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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
 86   87   88   89   90 
RFID-GPS based mechanism using aodvrp for stolen vehicle detection in vanet Varun Chand; Karthikeyan J
Indonesian Journal of Electrical Engineering and Computer Science Vol 18, No 1: April 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v18.i1.pp396-404

Abstract

The traffic on the road was in the rise for the past few years, with more and more vehicles enter the road there was less scope of having better traffic. However, it could be maintained with the implementation of the proper system. The other major concern was on the theft of the vehicles and the accidents the drivers succumb to while in the road. This paper recommends the novel RFID-GPS mechanism based on AODV Routing Protocol algorithm in the hybrid VANET configuration that was working as a decentralized Ad hoc. The algorithm was framed in such a manner that it could be effective in maintaining traffic through communication among Vehicles and vehicles (OBUs) to the Roadside Unit (RSU). The RSUs would generate the possible route by Ad hoc On-demand Distance vector routing protocol and control the signals within the accessible limit if there were an emergency. The information about the stolen vehicles and the driver would be sent to the police station and hospital respectively that aid to track the vehicle by the Radio Frequency Identification-Global Positioning System (GPS) information and save the driver in case of an accident. The performance of the RFID-GPS mechanism based on AODV algorithm based on VANET was analyzed in NS2 and is related to the existing Zigbee. The outcomes exhibited that the proposed method was better in all performance metrics especially in throughput.
A Small-sized High-performance Storage Module for High-g Measurement Chu Chengqun; Ren Yongfeng; Zhang Qingzhi; Zheng Yongqiu; Liu Xin
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

The storage capacity, speed and the dimension of the storage device is restricted in the impact test environment. In order to meet high speed data transmission, data logging high reliability requirements in high-g environment measurement, the paper presents the design of a miniature high-performance memory module.The module using a high-speed serial transceiver as the input interface, and through the FPGA to achieve real-time processing the high-speed data store into the large capacity memory chip. The dimension of the circuit module is merely 33mm×33mm but the storage rate can be up to 60Mbyte/s, and the capacity is 8Gbyte. Ensuring continuous and reliable operation requires a dedicated buffer for the data transmission. The paper proposes a multilevel high-speed buffer structure based on the field programmable gate array technology for speeding up data access. Then, the paper presents a protection shell for the circuit module, which introduces a steel shell filled with two-component epoxy resin for the protection in the high-g harsh environment.  At the test of projectile penetrate the concrete; the impact acceleration peak is up to 1.42×105g. But the data storage module is stable and the inner circuit is well work under the impact, which validates the anti-impact protective structure designed by the method has the higher reliability. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.3785
A Design of Bang-Bang PLL in Low Jitter and Wide Pull-in Range Xihong Chen; Qiang Liu; Denghua Hu
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 12: December 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i12.pp8212-8216

Abstract

As bang-bang PLL (BBPLL) could resume clock data rapidly, its application in clock data recovery has become increasingly abroad. Aiming at the contrary demand of lower jitter and wider pull-in range of BBPLL, the issue puts forth a method to choose the most appropriate gain of digitally controlled oscillator (DCO) to settle. A judged and modified model has been added to the 2nd order traditional BBPLL, which modified the gain of DCO dynamically by step forward method. Meanwhile it proposes pull-in jitter function (PJF) to judge the modified results. Then it takes a gradual comparison means to search the max PJF. It could be concluded from the simulations that the algorithm of the issue could get a compromise DCO gain in view of BBPLL’s jitter and pull-in range.
Information Security Risk Assessment Based on Analytic Hierarchy Process Ming Xiang He; Xin An
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.pp656-664

Abstract

Information security risk assessment was an important component of information systems security engineering and the selection of assessment method had a direct impact on the final results of the assessment. But there were too many elements in the process of information security risk assessment. How to find the optimal elements from many elements to simplify the calculation of risk value and provide a strong basis for taking relevant measures, which was a problem needed to be solved. In addition, the reliability of the risk assessment results could not be guaranteed only through a single qualitative or quantitative assessment method. By Analytic Hierarchy Process (AHP), the relative weight of elements related to information security risk could be calculated. Then the optimal indicators, which provided a strong basis for taking relevant measures, could be selected by sorting the weights of elements to reduce the number of indicators. Moreover, Analytic Hierarchy Process, a method of the combination of qualitative and quantitative assessment methods, could overcome the shortcomings of single qualitative or quantitative assessment method.
Study on Objective Integrated Control of New Energy Power Projects Based on Reliability Theory Yunna Wu; Zezhong Li; Lirong Liu
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 research status of objective control theory of new energy power projects, analysed the system components of power projects, proposed the subsystem reliability control theory directed at four objectives, gave reliability control standards and calculation methods of four objectives, obtained the objective integrated method of subsystem reliability, used disjoint minimal path sets method to deal with the minimal path sets in the project construction process, proposed system reliability control theory of new energy power projects, then combined the known reliability control standards to assess project reliability, finally established objective integrated control model of new energy power projects based on reliability theory. Finally an simple example proves that the proposed objective integrated control model is simple and practical. DOI: http://dx.doi.org/10.11591/telkomnika.v11i8.3077
Triangular Microstrip Antenna for Circularly-Polarized Synthetic Aperture Radar Sensor Application Muhammad Fauzan Edy Purnomo; Akio Kitagawa
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 1: October 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i1.pp310-318

