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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
 329   330   331   332   333 
Vibration Adaptive Control of the Flexible Lunar Regolith Sampler Wei LU; Hong ZENG; Ai-guo SONG; Wei-min DING; Yun LING; Bao-guo XU
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 8: December 2012
Publisher : Institute of Advanced Engineering and Science

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

Abstract

With respect to the problem of big volume, large weight and high power consumption of lunar sampler nowadays, the paper firstly described a novel flexible mini lunar regolith sampler. Then the vibration model of it is established while drilling. The drilling efficiency can be improved more effectively by controlling the lunar regolith sampler always in the resonance state. But the dynamical modeling of the sampler-regolith system is difficult to obtain and time varies when the sampler is in different depth in the lunar regolith. So we present a method of the vibration frequency fuzzy adaptive control based on the dynamic prediction by using the Levenberg-Marquardt Back Propagation (LMBP) neural networks. The LMBP with a FIR filter in series is used to predict the resonant frequency dynamically. And the fuzzy adaptive control is used to calculate the sweeping frequency bandwidth with the input of the amplitude and variation. DOI: http://dx.doi.org/10.11591/telkomnika.v10i8.1628
Solar Electric Bicycle Body Modeling and Simulation Zhikun Wang
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 10: October 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

A new solar electric bicycle design and study were carried out on in this paper. Application of CAD technology to establish three-dimension geometric model, using the kinetic analysis on the frame and other parts for numerical simulation and static strength analysis for the vehicle model design, virtual assembly, complete frame dynamics analysis and vibration analysis, with considering other factors, first on the frame structure improvement, second on security of design calculation analysis and comparison, finally get the ideal body design. DOI: http://dx.doi.org/10.11591/telkomnika.v11i10.3410 
Classification Of Category Selection Title Undergraduate Thesis Using K-Nearest Neighbor Method Ratih Kumalasari Niswatin; Ardi Sanjaya
Indonesian Journal of Electrical Engineering and Computer Science Vol 7, No 3: September 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v7.i3.pp846-854

Abstract

This research makes the classification system of  category selection title undergraduate thesis titleuse k-nearest neighbor method. This research will be conducted on the students of Informatics Engineering Department Faculty of Engineering, Universitas Nusantara PGRI Kediri. The purpose of making this system is to employee department and students to more easily make a classification of category selection undergraduate thesis title based on the field of interest and field of expertise of each student. The method used to classify the selection of undergaduate thesis title categories is k-nearest neighbormethod using several criteria based on students' interests and expertise in a particular field or course. The result of this sitem is an information category of undergraduate thesis title of students who have been processed based on the field of interest and field of expertise of each student.
An LED-based visible light communication system for multicast Jong-Sung Lee; Dae-Hee Lee; Sung-Jin Kim; Chang-Heon Oh
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 1: January 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v13.i1.pp265-271

Abstract

Visible Light Communication is a communication method that transmits data through light by pulsing an LED at high speed, performing broadcast communication for all devices existing in its coverage. Broadcast-based Visible Light Communication is limited to application to Internet of Things services, where various applications exist, although all receivers can communicate within the range of light sources. Therefore, this paper proposes an LED based Visible Light Communication system for multicast. The proposed system performs individual multicast by participating in communication only with receivers configured to use a specified ID value input at the transmitting side during data transmission. Experimental results show that the receiver can receive files individually according to a specified ID value.
Energy performance of 5G backhaul wireless network utilizing hybrid centric-distributed architecture Hamza Mohammed Ridha Al-Khafaji; Hasan Shakir Majdi
Indonesian Journal of Electrical Engineering and Computer Science Vol 16, No 3: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v16.i3.pp1343-1348

Abstract

This paper scrutinizes the influence of deployment scenarios on the energy performance of fifth-generation (5G) network at various backhaul wireless frequency bands. An innovative network architecture, the hybrid centric-distributed, is employed and its energy efficiency (EE) model is analyzed. The obtained results confirm that the EE of the 5G network increases with an increasing number of small cells and degrades with an increasing frequency of wireless backhaul and radius of small cells regardless of the network architectures. Moreover, the hybrid centric-distributed architecture augments the EE when compared with the distributed architecture.
Research of Blind Forensics Algorithm on Digital Image Tampering Hongying Jin
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 7: July 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i7.pp5399-5407

