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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 80 Documents
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Search results for , issue "Vol 11, No 4: April 2013" : 80 Documents clear
Use of QC Methods to Improve the Utilization Efficiency of Condensate Water Xinquan Jiang; Xinqiao Jiang
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

Condensation of water use for energy saving and emission reduction is of great significance, and QC methods is an effective method to improve the utilization of condensate management. This article will be the empirical study on the condensation water in the target Enterprise workshop as objects, study how to use QC method to improve the recovery rate, and to adopt effective measures to improve the production process of condensation water, eventually able to resolve their energy-saving emission reduction issues. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2368
The Life Cycle Reliability Evaluation of Optical Cable Cui Limin; Wu Yunna
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

Along with the optical fiber communication technology is widely used in power system, optical cable fault which will lead to failure has become an important factor influencing power grid reliability, but the existing optical cable evaluation index is single, only statistical cable fault conditions operation index, can not fully reflect the actual reliability of cable. This paper tries to construct a whole life cycle based on optical cable statistical reliability evaluation index system, uses the entropy method to evaluate the reliability of the optical cable is more objective, true, to carry out cable reliability research has certain reference significance. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2379
Printing Detecting Algorithm Basing on Maximum Degree of Recognition Hu Zhang; Feng Guo
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

In modern packaging, printing industry, due to effects of the properties of the strip itself and the ambient light, strip background color and the color of the printing line, the low contrast boundaries of the strip on both sides and so on, the traditional digital qualitative detection and control to the correction system does not meet the comprehensive requirements. This paper aims to study the detection of a continuous line, discontinuous line and color dividing line on the strip, and because of low contrast between background color and dividing line, we proposed an innovative solution and implementation. This article discusses a new algorithm basing on maximum degree of recognition and optimal light source search algorithm, and we simulated this in MATLAB, finally, we completed the physical testing of the overall system. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2394
Research on Fault Controlling Petroleum Accumulation in Nanpu Sag Yumin Liu; Yingying Zhang
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

This paper analyzed the factors controlling hydrocarbon accumulation associated with fault evolution, and pointed out favorable exploration directions by establishing pattern of fault controlling petroleum accumulation. Research showed that positive local structural belts were favorable positions for hydrocarbon accumulation; While the juxtaposition thickness of Ed2 caprock was less than 90-95 m, hydrocarbon could penetrate the caprock and accumulate in middle-shallow layers; mode Ⅴ and Ⅵ fractures were oil source faults, intersected faults are the preponderant pathways of hydrocarbon vertical migration, hydrocarbon flowed to reservoirs with sand content of more than 20%; Strong fault sealing ability was necessary for hydrocarbons of injecting into fault trap to accumulate and be preserved; Positive local structural belts, which are related to mode Ⅴ and Ⅵ fractures, with caprock juxtaposition thickness of less than 90-95 m, high sand content and good fault lateral sealing ability, were oil exploration targets and directions of middle-shallow layers. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2543
Dynamic Routing and Resource Assignment Algorithm In sloted optical Networks Bisheng Quan; Hui Li; Zichun Le
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

All-optical wavelength division multiplexing networks are the most promising candidate for the next generation wideband backbone networks. To improve the utilization of wavelength, time division multiplexing technology is introduced. The routing, wavelength and time-slots assignment problem was studied in such time-space switched networks. Two new dynamic algorithms were proposed which distribute slots of the session request on multiple different wavelengths of single fiber separately based on fixed alternate routing and adaptive routing policy. Especially in LLR-MWLB algorithm, network link weights adjust adaptively with the available time slots of each link and load balancing strategy is adopted. The effectiveness of the proposed algorithms is demonstrated by simulations and results show the better performance. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2336
Based on the Wavelet Function of Power Network Fault Location Fan YU; Shuo ZHANG; BaoLong Liu
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

In order to improve the measurement accuracy, in the traditional measuring method based on, by avoiding wave speed influence on fault location of transmission line method, and compares it with the combination of wavelet transform. This article selects dBN wavelet and three B spline wavelet contrast, compared them with new methods, through the Xi'an City Power Supply Bureau of the actual fault data validation. The results show that, with3 B spline wavelet and the new method combined with the location results are closer to the actual distance, its accuracy is higher than that of db3wavelet transform and a new method derived from the results, the error is far less than the db3 wavelet function, location is satisfactory. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2363
A Novel Routing Protocol for VANETS Wang Ying; Xu Hui-bin; Cha Dai-feng
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

An effective routing protocol to the vehicular ad-hoc networks (VANETS) should have good performance whether status of the network. And the mobile AD hoc working group on network (MANETS), VANETS have special requirements of node mobility and extremely dependent on the application, and geographic routing protocol is one of the most suitable VANETS.GPSR is the most well known positioning agreement. In this study, we analyzed the  blind void detouring  problem, will appear devious perimeter for GPSR routing protocol when network contains routing void area, a node priority forward strategy method to solve this problem.The NS2 simulation results show that the proposed strategy can better realize packet forwarding and enhance package transportation efficiency. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2405
Comparative Research on Total Transfer Capability Calculation using Load Model Guoping Shi; Jun Liang; Peng Gu
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

This paper proposes a method calculating total transfer capability(TTC) and critical voltage using static power model based on real-time recording data, traditional power system dispatching calculation doesn’t consider load model, which does not agree with the real, this paper compares TTC and critical voltage under different load model and P-V curves, on which load model has a strong influence, so load modeling is necessary based on real-time data and is significant for improving system stability. The simulations show necessity and suitability of the method. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2330
Design and Experiment on Self-propelled Precise Feeding Equipment for Dairy Cow Hewei Meng; Zhenjiang Gao; Xiaoling Luo; Za Kan; Hai Lin
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

Designed a kind of self-propelled precise feeding machine for single dairy cow based on the technology of RFID, to achieve the automation,fine and intelligent of dairy farming.The computer was used as the information management platform, MCU was used as control platform, even using wireless transmission, RFID recognition, infrared detection technology and so on, which achievement the information data of wireless transmission,precise recognition and detection cattle position.It is applied to equal-diameter and variable-pitch screw feeding structure to realize the precise concentrated feed supply, equipment performance test shown that the system speed 60rpm is the most stable when feeding, feeding accuracy not less than 97.5%, to meet the feeding requirements, equipped with the best traveling speed is 0.6m/s, the response time of the system is 0.4s, the recognition rate is 96%; through one-month feeding experiment in the dairy cow farm showed that the milk production was increased, the average daily milk yield of individual cows improve 0.8kg than artificial feeding. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2357
Segmentation for Fabric Weave Pattern Using Empirical Mode Decomposition Based Histogram Li Qingfu; Yuan Ye; Chen Junxia
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

This paper is focused on the segmentation of the fabric weave patterns for the urgent requirement of fabric imitative design and redesign.The weave patterns related to the fabric yarn are determined by a new technology,which is called bidimensional mode decomposition based method. The proposed method first iteratively decompose the underlying fabric image into a number of intrinsic mode functions (IMFs). The first order IMF is applied to to calculate histogram and fabric weave pattern segmentation results are obtained by integrating corresponding threshold decision strategies such as double maxima algorithm or Otsu algorithm . In comparison with the original image-only based histogram segmentation method ,the presented method have a high precision. Simulation results show that BEMD based method is a promising approach for the segmentation of fabric weave pattern. DOI: http://dx.doi.org/10.11591/telkomnika.v11i4.2374

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