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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 9,199 Documents
 365   366   367   368   369 
Fuzzy Expert System for Tropical Infectious Disease by Certainty Factor I ketut Gede Darma Putra; Putu Manik Prihatini
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 6: October 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Communication between doctor and patient play an important role in determining the diagnosis of the illness suffered by the patient. Consultation time constraints led to insufficient information obtained to produce a diagnosis. This limitation is overcome by developing an expert system using fuzzy logic to represent the vagueness of symptoms experienced by patients and the certainty factor represents a relationship between the symptoms and disease. Fuzzy logic method begins with the acquisition of knowledge to produce the facts and rules, implication process, composition and defuzzification. The result of defuzzification used in the calculation of sequential and combined certainty factor which represent the belief percentage of diseases diagnosis that suffered by the patient. The results of the expert diagnosis with expert system for the given cases indicates the system, has the similarity diagnosis with the expert at 93.99%. DOI: http://dx.doi.org/10.11591/telkomnika.v10i6.1223
TRIGA PUSPATI reactor: model analysis and accuracy Nor Arymaswati Abdullah; Azura Che Soh; Samsul Bahari Mohd Noor; Ribhan Zafira Abd. Rahman; Julia Abd Karim
Indonesian Journal of Electrical Engineering and Computer Science Vol 20, No 2: November 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v20.i2.pp788-797

Abstract

There are many challenging issues with research reactor, such as time variation and uncertainty. Since its first criticality in 1982, the biggest changes in TRIGA PUSPATI Reactor system is the replacement of instrumentation and control console system from analogue to digital in 2013. Apart from providing methods of controlling the power reactor via the control rod movement, the Instrumentation and Control Console System also provides monitoring and display for all reactor parameters to protect the reactor from undue influences or abnormal circumstances. Meanwhile, the simulation model of the TRIGA PUSPATI Reactor system has been developed in the Simulink-MATLAB. The simulation model development is based on the research reactor mathematical representatives and the real plant parameters of TRIGA PUSPATI Reactor. However, the performance of this simulation model needs to be evaluated. Since there is no report or paper work found on the performance of the simulation model to represent the real system of RTP, the present study aims to carry out an analysis for more rigorous understanding of the TRIGA PUSPATI Reactor model simulation through validation and verification methods. After analysing the result, it was found that the simulation model has a good representation of a real plant.
Real-Time Automatic Obstacle Detection and Alert System for Driver Assistance on Indian Roads Sachin Sharma; Dharmesh Shah
Indonesian Journal of Electrical Engineering and Computer Science Vol 1, No 3: March 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v1.i3.pp635-646

Abstract

Road crashes have been a major problem in India in recent times. The occurrences have increased considerably owing to the influx of four-wheelers and two-wheelers. The interior roads connecting villages and towns have been instrumental in multiple animal-vehicle collisions. Although the figure is not too large compared to other causes of road-related injuries, they are significant in number. Though numerous efforts have been in progress to solve and reduce the number of collisions, lack of practical applications and resources along with quality analytical data (for training and testing) related to animal-vehicle collision has impeded any major breakthrough in the scenario. In our current work, we have proposed and designed a system based on histogram research including oriented gradients and boosted cascade classifiers for automatic cow detection. The method is implemented in Opencv software and tested on various video clips involving cow movements in various scenarios. The proposed system has achieved an overall efficiency of 80% in terms of cow detection. The proposed system is a low-cost, highly reliable system which can easily be implemented in automobiles for detection of cow or any other animal after proper training and testing on the highway.
Performance evaluation of UE-controlled intelligent handover algorithm for natural disaster Azita Laily Yusof; Ainnur Eiza Azhar; Norsuzila Ya’acob
Indonesian Journal of Electrical Engineering and Computer Science Vol 20, No 1: October 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v20.i1.pp24-30

Abstract

This paper proposes a UE-controlled intelligent handover algorithm for natural disaster. In this handover algorithm, two variables known as modified received signal strength (RSSm) and left over power (LoP) are identified. The RSSm is an improved formulation from RSS where distance fraction coefficient has been introduced. The fraction coefficient of 0.2 is used where the affected areas is reduced so that the users can receive good signal quality due to its location near to the base station. Meanwhile, the LoP also has been investigated to control power consumption of base station. In this research, 80% RSSm and 20% LoP has been chosen for the proposed handover algorithm as it can maintain good quality of service (QoS) for all users and also can prolong battery life.  From the simulation results obtained, the average number of handovers for the proposed handover algorithm outperformed the conventional natural disaster handover algorithm.
Design of A Center Deviation Adaptive Bearing Pressure Assembly Machine Guangguo Zhang; Lei Zhang; Zhibin Chang
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

