Rajarambapu Institute of Technology

Islampur, India

Rajarambapu Institute of Technology

Islampur, India
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Shete P.S.,Rajarambapu Institute of Technology | Dharawadkar N.V.,Rajarambapu Institute of Technology
International Conference on Computing, Analytics and Security Trends, CAST 2016 | Year: 2017

From few years back the scientists are very much eager and enthusiast to discover the mystifying world of underwater. Due to haze the visibility of the sight is affected for various computer vision/graphics applications. The formation of haze is due to the attenuation and the presence of air light. Thus the quality of an image is drastically affected due to wavelength of light and medium through which image is captured. The Red (R) color channel get attenuated faster than the Green (G) and Blue (B) because it has more wavelength. Hence, Image is having more bluish tone captured underwater. Initially, depth of underwater image needs to be estimated. Dark channel prior method plays very important role in deriving depth of image. Using dark channel prior and depth map derived in earlier stage, estimate of transmission is provided by Transmission map. Produced transmission map needs significant level of refinement. Solution to this is provided by image matting technique. Then artificial light source detection and removal is performed and color change approach is applied to maintain the visibility of underwater image. The results obtained are analyzed using Mean Square Error (MSE), Signal to Noise Ratio (SNR), Peak Signal to Ratio (PSNR). © 2016 IEEE.

Chopade R.S.,Rajarambapu Institute of Technology | Thorat S.A.,Rajarambapu Institute of Technology
International Conference on Computing, Analytics and Security Trends, CAST 2016 | Year: 2017

MANET i.e. a mobile ad hoc network does not have a fixed infrastructure and is a self configuring one. So the nodes are mobile and due to this mobility the uncertainty arises. This uncertainty affects the node's behavior and also choice of other nodes for proper communication with each other. The evaluation of the uncertainty is needed so that the less uncertain nodes can be considered for participating in the network communication. The uncertainty can be calculated using different theories namely probability, fuzzy theory, etc. The paper gives proposed possibility theory based on fuzzy basics mathematical model which is used to evaluate the uncertainty of the nodes. Also the proposed model is compared with the probability theory. The mathematical model is integrated in the AODV protocol with direct and indirect observation. Simulations are done under different varying parameters like number of malicious nodes and pause time. The result shows the effectiveness of proposed model in terms of throughput, packet delivery ratio and other metrics. © 2016 IEEE.

Pawar S.U.,Rajarambapu Institute of Technology | Thorat S.A.,Rajarambapu Institute of Technology
International Conference on Computing, Analytics and Security Trends, CAST 2016 | Year: 2017

A monitoring system plays an important role in the different open environments such as school, colleges, universities, offices, etc. An offline monitoring system continuously monitors the network and notify to the network administrator when any suspicious or abnormal activities happen within the network. The computer system has a standard processes along with some credentials which are predefined and an attacker could reveal their actions by altering some important credentials of these system processes. The proposed agent based offline network monitoring system used to find out the suspicious artifacts which may later become potential intrusions for the computer system. To detect the suspicious artifacts, the windows system processes related standard parameters are considered which gives the line between normal and abnormal behavior of the system. The proposed offline network monitoring system developed using multi agent framework JADE which is useful to prevent the suspicious activities by abrupting them with the help of action agent. © 2016 IEEE.

Desai S.R.,Rajarambapu Institute of Technology | Pavitran S.,Vishwakarma Institute of Technology
Journal of Pressure Vessel Technology, Transactions of the ASME | Year: 2017

The paper presents results of an experimental study on fluid elastic instability and vortex shedding in plain and finned arrays exposed to water cross flow. The parallel triangular array with cantilever end condition is considered for the study. Pitch ratios considered are 2.1 and 2.6 while fin densities considered are 4 fpi (fins per inch) and 10 fpi. The results for critical velocity at instability for two finned tube arrays are presented. Apart from results on fluid elastic vibration behavior, extensive results on vortex shedding are also presented to study the phenomenon in tube arrays subjected to water cross flow. The test parameters measured are water flow rate, natural frequency, and vibration amplitudes of the tubes. The datum case results were first obtained by testing plain arrays with pitch ratios 2.1 and 2.6. This was then followed by experiments with finned arrays with pitch ratios 2.1 and 2.6, and each with two different fin densities. The higher pitch ratios typical of chemical process industries resulted in the delayed instability threshold due to weak hydrodynamic coupling between the neighboring tubes. The results indicated that finned arrays are more stable in water cross flow compared to plain arrays. The Strouhal numbers corresponding to small peaks observed before fluid elastic instability are computed and compared with the expected ones according to Owen's hypothesis. It was concluded that peaks observed are attributed to vortex shedding observed for all the arrays tested in water. Copyright © 2017 by ASME.

