A novel technique for node authentication in mobile ad hoc networks
Publication date: Available online 11 July 2016 Source:Perspectives in Science Author(s): Srinivas Aluvala, K. Raja Sekhar, Deepika Vodnala Mobile ad hoc network is a collection of nodes in mobility that communicate to one another forming a network through wireless links, in which each node acts a router and forward packets to destinations. The dynamic topology and self-organizing of the nodes make them more vulnerable to the network. In MANET, the major challenging task is to provide security during the routing of data packets. Various kinds of attacks have been studied in ad hoc networks, but no proper solution...
Source: Perspectives in Science - July 26, 2016 Category: Science Source Type: research
Dynamic Compensation of Real and Reactive Power in Wind Farms using STATCOM
Publication date: Available online 25 July 2016 Source:Perspectives in Science Author(s): Shahzad Ahsan, A.S. Siddiqui The dynamic stability of Squirrel Cage Induction Generators (SCIG) based wind turbines may be improved by Static Synchronous Compensator (STATCOM). At the time of starting of wind farm and during short circuit fault the voltage of bus connecting the wind farm reduces drastically (Chen, 2005). A controller for the STATCOM has been developed with its capability to coordinate between the positive and the negative sequences of the grid voltage. This paper investigates effects of Squirrel Cage Induction...
Source: Perspectives in Science - July 25, 2016 Category: Science Source Type: research
Ultraviolet Background and Extra-Galactic Light in Lockman Hole
Publication date: Available online 20 July 2016 Source:Perspectives in Science Author(s): Lakshmi S. Bose, N.V. Sujatha We have studied the diffuse UV emission from Lockman Hole using 23 Deep Imaging Surveys (DIS) of GALEX mission in order to quantify different components of diffuse UV radiation and search for extragalactic emission. The region is important due to the presence of minimal amount of gas and dust and the GALEX images cover more than 10 square degrees in the region. The UV emissions in the region are compared with Infrared 100 micron emission and we find a slight anti-correlation between UV and IR flux...
Source: Perspectives in Science - July 21, 2016 Category: Science Source Type: research
Design and Cost Analysis of 1 kW Photovoltaic System Based on Actual Performance in Indian Scenario
Publication date: Available online 5 July 2016 Source:Perspectives in Science Author(s): Shahzad Ahsan, Kashif Javed, Ankur Singh Rana, Mohammad Zeeshan The exhaustion of conventional resources and its effect on climate requires an urgent call for the substitute power resources to convene up the current power requirement. Solar energy is an endless, unsoiled and prospective energy source among all other nonconventional energy options. As more concentration is being done on focal point for the development of renewable energy capital globally. To ascertain their viability it is necessary to do the economic and te...
Source: Perspectives in Science - July 20, 2016 Category: Science Source Type: research
Wave interaction with Very Large Floating Structure (VLFS) using BEM approach –revisited
Publication date: Available online 5 July 2016 Source:Perspectives in Science Author(s): Anoop I. Shirkol, T. Nasar, D. Karmakar In the present study, a brief discussion on the hydroelastic analysis of VLFS using Boundary Element Method (BEM) with basic assumptions, boundary conditions and support conditions required are presented. An overview of present scenario about development of VLFS using BEM and also future prospects are presented. The study on existing VLFS systems floated in the sea around world could be considered as indicative of the present state of affairs. Further, various numerical methods adopted ...
Source: Perspectives in Science - July 20, 2016 Category: Science Source Type: research
Template Security Analysis of Multimodal Biometric Frameworks based on Fingerprint & amp; Hand Geometry
Publication date: Available online 5 July 2016 Source:Perspectives in Science Author(s): Arvind Selwal, Sunil Kumar Gupta, Surender, Anubhuti Biometric systems are automatic tools used to provide authentication during various applications of modern computing. In this work, three different design frameworks for multimodal biometric systems based on Fingerprint and Hand Geometry modalities are proposed. An analysis is also presented to diagnose various types of template security issues in the proposed system. Fuzzy Analytic Hierarchy Process (FAHP) is applied with five decision parameters on all the designs and...
Source: Perspectives in Science - July 20, 2016 Category: Science Source Type: research
Sub-vocal speech pattern recognition of Hindi alphabet with surface electromyography signal
Publication date: Available online 18 July 2016 Source:Perspectives in Science Author(s): Munna Khan, Mosarrat Jahan Recently electromyography (EMG) based speech signals have been used as pattern recognition of phoneme, vocal frequency estimation, browser interface, and classification of speech related problem identification. Attempts have been made to use EMG signal for sub-vocal speech pattern recognition of Hindi phonemes and Hindi words. That provides the command sub-vocally to control the devices. Sub-vocal EMG data were collected from more than 10 healthy subjects aged between 25-30 years. EMG-bas...
