Bhilai, India
Bhilai, India
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Dewangan S.K.,RCET | Pandey S.,RCET | Verma T.,RCET
Proceedings of 2016 International Conference on Advanced Communication Control and Computing Technologies, ICACCCT 2016 | Year: 2016

This Event log file is the most common data-sets exploited by many companies for customer behavior analysis. Oftentimes these records are unordered, and need to be grouped by certain key for effective analysis. One such example is to group similar user with different session ID to facilitate further analysis. This kind of analysis is known as User Sessionization. In this paper, we propose a distributed framework in combination of Hadoop and MapReduce to analyze event log file and sessionize user based on IP-address and timestamp. The evaluation results show that as the number of nodes increases the execution time decreases and performance increases. © 2016 IEEE.

Thakre L.P.,Technical University | Balpande S.,RCET | Akare U.,RCET
Proceedings - 3rd International Conference on Emerging Trends in Engineering and Technology, ICETET 2010 | Year: 2010

New telecommunication systems are based more than ever before on digital signal processing. High speed digital telecommunication systems such as OFDM and DSL need real-time high-speed computation of the Fast Fourier Transform. Thus there is a need of innovative algorithms to improve the speed .In this paper, we propose vedic algorithm for the implementation of multipliers to be used in the FFT. Vedic mathematics (VM) comes with the simplest and effective algorithm for solving any typical engineering problem standing on the pillars of the "Vedic" principles. The conventional multiplication method requires more time & area on silicon than vedic algorithms. More importantly processing speed increases with the bit length. This will help ultimately to speed up the signal processing task, as it is well known that the multiplier is the basic building block of FFT. The VM has been synthesized for the target device 5vlx30ff324-3. © 2010 IEEE.

Gupta N.,Indian Institute of Technology Roorkee | Singh S.P.,Indian Institute of Technology Roorkee | Dubey S.P.,RCET | Palwalia D.K.,Rajasthan Technical University Kota
International Review of Electrical Engineering | Year: 2011

The simulation and experimental study of a digital signal processor based fuzzy logic controlled, three-phase shunt active power filter to improve power quality by compensating current harmonics and reactive power required by non-linear load is presented. Conventionally, dc-link voltage regulation is achieved by PI controller. However, during load changes, there is considerable variation in dc-link voltage which affects the controller dynamic performance. The proposed work replaced the PI controller by fuzzy logic controller to improve the transient performance of the dc link under fast load variations. The superiority and accuracy of fuzzy controller depends upon linguistic variable set theory and does not require a mathematical model of the system. The proposed control scheme is simple and it is capable of maintaining compensated supply currents sinusoidal and balanced, irrespective of the distortions and unbalance in load currents. Simulations are carried out using MATLAB/Simulink environment to show the effectiveness of the proposed methodology. A laboratory prototype based on TMS320F28335 digital signal processor (Texas Instrument, USA) has been developed to verify the simulations results. Simulated and experimental results reflect the effectiveness of the proposed active power filter control scheme to meet the IEEE-519 standard recommendations on harmonic limits. © 2011 Praise Worthy Prize S.r.l. All rights reserved.

Mishra A.,RCET | Choudhary P.,RCET
International Journal of Power Electronics and Drive Systems | Year: 2012

In this paper, an implementation of intelligent controller for speed control of an induction motor (IM) using indirect vector control method has been developed and analyzed in detail. The project is complete mathematical model of field orientation control (FOC) induction motor is described and simulated in MATLAB for studies a 50 HP(37KW), cage type induction motor has been considered. The comparative performance of PI, Fuzzy and Neural network control techniques have been presented and analyzed in this work. The present approach avoids the use of flux and speed sensor which increase the installation cost and mechanical robustness. The neural network based controller is found to be a very useful technique to obtain a high performance speed control. The scheme consist of neural network controller, reference modal, an algorithm for changing the neural network weight in order that speed of the derive can track performance speed. The indirect vector controlled induction motor drives involve decoupling of the stator current in to torque and flux producing components. © 2012 Institute of Advanced Engineering and Science. All rights reserved.

Gupta N.,Indian Institute of Technology Roorkee | Singh S.P.,Indian Institute of Technology Roorkee | Dubey S.P.,R.C.E.T.
2011 2nd International Conference on Computer and Communication Technology, ICCCT-2011 | Year: 2011

Active filters are widely used in electrical distribution system for reactive power compensation and voltage / current harmonic elimination. In this paper, a fuzzy logic controlled, three-phase shunt active filter to improve power quality by compensating reactive power and current harmonics required by a nonlinear load is presented. PI regulator is replaced by fuzzy logic controller to improve the dynamic performance of shunt active filter under varying load conditions. The advantage of fuzzy control is that it is based on defined linguistic rules and does not require any mathematical model of the system unlike the other traditional controller. The compensation process is based on source current sensing only, an approach different from conventional methods. The performance of fuzzy logic controller is compared with PI controller under dynamic load conditions. Simulated studies show that fuzzy controller is found suitable for steady state and transient conditions of load. © 2011 IEEE.