Dharwadkar N.V.,Rajarambapu Institute of Technology
2017 International Conference on Nascent Technologies in Engineering, ICNTE 2017 - Proceedings | Year: 2017

Agriculture happens to be the key source of livelihood for more or less every occupant in developing country including India. Agriculture by and large determines the economic growth of nation and is known to be its backbone. It is due to the population explosion, which resulted in disproportion of demand/ supply ratio for agricultural products. To satisfy ever increasing demand for agricultural products, either the agricultural productivity has to be nearly doubled or the methods used in traditional agriculture have to modified in a way that would cut short the wastage of agricultural resources to nearly half. The proposed framework for precision agriculture employs low cost environmental sensors, an Arduino Uno prototyping board and a pair of wireless transceivers (XBee ZB S2) along with actuating circuit to provide automated irrigation and monitoring of crops. The proposed prototype uses XBee protocol which is based on ZigBee technology and is built over IEEE 802.15.4 standard. The important characteristics of ZigBee technology favorable for precision agriculture are; low data rate, low power consumption and larger coverage area. Thus, due to aforesaid characteristics, ZigBee technology happens to be the first choice for implementing precision agriculture. The prototype developed not only provides real time monitoring of crops by sensing parameters like temperature, humidity and moisture content of the soil which are essentially required for the healthy growth of the crops but also provides automated irrigation. It also uses the resources only when demanded by the crops and that too in right quantity, thereby reducing the resource wastage. © 2017 IEEE.

Shashikant Y.M.,Rajarambapu Institute of Technology | Maruti S.S.,Rajarambapu Institute of Technology
2017 International Conference on Nascent Technologies in Engineering, ICNTE 2017 - Proceedings | Year: 2017

Oxy hydrogen gas is used for lighting, heating, welding etc and in recent past as a fuel additive in internal combustion engines. Generation of Oxy hydrogen gas depends upon number of factors like current, molarity, temperature etc. This paper presents parametric study on rate of oxy hydrogen gas generation (RGN) and related energy consumption (EC). Study is divided in two stages. In the first stage, experimentation is carried out using Taguchi's design of experiment concept to identify the significance of each factor on both responses. Regression model is presented to obtain RGN and EC at different levels of selected factors. Current shows its strong significance on both responses and its difficult to interpret contributions of other selected factors. In the second stage, these contributions are investigated at constant current. Optimization is carried out for maximum RGN and minimum EC with response surface methodology. Interaction effects are also studied and commented. © 2017 IEEE.

Aga J.M.,Rajarambapu Institute of Technology | Jadhav H.T.,Rajarambapu Institute of Technology
Proceedings of 2013 International Conference on Power, Energy and Control, ICPEC 2013 | Year: 2013

The penetration level of wind power plant has increased now a day. Doubly-Fed Induction Generators (DFIG) based wind turbine system has become a more popular because of their advantages over the fixed speed wind turbine. To ensure the power system stabilitya special grid codes provided by several utility to wind farm producers. All these grid code requirements, specifically fault ride through (FRT) are a challenge for wind turbine producers. This paper presents a technical review of improvement of fault ride-through capability of DFIG connected wind turbine systems. © 2013 IEEE.

Mulik P.B.,Rajarambapu Institute of Technology
4th IEEE Sponsored International Conference on Computation of Power, Energy, Information and Communication, ICCPEIC 2015 | Year: 2015

This paper proposes new method based on evolutionary algorithm for optimal trajectory planning of robot manipulator (PUMA 560). The intelligent method is elitist non dominated sorting based genetic algorithm (NSGA-II). This method is superior as it considers multiple criterion to be optimised simultaneously. The multicriterion cost function has to minimize with defined constraints. The problem has 5 objective functions, 32 constraints and 252 variables. Pareto optimal is set of compromise solutions instead of single optimal solution. Pareto optimal fronts are evaluated by the solution spread measure and ratio of non dominated individuals. The B-spline function is used to define robot trajectories. © 2015 IEEE.

Telsang T.M.,Rajarambapu Institute of Technology | Kakade A.B.,Rajarambapu Institute of Technology
Microwave and Optical Technology Letters | Year: 2014

A compact ultrawideband microstrip patch antenna fed by a coplanar waveguide (CPW) and a microstrip line is presented in this article. The performance between these two feeds on the return loss bandwidth is compared. The radiation pattern stability of the antenna is also investigated. The measured impedance bandwidth of CPW fed and microstrip line fed patch antennas is from 3 to 18 GHz and 2 to 13 GHz (146.67%), respectively. © 2014 Wiley Periodicals, Inc.

Kakade A.B.,Rajarambapu Institute of Technology | Ghosh B.,Indian Institute of Technology Kharagpur
IEEE Transactions on Antennas and Propagation | Year: 2011

In this paper, a coax-probe excited multilayer dielectric resonator antenna (DRA) structure is rigorously analyzed from the modal perspective. The full-wave Green's function approach is presented for the analysis of such multilayer structures with an arbitrary number of layers with greatly reduced computational overhead. Additional reduction in computation time is demonstrated for a centered probe. Also, the modes of the multilayer DRA can be identified from the analysis, which can be used to explain the broadband nature of the coupling. The layer permittivities are optimized for broadband operation of the coax-fed DRA. The bandwidth enhancement for a centered and offset probe is seen to be due to a combination of several DRA modes and the probe resonance. Frequency tuning of the antenna structure is also demonstrated by exciting the antenna at a higher order mode, maintaining the broadband characteristics. The radiation characteristics of the antenna are also investigated. © 2011 IEEE.

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