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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 : -
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Articles 23 Documents
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Search results for , issue "Vol 15, No 1: July 2015" : 23 Documents clear
Real-time Vision-based Hand Gesture Recognition Using Sift Features Mitra Khaledian; Mohammad Bagher Menhaj
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper introduces a new algorithm based on machine vision for the recognition of hand gesture. In step 1, the Microsoft Kinect sensor is used to capture color images and depth. User’s hand detected by eliminating the background and rescaling image. In the next step, “Scale-invariant feature transform (SIFT)” algorithm is used for the feature extraction. The extracted feature vectors are built in vocabulary tree with K-means clustering. Finally, Hand gesture is recognized by a recognition high-level method called stochastic context-free grammar (SCFG). SCFG is used for syntactic structure analysis that is based on hand gesture recognition, that is combined postures can be analyzed and recognized by a set of production rules. SCFG is most effective in disambiguate. By this approach, we are able to recognize various gestures in 30 frames per seconds (fps) and with more than 90 % accuracy. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8091 
Wide Band CPW Fed Slotted Microstrip Antenna Pawan Kumar; Malay Ranjan Tripathy; H.P. Sinha
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

In this paper, a design of compact coplanar waveguide fed UWB slot antenna is presented. The proposed antenna has simple structure consisting rectangular slot with uneven coplanar ground structures. The proposed antenna structure is investigated by using MoM based electromagnetic solver IE3D. The simulation and measured results show that the antenna offers performance for wideband system from 4.5 GHz to11.8 GHz with return loss better than -10dB over the frequency spectrum with VSWR less than 2.5. The antenna configuration would be quiet useful for indoor applications. The antenna is fabricated and simulated. Measured results show a good agreement with simulated results. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8078 
Power Flow and Transient Stability Improvement by Static Synchronous Series Compensator Md. Imran Azim; Md. Abdul Wahed; Md. Ahsanul Haque Chowdhury
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

In the present world, modern power system networks, being a complicated combination of generators, transmission lines, transformers, circuit breakers and other devices, are more vulnerable to various types of faults causing stability problems. Among these faults, transient fault is believed to be a major disturbance as it causes large damage to a sound system within a certain period of time. Therefore, the protection against transient faults, better known as transient stability control, is one of the major considerations for the power system engineers. This paper presents the control approach in the transmission line during transient faults by means of Static Synchronous Series Compensator (SSSC) in order to stabilize Single Machine Infinite Bus (SMIB) system.  In this paper, SSSC is represented by variable voltage injection associated with the transformer leakage reactance and the voltage source. The comparative results depict that the swing curve of a system increases monotonically after the occurrence of transient faults However, SSSC is effective enough to make it stable after a while. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8075
Dual Proportional Integral Controller of Two-Area Load Frequency Control Based Gravitational Search Algorithm M. Elsisi; M. Soliman; M. A. S. Aboelela; W. Mansour
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

Gravitational Search Algorithm (GSA) has recently been explored to develop a novel algorithm for distributed optimization and control. This paper proposes a dual Proportional Integral (PI) controller of Load Frequency Control (LFC) based GSA to enhance the damping of oscillations in a two-area power system. A two-area non-reheat thermal system is considered to be equipped with dual PI controller. GSA is utilized to search for optimal controller parameters by minimizing a time-domain based objective function. The performance of the proposed controller has been evaluated with the performance of the conventional PI controller, and  PI  controller  tuned  by  GSA in  order  to  demonstrate  the  superior efficiency of the proposed dual PI controller tuned by GSA. Simulation results emphasis on the better performance of the optimized dual PI controller based on GSA in compare to optimized PI controller based on GSA and conventional one over wide range of operating conditions, and system parameters variations. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8093
Effective and Efficient Way of Reduce Dependency on Dataset with the Help of Mapreduce on Big Data Satish Londhe; Smita Mahajan
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the fast development of networks these days organizations has overflowing with the collection of millions of data with big number of combination. This big data challenges over trade troubles. It requires more analysis for the high-performance procedure. The new method of hadoop and MapReduce methods are discussed starting the data mining standpoint. In the proposed research work we have to progress performance through parallelization of different operations such as loading the information, index building and evaluating the queries. Thus the performance analysis is completed with the minimum of three nodes with in the Amazon cloud environment. Hbase is a open source, non-relational and distributed database model. It executes on the pinnacle of Hadoop. It consists of a single key with multiple values. Looping is avoid in retrieving a meticulous data from huge datasets and it consume less amount of time for execute the data. HDFS file system is used to store the data after performing arts the map reduces operations and the execution time is decreased when the amount of nodes gets increased. The performance analysis is tuned with the parameters such as the carrying out complexity. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8080
Symbol Error Rate Performance Analysis of Decode and Forward Cooperative Communication System Qabas Ali Hikmat; Bin Dai; Rokan Khaji; Benxiong Huang; Edriss Eisa
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

