultimate period of oscillation, Pu were estimated using a proposed approach. Second, the values of KP, KI and KD were estimated using the Ziegler Nichols formulae. The performance of a differential wheeled robot in the line tracking task was evaluated using three different speeds. Results indicate that the Ziegler Nichols rule coupled with the proposed method is able to identify the parameters of the P, PI, and PID controllers systematically in the line tracking task. Findings indicate that the mobile robot coupled with a proportional controller achieved the best performance compared to PI and PID controllers in the line tracking process when the estimated initial parameters were used.
Performance of Principal Component Analysis and Orthogonal Least Square on Optimized Feature Set in Classifying Asphyxiated Infant Cry Using Support Vector Machine R. Sahak; W. Mansor; Khuan Y. Lee; A. Zabidi
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp139-145

Abstract

An investigation into optimized support vector machine (SVM) integrated with principal component analysis (PCA) and orthogonal least square (OLS) in classifying asphyxiated infant cry was performed in this study. Three approaches were used in the classification; SVM, PCA-SVM, and OLS-SVM. Various numbers of features extracted from Mel-frequency Cepstral coefficient (MFCC) were tested to obtain the optimal parameters of SVM kernels. Once the optimal feature set is obtained, PCA and OLS selected the most significant features and the optimized SVM then classified the selected cry patterns. In PCA-SVM, eigenvalue-one-criterion (EOC), cumulative percentage variance (CPV) and the Scree test (SCREE) were used to select the most significant features. SVM with radial basis function (RBF) kernel was chosen in the classification stage. The classification accuracy and computation time were computed to evaluate the performance of each method. The best method for classifying asphyxiated infant cry is PCA-SVM with EOC since it produces the highest classification accuracy which is 94.84%. Using PCA-SVM, the classification process was performed in 1.98s only. The results also show that employing feature selection techniques could enhance the classifier performance.
A PV FED Three Phase Switched Z-source Multi Level Inverter for Induction Motor Drives Sinu KJ; G. Ranganathan
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp24-28

Abstract

Generally induction motor drives posses higher harmonic contents in line voltage and current due to high switching frequency used in inverters. Conventional induction motor drives employ two level voltage source inverters which has THD in level of 50%. This paper presents a switched z-source multilevel inverter which has voltage boosting capability and has lesser THD level in comparison with conventional two level voltage source inverters. This drive is fed from a photo voltaic source because of its voltage boosting capability. A single phase five level switched z-source inverter is initially designed and considered as single cell and three such cells are created for powering three phase induction motor. The proposed three cell PV source switched z-source multilevel inverter for three phase induction motor is simulated in MATLAB/Simulink software to verify merits of proposed IM drive
Achievement of a Radio Monitor Station Management Data Framework Sarfaraz Ahmed; T. Senthil Kumaran
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp53-55

Abstract

A radio monitor station (RMS) gathers the radio flag data of a substantial scope of recurrence for the administration. The framework is completely fledged with essential and propelled functionalities and now in charge of a common of radio transmission capacity use. To address the difficulties of huge dynamic information, we have built up an area particular management data framework (MDF) for the radio monitor stations. The framework outline and usage are depicted in the paper. A calculation is furnished to work with the radio transmission models for count of the radio flag scopeday by day RMS management in practice.
Changing the Electrical Safety Culture Benjamin Franklin A; Sasilatha T
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp93-96

