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29,082 Article Results

VLSI Architectures for Lifting Based Discrete Wavelet Transform – A Survey

10.11591/ijeecs.v3.i2.pp323-330
M. Kalaiarasi , T. Vigneswaran
Image compression is a key technology in the development of various multimedia and communication applications. Perfect reconstruction of the image without any loss in picture quality and data is very important. This can be achieved with the Discrete Wavelet Transform (DWT), which is an efficient tool for image compression and video compression. The lifting based DWT architecture has the advantage of lower computational complexities and also requires less memory compared to the conventional convolution method. The existing DWT architectures are represented in terms of folded, flipping and recursive structures. The various architectures are discussed in terms of memory, power consumption and operating frequency involved with the given size of image and required levels of decomposition. This paper presents a survey of these architectures for 2-dimensional and 3-dimensional Discrete Wavelet Transform. This study is useful for deriving an efficient method for improving the speed and hardware complexities of existing architectures.
Volume: 3
Issue: 2
Page: 323-330
Publish at: 2016-08-01

Optimal Tuning and Placement of Power System Stabilizers Based Eigenvalue

10.11591/ijeecs.v3.i2.pp273-281
Lawrence Bibaya , Chongru Liu
In this paper, an eigenvalue assignment based Particle Swarm Optimization and Participation Factor for Optimal tuning and placement of power system stabilizers is proposed. The proposed approach presents a two-step methodology to find optimal location and parameters of PSS. The Participation Factor method is computed using the modal analysis toolbox from DIgSILENT, and used to determine the power system stabilizers optimal location. A Particle Swarm Optimization algorithm is written in MATLAB to search the power system stabilizers optimal parameters. Two eigenvalue-based objective functions to ensure a maximum damping of the inter-area modes as well as of the local modes by assigning them in a robust stability area are considered. The performance of the proposed approach is tested and examined on the four-machine two-area power system. Linear modal analysis and non-linear time domain simulations show the robustness of the proposed approach.
Volume: 3
Issue: 2
Page: 273-281
Publish at: 2016-08-01

TreeNet Analysis of Human Stress Behavior using Socio-Mobile Data

10.11591/ijeecs.v3.i2.pp446-452
B Padmaja , V V Rama Prasad , K V N Sunitha
Human behavior is essentially social and humans start their daily routines by interacting with others. There are many forms of social interactions and we have used mobile phone based social interaction features and social surveys for finding human stress behavior. For this, we gathered mobile phone call logs data set containing 111444 voice calls of 131 adult members of a living community for a period of more than 5 months. And we identified that top 5 social network measures like hierarchy, density, farness, reachability and eigenvector of individuals have profound influence on individuals stress levels in a social network. If an ego lies in the shortest path of all other alters then the ego receives more information and hence is more stressed. In this paper, we have used TreeNet machine learning algorithm for its speed and immune to outliers. We have tested our results with another Random Forest classifier as well and yet, we found TreeNet to be more efficient. This research can be of vital importance to economists, professionals, analysts, and policy makers.
Volume: 3
Issue: 2
Page: 446-452
Publish at: 2016-08-01

Testing MANET Protocol using Zigbee based Xbee Modules

10.11591/ijeecs.v3.i2.pp441-445
S. Sundar , Piyush Arora , Sarthak Agrawal , R. Kumar , Harish M. Kittur
In the last few years,there has been big interest in adhoc wireless network as they have tremendous military and commercial potential[1].Traditionally to test various parameters in the MANET , the most popular approach is to use mobile phone and Laptops and use the popular WIFI based protocol . But in the recent years there is a huge attraction towards the Internet Of things and specifically wireless sensor network. In this paper we are going to test the MANET protocol using zigbee based XBee modules specifally to determine the Range and Throughput of the Xbee netowork using XCTU Software . The sensor network will be deployed in the car parking application to see the parameters in the real time and dynamically see the sustainability of the network .The network is being designed keeping in mind that the nodes are mobile and at the same time the network does not require a standard infrastructure.
Volume: 3
Issue: 2
Page: 441-445
Publish at: 2016-08-01

