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Delhi, India
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Tharani K.,Bvcoe | Dahiya R.,National Institute of Technology Kurukshetra
AIP Conference Proceedings | Year: 2016

Looking at present day electricity scenario, there is a major electricity crisis in rural areas. The farmers are still dependant on the monsoon rains for their irrigation needs and livestock maintenance. Some of the agrarian population has opted to use Diesel Generators for pumping water in their fields. But taking into consideration the economics and environmental conditions, the above choice is not suitable for longer run. An effort to shift from non-renewable sources such as diesel to renewable energy source such as solar has been highlighted. An approximate comparative analysis showing the life cycle costs of a PV pumping system with Diesel Generator powered water pumping is done using MATLAB/STMULTNK. © 2016 AIP Publishing LLC.


Mote S.,LBHSSTs ICA | Wategaonkar S.,BVCOE | Khot S.,A.C.P.C.O.E. | Wategaonkar S.R.,S.P.I.T.
Communications in Computer and Information Science | Year: 2010

We investigate the use of dominating-set neighbor elimination as an integral part of the distribution of route requests using the Ad hoc On-demand Distance Vector (AODV) protocol as an example of on-demand routing protocols. We use detailed simulations to show that simply applying dominant pruning (DP) to the distribution of route requests in AODV results in pruning too many route requests in the presence of mobility and cross-traffic. Accordingly, we introduce several heuristics to compensate the effects of DP and show that the resulting AODV with Dominating Set heuristics (AODV-DS) has comparable or better delivery ratio, network load, and packet latency than the conventional AODV. AODV-DS exhibits over 70% savings on RREQ traffic than conventional AODV, and in some situations, AODV-DS may have a lower control overhead using Hello packets than conventional AODV without Hellos. © 2010 Springer-Verlag Berlin Heidelberg.


Sharma R.,DIT | Bagh S.K.,DIT | Banerjee S.,BVCOE
PEDES 2012 - IEEE International Conference on Power Electronics, Drives and Energy Systems | Year: 2012

In this paper a new approach of maximum power point control algorithm (MPPT) using DC-DC Boost Converter for 1MW permanent magnet synchronous generator (PMSG) based variable speed wind energy conversion system (WECS) has been proposed which is integrated with grid using five-level active neutral points clamped (ANPC) inverter. In this work the instantaneous values of input side current and voltage of DC-DC boost converter are utilized for implementing the MPPT topology via the control of duty ratio. The Inverter side grid control of WECS keeps DC link voltage constant and controls the power flow injected into the grid. Here, five-level ANPC inverter has been used for grid integration which improves the quality of power injected into grid while reducing the cost of inverter topology in comparison to existing ones. The proposed work is verified by the simulation in MATLAB/Simulink environment. © 2012 IEEE.


Banerjee S.,BVCOE | Joshi D.,Technical University of Denmark | Singh M.,Technical University of Denmark | Sharma R.,National Institute of Technology Kurukshetra
Proceedings of 6th IEEE Power India International Conference, PIICON 2014 | Year: 2014

The focus of this paper is the exploration of the technologies related to generation of digital signals which can be used for voltage control applications. Three distinct methods have been described. The first one concerns with coding Pulse Width Modulation (PWM) and Sinusoidal PWM (SPWM) signals in Verilog and obtaining the output on a Field Programmable Gate Array (FPGA). The second technique relates to an FPGA with code dumped via Laboratory Virtual Instrumentation Engineering Workbench (LabView). LabView interfaced with ELVIS II kit to enable the generation of digital signals is the third implemented scheme. The features of these procedures are presented briefly along with their corresponding platforms. The benefits of using digital signals as compared to their analog counterparts have also been touched upon. The paper demonstrates Pulse Width Modulation (PWM) and multi-carrier Sine Pulse Width Modulation (SPWM) digital output. SPWM implemented by Verilog coding and dumped on FPGA, results in a huge reduction of cost and complexity as compared to other methods. © 2014 IEEE.


Garg H.,BVCOE | Saxena S.,BVCOE | Satapathy A.,BVCOE | Dhruv,BVCOE | Gandhar A.,BVCOE
International Journal of Applied Engineering Research | Year: 2014

The stability and control of Unmanned Aerial Vehicles (UAVs) has been a very challenging field of research. In 1960, R.E. Kalman gave a recursive solution to the discrete-data linear filtering problem. Since then, the Kalman filter has been the subject of extensive research and application, particularly in the area of autonomous or assisted navigation. This paper focuses on the impact of Kalman filter on flight stability, specifically that of a quadcopter. It begins with a description and some discussion of the basic Kalman filter. The concept is then adapted to the quadcopter case where the derivation of Gaussian surface of the filter has been shown. Using a MATLAB simulation designed for studying the flight dynamics of a quadcopter, the differences in flight behavior in the presence and absence of Kalman filter have been brought out. © Research India Publications.


Rautela R.S.,Research Center | Bhatt V.,Research Center | Sharma P.,Research Center | Khushu S.,Research Center | Walia P.,BVCOE
India International Conference on Power Electronics, IICPE 2010 | Year: 2011

NMR Research Centre of INMAS has developed an in-house Helmholtz coil. It will be used as a component of the system for hyperpolarizing Xenon gas for MRI application. The system will be helpful in imaging low proton density area of the body such as lungs efficiently. This paper describes the mathematical approach for designing the Helmholtz coil. Structure geometry, number of turns in winding and power supply calculations were done. The practical coil was constructed & magnetic field was measured at different points. The results were validated with the simulated results and there was good agreement. The field was uniform.

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