A car transmission in order to solve the production of eight gear and nine file two models of the transmission of tapered roller bearing outer ring manual assembly accuracy, low noise, the efficiency is low, the labor intensity and difficult to realize automatic assembly line requirements so assembly problem, put forward the center deviation adaptive bearing pressure assembly machine development. Through the research, design, test and making, eventually developed used in automobile gearbox bearing pressure assembly machine. Therefore  the automatic production is achieved,which improves the production efficiency, ensures the assembly quality, and brings higher profit to the enterprise. DOI: http://dx.doi.org/10.11591/telkomnika.v10i4.859
Security in Wireless sensor network: Approaches and Issues Raja Waseem Anwar; Majid Bakhtiari; Anazida Zainal; Kashif Naseer Qureshi
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v15.i3.pp584-590

Abstract

Wireless sensor network is a tremendous emerging technology provides communication services for environmental monitoring and target tracking for mass public and military. With increasing of this smart network popularity sensor network faced various challenges and threats. The inclusion of wireless sensor nodes also incurs different types of security threats in network. Mostly networks are using shared key approaches to make less communication overhead, but still network compromise with replay impersonation and compromise attacks. The existing proposed schemes are not fully addressed other network resources such as energy and speed, etc.  The intent of this paper is to provide a comprehensive security requirement, detail about security attacks in network and discuss the existing security schemes.
A Survey on Weighted Network Measurement and Modeling Xin Xia; Shu-xin Zhu
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 1: January 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Real networks have complex topological structure characteristics such as pares of nodes have different strength and capacity connection. There are many instances in our real life. Every person has strong or weak relationship with others in social network and different reaction paths have non-uniform flow in metabolic network. In the food chain predator and prey have diverse relation and in the neural network electrical signal transmission paths have different capacity. All these systems could be described well by the concept of weighted network and weight of each edge in weighted network stand for the connection strength among individuals. This paper aims to provide an overview of recent advances in such study area. We first introduce a series of weighted network statistical characteristic parameter and concepts .Then in particular, we also discuss some practical network application examples. Empirical results show that pure topological model is not sufficient to explain the abundant and complex characteristics observed in real systems and it is necessary to improve such model. So we finally focus on some latest optimized weighted network models and give comparisons. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1886
Optimal Placement of Phasor Measurement Unit for Better Power System Observability K. Deebiga; A. Raqib Hussain
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 2: May 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

Secure and reliable opertation of the grid requires real time monitoring and control of entire power system. Phasor measurement units (PMU) are being deployed for real time monitoring and analysis of power system. The most important factor to be considered in placement problem is observability of power system with minimum number of PMUs. This paper proposed an Integer Linear Programming (ILP) based optimization approach to minimize the number of PMUs in the network. The proposed work determines the number of PMUs and its placement, while maximizing the system observability in normal operating condition. In this paper modeling of zero-injection bus has been formulated to reduce the number of PMUs further. Simulations are carried out in Standard IEEE 14 and IEEE 30 bus system, the results indicate the ILP approach determines the minimum number of PMUs and improves Observabiltity of the Power System. DOI:  http://dx.doi.org/10.11591/telkomnika.v14i2.7605 
A New Type of Dehumidifier for Enclosed High-voltage Switchgear Cabinet Jinbo Zhang; Tongguang Shao; Yu Wang; Jing Wang
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 7: November 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

In order to eliminate the internal condensation of enclosed switchgear cabinet, this paper introduced a subminiature and high-performance dehumidifier based on semiconductor refrigeration technology. This equipment utilized a Fuzzy self-tuning PID intelligent controller to monitor the humidity change in the cabinet continuously and judged the dehumidifier start-stop automatically. Besides, real-time communication with a host computer through RS485 interface was also considered. Experiments showed that this design could effectively reduce the internal humidity, eliminate the condensation, and provide a practical and effective solution to prevent the power device accidents caused by wet and condensation. DOI: http://dx.doi.org/10.11591/telkomnika.v10i7.1555
Investigation on the BER performance of downlink JT-CoMP-NOMA with different modulation schemes Norshidah Katiran; Shaharil Mohd Shah; Noorsaliza Abdullah; Aimi Syamimi Abdul Ghaffar; Faiz Asraf Saparudin
Indonesian Journal of Electrical Engineering and Computer Science Vol 20, No 3: December 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v20.i3.pp1309-1314

Abstract

The principle of joint transmission coordinated multipoint with non-orthogonal multiple access (JT-CoMP-NOMA) is to allow multiple cells in the network to cooperatively transmit data to users using the same network resources in frequency and time domains. The approach would be beneficial in enhancing the system performance in the context of spectral efficiency. This paper presents the performance comparison of JT-CoMP-NOMA for several modulation schemes including QPSK, 16-QAM and 64 QAM in downlink transmission in the context of bit error rate. We conduct an investigation to compare the error performance of JT-CoMP-NOMA with NOMA system. Our simulation results demonstrate that the JT-CoMP-NOMA provides lower bit error rate compared to NOMA system.

Page 367 of 920 | Total Record : 9199

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