Sahu M.,RCET | Bharti S.,RCET
2014 IEEE Students' Conference on Electrical, Electronics and Computer Science, SCEECS 2014 | Year: 2014

This paper focuses on the development of maximum wind power extraction algorithms for variable speed wind power generation systems. A review of different maximum wind power extraction algorithms is presented in this paper, based on which an intelligent maximum power extraction algorithm is developed to improve the system performance and to facilitate the control implementation. As an integral part of the maximum power extraction algorithm, power signal feedback (PSF) method has been developed. Lookup table is used to record the maximum power data with respect to the controlled error signal of angular rotor speed. The field oriented control (FOC) algorithm is used to compensate the variation of voltages and power. The proposed control approach is performed and validated in MATLAB/Simulink. This paper aims to find out dynamic performance of DFIG wind turbine under the step changed wind speed. Simulation results on a 1.5 MW DFIG system are provided to demonstrate the effectiveness of the proposed control strategy during variations of wind speed. © 2014 IEEE.

Tomer A.S.,RCET | Dubey S.P.,RCET
2013 Nirma University International Conference on Engineering, NUiCONE 2013 | Year: 2013

This paper presents a complete modeling and performance analysis of six phase Permanent Magnet Synchronous Motor (PMSM) drive system supplied by two voltage source inverters. The Six phase PMSM drive system is reliable, reduces the stator current per phase, and posses high degree of freedom as compared to conventional three phase drives. Vector control technique is used with two Pulse width modulated (PWM) inverters. The proposed model is simulated under various load conditions such as no load, steady load and dynamic load. Computer simulations obtained under various operating conditions have been presented and found satisfactory. © 2013 IEEE.

Sharma R.K.,RCET | Dewangan A.,CSIT
2014 IEEE Students' Conference on Electrical, Electronics and Computer Science, SCEECS 2014 | Year: 2014

An interference coordination well suited to OFDMA based wireless network in which cells are divided into special region with various frequency reuse factors, is termed as Fractional Frequency Reuse (FFR). This research focuses on the concept as well working of FFR in Hexagonal geometrical structure for systematic frame work and evaluation. The scheme includes the extensive literature review of both concepts as well as previous research works. The study concludes the need of a simulator for examining and analyzing FFR in orthogonal as well as in synchronous cellular systems. With comparison to the traditional grid model in cellular system, the hexagonal geometry is much consistent with Omni base stations. Therefore, a simulator is designed for the same which is very useful in the industry. © 2014 IEEE.

Sunil B.,RCET | Nandana B.T.,RCET
ICIIECS 2015 - 2015 IEEE International Conference on Innovations in Information, Embedded and Communication Systems | Year: 2015

During this paper, analyzed the performance of transmission systems that comprises amplify-and-forward (AF) and decode-and-forward (DF) relays over a Rayleigh attenuation surroundings within the presence of a Poisson field of interferers. The interference model considers the impact of abstraction distribution of co-channel interferers within the neighborhood of the relays and therefore the destination node. Considering the end-to-end signal-to-interference quantitative relation, the outage probability of system springs. The precise average bit error rate (BER) of binary modulations and therefore the average data rate area unit evaluated numerically. Finally, straight line expressions for the system outage probability and therefore the end-to-end BER area unit derived which offer some inferences concerning the factors moving the performance of the thought-about system. The novel expressions may be wont to show the impact of interference model parameters like the transmit power, path loss exponent, and abstraction density of interferers on the performance of multi-hop wireless systems. Simulation results area unit more provided to demonstrate the accuracy of the analytical expressions. © 2015 IEEE.

Imsiya K.A.,RCET | Nandana B.T.,RCET
ICIIECS 2015 - 2015 IEEE International Conference on Innovations in Information, Embedded and Communication Systems | Year: 2015

A new blind speech extraction method consisting of a minimum mean-square error short-time spectral amplitude (MMSE STSA) estimator and noise estimation based on independent component analysis (ICA) is proposed in this paper. First, a computer simulation is performed using the artificial noise whose stationarity could be controlled parametrically and the obtained results indicate that the proposed method is superior to conventional methods such as blind spatial subtraction array (BSSA) and the original MMSE STSA estimator under the non-point-source and nonstationary noise condition. © 2015 IEEE.

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