In this paper, we investigate the performance of Decode and Forward (DF) in multiple relay networks. We consider a cooperative diversity system where a source sends information to the destination with the aid of multi relay working in DF relaying protocol and investigate the Optimal Power Allocation (OPA) at both the source and the relay nodes. By taking advantage of the moment generating function (MGF), a closed form expression for the symbol error rate (SER) and signal to noise ratio (SNR) for both, M-Phase Shift Keying (MPSK) and M-Quadrature Amplitude Modulation (MQAM) signals has been derived to illustrate the asymptotic performance of the DF system where the approximation SER is tight at high SNR. Results show that the proposed system, based on SER lower bound is tight to the theoretical SER upper bound, and the suggested OPA outperforms the equal power allocation (EPA) and at different number of relays. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8037
Multilevel MPSoC Performance Evaluation: New ISSPT Model A. Alali; I. Assayad; M. Sadik
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

To deploy the enormous hardware resources available in Multi Processor Systems-on-Chip (MPSoC) efficiently, rapidly and accurately, methods of Design Space Exploration (DSE) are needed to evaluate the different design alternatives. In this paper, we present a framework that makes fast simulation and performance evaluation of MPSoC possible early in the design flow, thus reducing the time-to-market. In this framework and within the Transaction Level Modeling (TLM) approach, we present a new definition of ISS level by introducing two complementary modeling sublevels ISST and ISSPT. This later, that we illustrate an arbiter modeling approach that allows a high performance MPSoC communication. A round-robin method is chosen because it is simple, minimizes the communication latency and has an accepted speed-up. Two applications are tested and used to validate our platform: Game of life and JPEG Encoder. The performance of the proposed approach has been analyzed in our platform MPSoC based on multi-MicroBlaze. Simulation results show with ISSPT sublevels gives a high simulation speedup factor of up to 32 with a negligible performance estimation error margin. DOI:  http://dx.doi.org/10.11591/telkomnika.v15i1.8085 
Smart Grid and Computer Network: How Analogous Are They? Khalid Lefrouni; Rachid Ellaia
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

Technological advances allowing optimal exploitation of renewable energy sources and the development of new information and communications technology (ICT), have led to the appearance of a new network so-called Smart Grid. This article is dedicated to the study of similarities and differences between the smart grid and the computer network, thus, in order to better carry out this comparison. Firstly, we present the structure, operational model and benefits of smart grid. Secondly, we identify analogous quantities and similar parameters between the two networks. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.8087 
An Efficient Power Management Algorithm for a Micro Grid B. Sireesha; Y. Nagaraja
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper displays a micro grid comprising of distributed generation (DG) units (DG) units that are joined with the conveyance framework. A vitality administration calculation is actualized to arrange the operations of the various DG units in the micro grid for framework joined during grid connected and islanded operations. The proposed micro grid comprises of a photovoltaic (PV) cluster which works as the essential era unit of the micro grid furthermore a proton-trade layer energy component to supplement the variability in the force produced by the PV show. A lithium-particle capacity battery is joined into the micro grid to alleviate top requests amid lattice associated operation and to adjust for any lack in the created force amid islanded operation.The outline idea is checked through different test situations to exhibit the operational capacity of the proposed micro grid, and the acquired results are talked about. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.7912 
Energy Efficient Intrusion Detection Scheme with Clustering for Wireless Sensor Networks Mohammed Ali Hussain
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

Wireless sensor network (WSN) consists of a small size sensor nodes depends on battery power. Applications of sensor networks are street lighting, home automation, industrial plant, environmental parameters, health care and military. Security is becoming a major concept in the design of wireless sensor networks. Attacks on sensor networks include attack on confidentiality, integrity and availability. Lack of confidentiality means that the secret information is revealed to attackers. Lack of integrity means that the attacker modifies the contents (data) communicated in the sensor network. Lack of availability means the resources in the network is not available to authorized users. So to avoid these problems we need better security measures. In this paper we are dealing with intrusion detection. Intrusion detection plays an important role in the design of wireless sensor networks. An intruder can perform various attacks like replay, interception, worm hole, sink hole attacks. So our aim in this paper is to find such intrusions as early as possible, when they occurred and to enhance the life tome of the sensor network. This is because sensors nodes depend only on battery power. Our intrusion detection is based on clustering of the sensor network. This makes routing process, medium control and intrusion detection simple. DOI:  http://dx.doi.org/10.11591/telkomnika.v15i1.8072 

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