Source: Perspectives in Science - July 18, 2016 Category: Science Source Type: research
Feature Extraction and Analysis of Online Reviews for the Recommendation of Books using Opinion Mining Technique
Publication date: Available online 18 July 2016 Source:Perspectives in Science Author(s): Shahab Saquib Sohail, Jamshed Siddiqui, Rashid Ali The customer's review plays an important role in deciding the purchasing behavior for online shopping as a customer prefers to get the opinion of other customers by observing their opinion through online products’ reviews, blogs and social networking sites etc. The customer's reviews reflect the customer's sentiments and have a substantial significance for the products being sold online including electronic gadgets, movies, house hold appliances and books. Hence, extractin...
Source: Perspectives in Science - July 18, 2016 Category: Science Source Type: research
Prediction of future car forms based on historical trends
Publication date: Available online 18 July 2016 Source:Perspectives in Science Author(s): Bijendra Kumar, Prabir Sarkar Cars are one of the most important products that affects our daily life. Manufacturers of cars are inclined to know factors that affect the sales of cars and how to influence them. Car is a very competitive product whose technology is already matured. Thus, purchase decisions of a car depend on factors such as, aesthetics, ergonomics, features available and price. Exterior form and colour of a car are the most important factors that influence likeness of the car. We did a case study on car aesthet...
Source: Perspectives in Science - July 18, 2016 Category: Science Source Type: research
Power Flow and Small Signal Stability Analysis on the Interconnected Three Isolated Philippine Power Grid
Publication date: Available online 18 July 2016 Source:Perspectives in Science Author(s): Tristan G. Magallones, Jai Govind Singh, Watcharakorn Pinthurat The Philippines, as one of the developing nations in south-east Asia, has isolated power system networks which bring forth challenges in its operational systems, especially when subjected to a deregulated environment. This paper presents an analysis on the power flow and small signal stability of the interconnected three isolated Philippine Power Grid. To achieve this, eigenvalue analysis is employed to probe the small signal stability of the main power grids. T...
Source: Perspectives in Science - July 17, 2016 Category: Science Source Type: research
Hybrid Fault Tolerant Routing Algorithm in NoC
Publication date: Available online 18 July 2016 Source:Perspectives in Science Author(s): Rimpy Bishnoi Network-on-Chip has been a growing design paradigm with the rise in Multi-Processor System on Chip (MPSoCs) primarily due to its scalability. While regular meshes (2 or 3-dimensional) are the usual proposal for such a paradigm, a real chip may not follow it. Heterogeneous cores, hardware failures or manufacturing defects can possibly cause irregular topologies in a Network-on-Chip. Selection of a routing algorithm is an important challenge in NoC design as it affects power consumption, communication latency and ove...
Source: Perspectives in Science - July 17, 2016 Category: Science Source Type: research
An Enhanced Real-time Forest Fire Assessment Algorithm Based On Video by Using Texture Analysis
Publication date: Available online 15 July 2016 Source:Perspectives in Science Author(s): Gudikandhula Narasimha Rao, Peddada Jagadeeswara Rao, Rajesh Duvvuru, Sridhar Bendalam, Roba Gemechu As the human technology moved further, the risk of natural and man induced sudden damage increase exponentially. One of the most dangerous disasters is fire. In addition to its direct danger on human's lives, fire consumes forests where trees that provide humans with oxygen are destroyed. Every year, the large number of wildfires happening all over the world they burn forested lands, causing adverse ecological and social ...
Source: Perspectives in Science - July 16, 2016 Category: Science Source Type: research
A simple stir casting technique for the preparation of in-situ Fe-aluminides reinforced Al-matrix composites
This article presents a simple stir casting technique for the development of Fe-aluminides particulate reinforced Al-matrix composites. It has been demonstrated that stirring of super-heated Al-melt by a mild steel plate followed by conventional casting and hot rolled results in uniform dispersion of in-situ Al13Fe4 particles in the Al matrix; the amount of reinforcement is found to increase with increasing melt temperature. With reference to base alloy, the developed composite exhibits higher hardness and improved tensile strength without much loss of ductility; since, composite like base alloy undergoes ductile mode of f...
Source: Perspectives in Science - July 14, 2016 Category: Science Source Type: research
Enhancing Service Discovery using Cat Swarm Optimization based Web Service Clustering
We present experimental results that show that the proposed technique was effective and enhanced the process of service discovery. (Source: Perspectives in Science)
Source: Perspectives in Science - July 14, 2016 Category: Science Source Type: research
Reliability Analysis of Time Dependent Stress-Strength Model with Random Cycle Times
Publication date: Available online 4 July 2016 Source:Perspectives in Science Author(s): K.C. Siju, M Kumar Most of the real life systems categorized basically into electrical and non-electrical are subject to time dependent stresses and strengths. These models consider the repeated application of either a known or random stress, in cycles of time which may also belong to one of these characteristics. This in turn induces a change in the distribution of strength over time. These facts initiated the present study of time-dependent stress-strength reliability by considering the strength random variable to be a functi...
Source: Perspectives in Science - July 14, 2016 Category: Science Source Type: research