Abstract

In this paper, we obtain the basic construction of triangular microstrip antennas based on the analysis of the single patch and array two patches. This construction use the basic corporate feeding-line with modified lossless T-junction power divider for Circularly Polarized-Synthetic Aperture Radar (CP-SAR) sensor embedded on airspace with compact, small, and simple configuration. The design of Circular Polarization (CP) is realized by truncating the whole three tips and adjusted the parameters of antennas at the resonant frequency, f = 1.25 GHz. The equations for reciprocal, lossless, and matched of the modified lossless T-junction power divider are also described. The result of characteristic performance and S-parameter for the single patch both Left-Hand Circular Polarization (LHCP) and Right-Hand Circular Polarization (RHCP) at the resonant frequency show consecutively 7.15 dBic and 7.16 dBic of gain, 0.12 dB and 0.11 dB of axial ratio, -26.75 dB and -26.72 dB of S-parameter. For array two patches, the result of gain, axial ratio, and S-parameter both of LHCP and RHCP are 7.63 dBic, 7.62 dBic, 2.68 dB, 2.74 dB, -19.43 dB, and -19.40 dB, respectively. The modified lossless T-junction power divider both for LHCP and RHCP are capable of being reciprocal, matched, and lossless at all ports.
A Training Monitoring System for Cyclist Based on Wireless Sensor Networks N. M. Abdul Latiff; M. A. Ruslee; S. K. Syed Yusof; M. R. Abdul Rahim; H. Sayuti; K. Mohamad Yusof; M. A. Baharudin
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.pp80-87

Abstract

This paper presents a training monitoring system for cyclist that is based on the technology of wireless sensor networks (WSNs). A stable and reliable wireless cyclist monitoring system is vital to establish a smart and efficient sports management program. A training monitoring system has been developed and tested in a real cyclist training environment in a velodrome. The system is designed is such a way that the packet loss rate is minimum. Using TelG mote as the basis, customized sensor nodes that function as a forwarder node and the relay nodes are developed to form the WSN. This WSN is linked to the cloud network on the Internet. The cloud network is then established and end users application for data accessing is designed. Several experiments have been conducted in a real scenario in a velodrome to measure the reliability of the system architecture. It is shown from the experiments that the proposed system is reliable even when the cyclist is moving at a high speed. The packet loss is less than 2% which does not give a huge impact to the data transmission.
Image and audio fractal compression: comprehensive review, enhancements and research directions Ahmed Huaasin Ali; Ali Nihad Abbas; Loay Edwar George; Mohd Rosmadi Mokhtar
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.pp1564-1570

Abstract

This study aims to review the recent techniques in digital multimedia compression with respect to fractal coding techniques. It covers the proposed fractal coding methods in audio and image domain and the techniques that were used for accelerating the encoding time process which is considered the main challenge in fractal compression. This study also presents the trends of the researcher's interests in applying fractal coding in image domain in comparison to the audio domain. This review opens directions for further researches in the area of fractal coding in audio compression and removes the obstacles that face its implementation in order to compare fractal audio with the renowned audio compression techniques.
Early Model of Traffic Sign Reminder Based on Neural Network Budi Rahmani
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

Recognizing the traffic signs installed on the streets is one of the requirements of driving on the road. Laxity in driving may result in traffic accident. This paper describes a real-time reminder model, by utilizing a camera that can be installed in a car to capture image of traffic signs, and is processed and later to inform the driver. The extracting feature harnessing the morphological elements (strel) is used in this paper. Artificial Neural Networks is used to train the system and to produce a final decision. The result shows that the accuracy in detecting and recognizing the ten types of traffic signs in real-time is 80%. DOI: http://dx.doi.org/10.11591/telkomnika.v10i4.861
Analysis and Correction the Inter-channel Mismatch of Synthetic Aperture Radiometer Xianxun Yao
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 12: December 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A Ka-band two dimensional synthetic aperture interferometric radiometer (SAIR) called SAIR-2D has been developed for concealed weapon detection. The inter-channel mismatch due to amplitude, phase and group delay differences between each receiving channel pairs can result in an undesired effect called fringe washing function (FWF). As the security application usually needs a wide field of view, the FWF is unavoidable and could lead to radiometric performance degradation. This paper presents a general method to analyze the impact of inter-channel mismatch on SAIR. Based on the analysis, the performance degradation of the SAIR-2D is mainly introduced by the group delay difference. To decrease the degradation, a synchronization module is designed to correct the group delay difference. Validation experiments have been conducted on SAIR-2D. The experimental results have validated that the correction technique can meet the requirements of SAIR-2D. DOI: http://dx.doi.org/10.11591/telkomnika.v11i12.2890

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