Abstract

With rapid development of the internet and the multimedia technology, the digital images tampering with blind forensics technology become a new research direction in the study of information security. The technology is based on the digital image, and it is only to realize image integrity and authenticity of the certification, so it is widely used in the civil fields such as news reports, judicial proof and military fields such as military intelligence analysis. So the research of it has great significance and broad application prospect.  In the paper, the exploration and research on the paste tampering and splicing tampering with blind forensics algorithm are made. The blind forensics algorithm based on radial Krawtchouk copy-and-paste invariant moment is proposed. As the current copy-and-paste blind forensics algorithm has low localization accuracy, and poor robustness of the post-processing in solving the problem. Based on sliding window block matching method and the radial Krawtchouk invariant moment, it proposes a copy-and-paste tampering with blind forensics algorithm. The experimental results show that the algorithm can effectively locate the tampered area, and it has very strong robustness of the rotating operation, JPEG compression, Gaussian noise, etc.
Research on Flow Characteristics of Ultra-high Pressure Impinging Stream Micro-generator LI Guang-ji; LU Zheng-wen
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 4: April 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Design a new dynamic ultrahigh pressure structure in this article, This structure include three main zones. Simulate and analyze flow characteristics of three zones in details, providing the basis for the design of micro-size structure with ultra-high pressure. Liquid has gone through three broken and decentralized processes in micro-channels zone、impacting wall zone and flow impinging each other zone, find rule of mirror distribution in impinging zone. According to which, obtain the structure is reasonable. The fresh red wine is experimented, verifying that to obtain the same effect, dynamic ultrahigh pressure method greatly reduce energy consumption than ultra-static pressure. Further put forward and verifying a new method that is combining static and dynamic ultrahigh pressure method, can use a relatively lower pressure to get higher pressure treatment effect. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2390
Selective Colligation and Selective Scrambling for Privacy Preservation in Data Mining Ishwarya M. V.; K. Ramesh Kumar
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 2: May 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v10.i2.pp778-785

Abstract

The work is to enhance the time efficiency in retrieving the data from enormous bank database. The major drawback in retrieving data from large databases is time delay. This time   hindrance is owed as the already existing method (SVM), Abstract Data Type (ADT) tree pursues some elongated Sequential steps. These techniques takes additional size and with a reduction of speed in training and testing.  Another major negative aspect of these techniques is its Algorithmic complexity. The classification algorithms have five categories. They are ID3, k-nearest neighbour, Decision tree, ANN, and Naïve Bayes algorithm. To triumph over the drawbacks in SVM techniques, we worn a technique called Naïve Bayes Classification (NBC) Algorithm that works in parallel manner rather than sequential manner. For further enhancement we commenced a Naïve Bayes updatable algorithm which is the advanced version of Naïve Bayes classification algorithm. Thus the proposed technique Naïve bayes algorithm ensures that miner can mine more efficiently from the enormous database.
The investigation on defect recognition system using gaussian smoothing and template matching approach M. H. Harun; M. F. Yaakub; A. F. Z. Abidin; A. H. Azahar; M. S. M. Aras; M. B. N. Shah; M. F. M. Basar
Indonesian Journal of Electrical Engineering and Computer Science Vol 18, No 2: May 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v18.i2.pp812-820

Abstract

This paper investigates various approaches for automated inspection of gluing process using shape-based matching application. A new supervised defect detection approach to detect a class of defects in gluing application is proposed. Creating of region of interest in important region of object is discussed. Gaussian smoothing features is proposed in determining better image processing. Template matching in differentiates between reference and tested image are proposed. This scheme provides high computational savings and results in high defect detection recognition rate. The defects are broadly classified into three classes: 1) gap defect; 2) bumper defect; 3) bubble defect. This system does lessen execution time, yet additionally produce high precision in deformity location rate. It is discovered that the proposed framework can give precision at 95.77% recognition rate in recognizing imperfection for gluing application.
Design and Development of Sports Management Information System based on Acceleration Transducer Yongxin Wang; Honghong Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 11: November 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i11.pp7876-7883

Abstract

This paper analyses and compares the acceleration sensor: ADXL330, ADXL345, ADXL203, and points out that the acceleration sensor functions in sports management system. Sports management system is the main controller in motion process command each node controller through the sensor to collect the movement process of the ADXL system the human body each point in three coordinate axes acceleration component. The article presents design and development of sports management information system based on acceleration transducer. Design of sports information management system based on three axis accelerometer can quickly and accurately collect human motion information, which provides a new method for the study of sports.

Page 331 of 923 | Total Record : 9226

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