Finding Hidden Communities in Complex Networks from Chaotic Time Series

10.11591/ijeecs.v3.i2.pp350-355
Jiancheng Sun
Recent works show that complex network theory may be another powerful tool in time series analysis. In this paper, we construct complex networks from the chaotic time series with Maximal Information Coefficient (MIC). Each vector point in the reconstructed phase space is represented by a single vertex and edge determined by MIC. By using the Chua’s circuit system, we illustrate the potential of these complex network measures for the detection of the topology structure of the network. Comparing with the linear relationship measure, we find that the topology structure of the community with MIC reveals the hidden or implied correlation of the network.
Volume: 3
Issue: 2
Page: 350-355
Publish at: 2016-08-01

Impulsive Noise Cancellation from ECG Signal using Adaptive Filters and their Comparison

10.11591/ijeecs.v3.i2.pp369-376
Mihir Narayan Mohanty , Sarthak Panda
Impulsive Noise is the sudden burst noise of short duration. Mostly it causes by electronic devices and electrosurgical noise in biomedical signals at the time of acquisition. In this work, Electrocardiograph (ECG) signal is considered and tried to remove impulsive noise from it. Impulsive noise in ECG signal is random type of noise. The objective of this work is to remove the noise using different adaptive algorithms and comparison is made among those algorithms. Initially the impulsive noise in sinusoidal signal is synthesized and tested for different algorithms like LMS, NLMS, RLS and SSRLS. Further those algorithms are modified in a new way to weight variation. The proposed novel approach is applied in the corrupted ECG signal to remove the noise. The effectiveness of the proposed approach is verified for ECG signal with impulsive noise as compared to the traditional approaches as well as previously proposed approaches. Also the performance of our approach is validated by SNR computation. Significant improvement in SNR is achieved after removal of noise.
Volume: 3
Issue: 2
Page: 369-376
Publish at: 2016-08-01

Hardware Implementation of Cascaded Hybrid Multilevel Inverter with Reduced Number of Switches

10.11591/ijeecs.v3.i2.pp314-322
Chinnapettai Ramalingam Balamurugan , S.P. Natarajan , T.S. Anandhi , R. Bensaraj
This paper presents the comparison of various multicarrier Pulse Width Modulation (PWM) techniques for the Cascaded Hybrid Multi Level Inverter (CHBMLI). Due to switch combination redundancies, there are certain degrees of freedom to generate the five level AC output voltage. This paper presents the use of Control Freedom Degree (CFD) combination. The effectiveness of the PWM strategies developed using CFD are demonstrated by simulation and experimentation.  The simulation results indicate that the chosen five level inverter triggered by the developed Phase Disposition(PD), Phase Opposition and Disposition(POD), Alternate Phase Opposition and Disposition (APOD), Carrier Overlapping (CO), Phase Shift (PS) and Variable Frequency (VF) PWM strategies developed are implemented in real time using FPGA. The simulation and experimental outputs closely match with each other validating the strategies presented.
Volume: 3
Issue: 2
Page: 314-322
Publish at: 2016-08-01

Performance Measurement ERP System Module Purchase and Sale Cooperation on Consumption in Tangerang District

10.11591/ijict.v5i2.pp60-67
Hendra Alianto
ERP system is an integrated information system to support the core business activities of an organization, helping the business unit related to data and information sharing, cost reduction, and improvement of business processes, which will have an impact on the increase in the work to become more efficient and effective. Organizations that implement ERP system can take the form of cooperative consumption. Purpose cooperative consumption implement an ERP system is to achieve improved productivity and operational effectiveness of the cooperative. Standard Operating Procedures can help the user can use the ERP system, but required knowledge management. This rapid business development prosecute organizations innovate to maintain and grow the business. One such effort is the one measuring the performance achieved are supported by the implementation of the Knowledge Management. In this information age, where information must be obtained relatively quickly, accurately and easily without being limited by space, time, location.The important thing is how to measure the performance of the ERP system once implemented. Performance measurement module ERP system purchases and sales on consumer cooperatives, will give inputandan innovation for consumer cooperatives in developing the organization towards a more structured, competitive and advanced, and improve decision making, increase the efficiency of operations and business processes.Keywords:  ERP Systems, Knowledge Management, Purchase and Sales Modules
Volume: 5
Issue: 2
Page: 60-67
Publish at: 2016-08-01