Abstract

Electrical wellbeing - Where were we yesterday? Where are we today? Where will we be later on? The wellbeing society is proceeding to advance to give a more secure workplace to individuals working around electrical hardware. To enhance electrical security, it takes sense of duty regarding consistent change of the electrical wellbeing society. New musings and thoughts to enhance electrical wellbeing are basic. This paper addresses how function hones have changed after some time and prescribes thoughts to overhaul the current electrical culture. To change the current security culture new thoughts should be produced to cause higher execution in electrical wellbeing for all individuals presented to electrical risks. New circuit testers take in great and unfortunate propensities from more experienced circuit testers. Human execution depends on a mix of information, abilities, and educated practices. Convictions can be affected through perceptions and collaborations with different experts. The estimation of value mentorship conveys a high level of obligation to guarantee legitimate wellbeing rehearses is taken after. Almost no exertion has been given to preparing the nonelectrical labourers that are presented to electrical risks. Preparing for non-electrical labourers is a missing component in the present electrical security culture. A principal contention in this paper is that culture speaks to the entirety of what is regularly adequate without examination. The way of life is likewise determined by regular perception and experience. With a specific end goal to change the way of life there must be a redefinition of what is satisfactory, trailed by noticeable changes that everybody can understanding and watch. Administration possesses culture since it sets what is passable and satisfactory. Accordingly, the fate of electrical wellbeing will rely upon how well administration comprehends the hazard and results of electrical work and their duty in moulding and owning electrical security strategies. Enter components tended to in this paper incorporate human execution, innovation changes, adjusting to change, actualizing new thoughts to enhance security and how staff changes inside an enterprise can influence wellbeing execution. 
A Study of Secured Enabled Passive Optical Network Enabling RoF M. Deepak
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp43-48

Abstract

Innovation is an incorporation of radio sign in optical fiber transmission inside of system foundations that are thought to be financially savvy, pragmatic and moderately adaptable framework setup for whole deal transport remote signs. This venture proposes a Next era PON construction modeling backings RoF and OFDMA signal coordination without WDM lasers, and exhibit that 10-Gb/s OFDMA and three RF signals at 2.1GHz are transmitted more than 20km SMF in a 32-ONU in both upstream and downstream bearing. A security control unit and an optical switch are utilized associating four Optical Line Terminations (OLTs) with everyone serving just 32 Optical Network Units (ONUs). Insurance control unit gathers data of ONUs served by each OLT, and when an OLT falls flat, it will educate an active OLT to help its unique ONUs together with the burden served by the fizzled OLT.
Decentralized Energy Resource Management Problems of Multi Agent Negotiation Framework D. Suganthy; G. Ranganathan
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp115-117

Abstract

This paper proposes the idea of Distributed Energy Resource (DER) management, in light of dynamic bunching of energy assets for better coordination of free market activity. An audit on load profiling and estimating components is given which to be used in building information, required for nearby and worldwide coordination. To stay away from substantial scale complexities, a decentralized control approach with Multi Agent Negotiation Framework (MANF) is conveyed. An audit on MANF innovations and their application in power framework is displayed. With MANF we give a system to planning maker, shopper and group specialists. These specialists additionally negotiate Service Level Agreements for overseeing free market activity and ideally using the energy assets.
Identifying the Breakdown Voltages of Vegetable Oils with Silicone Carbide Nanoparticle Additive as Insulating Oil for Transformers Muhammad bin Yahya; Nurul Aifaa Najihah binti Maliki
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp170-176

Abstract

This paper discusses on the breakdown voltage of vegetable oils with nanoparticles added to be used as insulating oil for transformers. Raw samples of Palm Oil (PO) and Coconut Oil (CO) were used in this research. Different percentages of silicone carbide (SiC) nanoparticles was added into the samples of the vegetable oils. The different parameters of the vegetable oil mixtures were investigated through the breakdown voltage tests to analyse the effect of the additive on the dielectric strength of the oils. The performance of insulating oils varies according to the percentage of nanoparticles added through viscosity test and partial discharge (PD) measurement. The initial results for vegetable oils showed that the percentage of additives influenced the value of breakdown voltage of the oils highly. Furthermore, the result shows that PD measured became very low after the addition of silicone carbide nanoparticles.
A Fusion Network for Nautical On-Board Communications Capt. Samson Joseph
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp1-4

Abstract

Modern maritime on-board communications have to be improved for safety and security. Current technology provides ease and expediency together to the crew and passengers with the help of ubiquitous technologies. Making use of Wireless Sensor Network (WSN) on board is a current custom of implementing ubiquitous technology for ships as it is important for an on-board communication system which provides reliability and flexibility for handling emergency situations. Two key phases of this scheme are: merging different on-board communiqué networks into a fusion system and enabling the cooperation between them; smoothly incorporating these networks with a consideration of backward compatibility, ease of deployment and association to shore via Internet. A combined integration move towards is selected based on comprehensive analysis.

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