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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 :
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Articles 70 Documents
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Search results for , issue "Vol 11, No 1: January 2013" : 70 Documents clear
Study on Multi-objective Location of Distribution Center Based on Covering SUN Lin; WU Xiang_lin; LIU Yue; SUN Yong_Zhe; QU Hui
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

Distribution center is an important part of modern logistics system. In the process of designing distribution center, running expense can be greatly reduced by selecting appropriate location of distribution center. In this paper, the covering method was used twice to choose the distribution center and minimize the total cost. At last, a case was given to test the model. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1915
Semiconductor-Optical-Amplifier Mach-Zehnder Interferometer Based Optical Networks Vinai K. Singh; Ajit Kumar Singh Yadav; Ajay Kumar; Anand Tyagi
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

In this paper, an all-optical AND logic scheme which exploits the cross-phase modulation (XPM) effect in semiconductor-optical-amplifier-assisted Mach-Zehnder Interferometer (SOA-MZI), is proposed, performance analyzed and parameters optimized. The proposal is validated and the system performance under various parameters is examined through numerical simulations. With only moderate parameters, high-speed all-optical AND gate based on SOA-MZI is realized with fairly high performance. The results are helpful for designing of SOA-based all-optical logic devices. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1926
Digital Medical Image Enhanced by wavelet Illumination-Reflection Model Xiong Jie
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

When a digital medical image is enhanced, the useful details of the image should be strengthened， but the details can not be strengthened by these algorithms based on traditional illumination-reflection model. According to the imaging principle and medical requirement, wavelet illumination-reflection model and a new algorithm based on the model are proposed. The image is decomposed into illumination and reflection by wavelet illumination-reflection model. The details of the reflection are strengthened. The dynamic range of the illumination is reduced in order to enhance the image. Experiments and analysis show that the method is obviously better than Histogram Equalization, Homomorphic Filtering and multi-scales Retinex. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1866
Monitoring dispatching system based on Port's Internet of Things Duanfeng Liu; Xuli Han; Xinru Liu
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

This paper proposes monitoring dispatching system solution based on the internet of things, which is through the analysis for port’s current situation, system components, operation process, communication protocol and safety alarm, etc. The system can fulfill real-time precise positioning monitoring and dispatching for port’s mobile terminals, and also fulfill real-time monitoring and effective management for the whole port. Eventually it can improve the total competitiveness of port by improving production efficiency of port, securing operation safety and decreasing production cost. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1882
Index Selection Preference and Weighting for Uncertain Network Sentiment Emergency Qiansheng Zhang; Fuchun Liu; Bailin Xie; Yirong Huang
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

To more effectively cope with the network public sentiment emergency involved many interval-valued warning indexes, we present a new method of early warning index selection and weight assignment for uncertain network public sentiment emergency decision-making. By using a new interval fuzzy AHP, the interval weight of each early warning index of network public sentiment emergency can be obtained. Then by means of the weighted aggregation values of all the emergency warning indexes, we can rank the severity of every network public sentiment emergency and select the most severe one. Finally, a numerical example is given to illustrate the application of the proposed method of warning index selecting and weighting to uncertain network public sentiment emergency decision. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1898
Implementation of Low-level Driver Interface for A CPU Card Feng Luo; Fengjian Hu
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

In order to develop an automotive digital tachograph, a Central Processing Unit Card (CPU Card) interface IC is designed and implemented. The purpose of this paper is to present a driver proposal on the basis of a CPU card interface IC NCN6804. Under the platform of a Freescale’s microcontroller MPC5607B, the low-level driver interface is detailed both in hardware and software.  The test result shows that this low-level driver proposal can meet the operation demands of CPU cards, and this method is effective, especially in automotive applications. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1909
Evaluation of the Reference Current Generation Methods for Harmonic Compensation Applications using Instantaneous Reactive Power Theory (IRPT) Lin Xu; Yang Han
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

This paper presents a critical survey of the reference current generation (RCG) methods for harmonic and reactive power compensation for the electrical distribution systems. A critical review of the p-q method, the d-q(id-iq) method, the p-q-r method, the UPF method and the FBD method are presented for the sake of comparison. In order to mitigate the deficiencies of these existing methods, the modified d-q method, the modified p-q-r method, and the modified p-q method are also presented. The MATLAB simulation of these algorithms is carried out for different grid voltage and load conditions scenarios. It is found that, all these algorithms show similar performance in case of ideal grid voltage scenario. In case of grid voltage unbalance or harmonics, the difference in steady state compensation accuracy among these algorithms is presented. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1675
Using Relative Distance and Hausdorff Distance to Mine Trajectory Clusters Bo Guan; Liangxu Liu; Jinyang Chen
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

Along with development of location service and GPS technology, mining information from trajectory datasets becomes one of hottest research topic in data mining. How to efficiently mine the clusters from trajectories attract more and more researchers. In this paper, a new framework of trajectory clustering, called Trajectory Clustering based Improved Minimum Hausdorff Distance under Translation (TraClustMHD) is proposed. In this framework, the distance between two trajectory segments based on local and relative distance is defined. And then, traditional clusters algorithm is employed to mine the clusters of trajectory segment. In additional, R-Tree is employed to improve the efficiency. The experimental results showed that our algorithm better than existing others which are based on Hausdorff distance and based on line Hausdorff distance. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1877
Simulated Annealing Algorithm for Friction Parameters Identification Qiang Chen; Junwei Bao; Minzhuo Wang; Haonan Ye; Fuqiang Peng
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

The present study is concerned with friction parameters identification in the pushing system of projectile of large caliber cannon howitzer. Coulomb model (CM) is adapted to build friction model in the process of pushing projectile. Random direction search algorithm (RDSA) is probably to get into the local best because of the large number of parameters to identify. So simulated annealing algorithm (SAA) based on continuous search space (CSAA) and based on discrete search space (DSAA) is applied to identify friction parameters. The identification results show that both CSAA and DSAA have better accuracy and convergence than RDSA, and CSAA has better accuracy than DSAA. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1893
Clonal Selection Algorithm Based Iterative Learning Control with Random Disturbance Qun Gu; Xiao Hong Hao; Xian Jun Du; Wei Tao Xu; Yuanyuan Ju
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

Clonal selection algorithm is improved and proposed as a method to solve optimization problems in iterative learning control. And a clonal selection algorithm based optimal iterative learning control algorithm with random disturbance is proposed. In the algorithm, at the same time, the size of the search space is decreased and the convergence speed of the algorithm is increased. In addition a model modifying device is used in the algorithm to cope with the uncertainty in the plant model. In addition a model is used in the algorithm cope with the uncertainty in the plant model. Simulations show that the convergence speed is satisfactory regardless of whether or not the plant model is precise nonlinear plants. The simulation test verify the controlled system with random disturbance can reached to stability by using improved iterative learning control law but not the traditional control law. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1921

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