The Research on Intelligent Seating Position Type LED Table Lamp

10.11591/ijeecs.v3.i2.pp331-335
Ling Liu , Qi Wang
Taking STC89C52RC single-chip as control core, this research realizes intelligent control function, which can automatically detect whether there is someone in the room and turn on/off LED table lamp; brightness of LED lamp can be adjusted with manual mode. In addition to that, it also has other functions such as displaying time and date, and posture correction. In general, time, data and brightness can be regulated through key module. 8 high brightness white LED are used in illumination module, among which, light sensitive module is applied for testing luminous intensity of environment; ultrasonic distance measuring module is utilized for detecting the distance from men to table lamp through transmitting and receiving ultrasound. In the evening, light is on when the distance from men to table lamp is within certain range; and light is off when exceeding this range. However, if the distance is lower than the specified minimum distance, buzzer will alarm to warn user that the seating position needs to be corrected. C language programming is employed for the integrated software to achieve the overall control function.
Volume: 3
Issue: 2
Page: 331-335
Publish at: 2016-08-01

An Improved Chaos Electromagnetism Mechanism Algorithm for Path Optimization Problem

10.11591/ijeecs.v3.i2.pp475-480
Shoulin Yin , Jie Liu , Lin Teng
As we all know, traditional electromagnetism mechanism (EM) algorithm has the disadvantage with low solution precision, lack of mining ability and easily falling into precocity. This paper proposes a new chaos electromagnetism mechanism algorithm combining chaotic mapping with limited storage Quasi-Newton Method (EM-CMLSQN). Its main idea is that it adopts limit quasi-Newton operator to replace the local optimization operator in EM algorithm for local searching in the late of algorithm. In the process of algorithm, the chaos mapping is introduced into optimization processes, and it generates new individuals to jump out of local to maintain the population diversity according to characteristics of chaos mapping random traversal. Finally, the experiments show that the new algorithm can effectively jump out of local optimal solution through comparing three continuous space test functions. The new algorithm has obvious advantages in terms of convergence speed compared to traditional EM algorithm, in addition, it is more accuracy than particle swarm optimization (PSO) algorithm. We compare the new chaos electromagnetism mechanism algorithm with ant colony optimization (ACO) algorithm, PSO algorithm, the results represent that new scheme can obtain the optimal path in the path optimization process, which shows that the new method has better applicability in the discrete domain problem.
Volume: 3
Issue: 2
Page: 475-480
Publish at: 2016-08-01

Tuning Methods of PID Controller for DC Motor Speed Control

10.11591/ijeecs.v3.i2.pp343-349
Ashwaq Abdulameer , Marizan Sulaiman , MSM Aras , Dawood Saleem
The traditional PID controllers are used for a long time to control the DC motor for many industrial processes, that because of the simplicity, flexibility, and satisfactory performance of this type of controller. This paper discusses the basic PID tuning method (Ziegler-Nichols) and its modification (Chien-Hrones-Reswick). Also, analysis the speed control DC motor response using the PID controller parameters that result from the tuning methods mentioned earlier. Moreover, explain the advantage and disadvantage of each formula of these methods.  GUL/MATLAB windows used to implementing both methods to create more comfortable and friendly environment for better understanding of the PID controller tuning methods formula for engineering students and practicing engineers.
Volume: 3
Issue: 2
Page: 343-349
Publish at: 2016-08-01

Designing a Multi-purpose GSM Based Interactive Embedded Data-Acquisition System Providing Solutions for Fire Accidents

10.11591/ijece.v6i4.pp1506-1513
P Michael Preetam Raj , Rakesh Tirupathi , P Gopi Krishna , Jasti Sateesh , Vijay Krishna Balachander
The Data-Acquisition systems with remote accessibility are greatly demanded in industry and consumer applications. In this paper, a data-acquisition system which can save lives and property, based on GSM communication, accommodating a wide range of electronic devices is presented. The system has the special ability to automatically quench fire by spraying water during fire accidents, simultaneously informing the local fire station and the responsible persons as well, saving loss of life and property. Also the varying status can be instantaneously recorded and uploaded in internet, for failure analysis. By using a GPS receiver it is possible to acquire and display the images of the locations where there are fire accidents by decoding the text SMS data, which helps in continuously tracking the fire accident location using google maps, helping the fire engine to reach instantly. Also the cost-effectiveness of the overall system is proved. The embedded board acts as the main controller of this system which has a SIM card placed in it and thus communicates using GSM, making it accessible from anywhere in the world, providing a faster two-way data transfer between the Embedded system and the client, in real-time.
Volume: 6
Issue: 4
Page: 1506-1513
Publish at: 2016-08-01

An Investigation Study on Optimizing Enterprise Resource Planning (ERP) Implementation in Emerging Public University: Al Baha University Case Study

10.11591/ijece.v6i4.pp1920-1928
Moh’D Suliman Shakkah , Khaled Alaqeel , Ali Alfageeh , Rahmat Budiarto
This project investigates the correlation between the organizational readiness in Albaha University (ABU) and the respective Critical Success Factors (CSFs) with regards to the Enterprise Resource Planning (ERP) implementation. The investigation also considers some suggestions to improve the ABU’s ERP systems and roadmap towards the self –development strategy and reduce vendor-dependency. A survey regarding ERP to the end-user, expert and developer in ABU was conducted. The analysis of the results in this work confirmed with the results of an existing work. The four significance success factors: Project Management, Business Process Re-engineering (BPR), System Integration, and Training and Education are recommended to be adopted to assure the smooth adoption of ERP at Albaha University
Volume: 6
Issue: 4
Page: 1920-1928
Publish at: 2016-08-01

Accurate Iris Localization Using Edge Map Generation and Adaptive Circular Hough Transform for Less Constrained Iris Images

10.11591/ijece.v6i4.pp1637-1646
Vineet Kumar , Abhijit Asati , Anu Gupta
This paper proposes an accurate iris localization algorithm for the iris images acquired under near infrared (NIR) illuminations and having noise due to eyelids, eyelashes, lighting reflections, non-uniform illumination, eyeglasses and eyebrow hair etc. The two main contributions in the paper are an edge map generation technique for pupil boundary detection and an adaptive circular Hough transform (CHT) algorithm for limbic boundary detection, which not only make the iris localization more accurate but faster also. The edge map for pupil boundary detection is generated on intersection (logical AND) of two binary edge maps obtained using thresholding, morphological operations and Sobel edge detection, which results in minimal false edges caused by the noise. The adaptive CHT algorithm for limbic boundary detection searches for a set of two arcs in an image instead of a full circle that counters iris-occlusions by the eyelids and eyelashes. The proposed CHT and adaptive CHT implementations for pupil and limbic boundary detection respectively use a two-dimensional accumulator array that reduces memory requirements. The proposed algorithm gives the accuracies of 99.7% and 99.38% for the challenging CASIA-Iris-Thousand (version 4.0) and CASIA-Iris-Lamp (version 3.0) databases respectively. The average time cost per image is 905 msec. The proposed algorithm is compared with the previous work and shows better results.
Volume: 6
Issue: 4
Page: 1637-1646
Publish at: 2016-08-01

A Generic Review on Effective Intrusion Detection in Ad hoc Networks

10.11591/ijece.v6i4.pp1779-1784
G. Gopichand , RA.K. Saravanaguru
Ad hoc network is specifically designed for the establishment of a network anywhere and anytime, which does not have any fixed infrastructure in order to support the mobility of the users in the network. The network is established without using any access points or base stations for communication implemented in multi hop schemes. Hence we call an Ad hoc network as a collection of nodes which are mobile in nature with a dynamic network infrastructure and forms a temporary network. Because of dynamic topological changes, these networks are vulnerable at the physical link, and they can easily be manipulated. An intruder can easily attack the Ad hoc network by loading the network resources which are available, such as wireless links and energy (battery) levels of other users, and then starts disturbing all the users. This paper provides a comparative survey on the various existing intrusion detection systems for Ad hoc networks based on the various approaches applied in the intrusion detection systems for providing security to the Ad hoc network.
Volume: 6
Issue: 4
Page: 1779-1784
Publish at: 2016-08-01
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