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Talapatra A.,MCKVIE | Datta J.,Faculty
Oriental Journal of Chemistry | Year: 2012

Mechanics of corrosion of two TRIP-assisted steels designated as A (having no Cr and Cu content) and B (having higher Ni, Cr and Cu content) heat treated at different condition to alter micro-structure phases. After two TRIP-assisted steels have been studied under the simulated condition of sea atmosphere in the laboratory scale in different level of salinity under the influence of neutral pH as well as exposing them in real sea water condition by using electrochemical test. Micro-structural characterization of Pre & post corrosive samples and quantitative phase analysis were carried out to arrive at heat treatment-structure-properties co-relation to get knowledge about mechanics of TRIP-assisted steels in different NaCl solutions.

Banerjee S.,MCKVIE | Sarkar E.,VLSI Design | Mukherjee S.,MCKVIE
Computational Science and Engineering - Proceedings of the International Conference on Computational Science and Engineering, ICCSE2016 | Year: 2017

Regenerative circuits are most popular sequential MOS logic circuits. One of the main regenerative circuit types, the bistable circuits which is most widely used. Schmitt triggers are bistable networks that are used in analog and digital circuit as wave shaping circuit to solve the noise problem. The approach of our work is based on the effect of source-to-substrate bias voltage for both nMOS and pMOS and the body effect coefficient on the conventional CMOS Schmitt trigger circuit. In this approach one can observed that how the triggering points of Schmitt trigger that is upper and lower threshold points UTP and LTP are being control with this device parameter. Simulation has been done on Tanner EDA tool. TSPICE simulation results of the circuit confirm the effectiveness of the approach. Typically, 1 μm CMOS technology has been used to implement Schmitt trigger circuit and the simulation results are presented. © 2017 Taylor & Francis Group.

Sarkar E.,VLSI Design | Mitra S.K.,MCKVIE | Mukherjee S.,MCKVIE
Computational Science and Engineering - Proceedings of the International Conference on Computational Science and Engineering, ICCSE2016 | Year: 2017

The popularity of Wireless Sensor Networks (WSN) has increased excessively due to the vast potential of the sensor networks to connect the physical world with the virtual world. As these devices lean on battery power so very less power required for this devices. The circuit consist of sensor parts build using various sensors like LDR. The ARDUINO UNO board is used to control the whole system by monitoring the sensors. Development of these interfacing of sensors needed hardware as well as software. We have designed a wireless sensor network with the support of ARDUINO board. The different types of wireless communication mainly include IR wireless communication, Satellite communication, Bluetooth, Zig-bee etc. For communication we have installed HC05 Bluetooth module which can detect and monitor a system of industrial and commercial application. The main focus of our work is on the hardware implementation of WSN. © 2017 Taylor & Francis Group.

Thakur S.,MCKVIE | Sing J.K.,Jadavpur University
Computational Science and Engineering - Proceedings of the International Conference on Computational Science and Engineering, ICCSE2016 | Year: 2017

Recommendation systems make suggestions about artifacts or products to a user. For instance, they may predict whether a user would be interested in purchasing a particular product. Conventional social recommendation systems collect ratings of artifacts from many individuals, and use nearestneighbor techniques to make recommendations to a user concerning new artifacts. This paper presents a new method for recommending items/products to users based on customer’s opinions. The proposed method is a variation of traditional collaborative technique, where predictions and recommendations are computed using a set of customer’s opinions from an independent database. The prediction and recommendation is done by using weighted opinions according to their similarity to the user and association rule learning. To achieve better result, the database is optimized by excluding the weak entities using Genetic Algorithm (GA). The final prediction and recommendation is done using the association rule learning on the optimized database. The efficiency of the proposed method is evaluated on a product database of 10 products having 4,500 customer’s opinions. The experimental results show that the proposed method overcomes some of the problems associated with collaborative filtering methods, as reported in the literature. © 2017 Taylor & Francis Group.

Kundu B.,MCKVIE | Kumari N.,MCKVIE | Singh R.,MCKVIE
C e Ca | Year: 2017

In recent years, electrical utility companies are gaining more attention for the efficient penetration of Renewable Distributed Generator (RDG) to enhance system performance. This paper presents a particle swarm optimization (PSO) algorithm for Renewable Distributed Generation (DG) placement and sizing to maximize energy saving cost. Optimal placement and capacity of Photovoltaic (PV) type RDGs on the radial distribution system have lead to an increase interest in minimization of system losses to save energy. This paper investigates the impact of RDG unit installation on electric losses, and voltage profile of distribution networks. The proposed method is tested on IEEE 33 Bus radial distribution network. The results of the simulation are found to be encouraging as proposed method using PSO which is an effective tool for identifying the best location and rating of a RDG for improving power quality in an electrical power system.

Mitra S.K.,M.C.K.V.I.E | Banerjee J.,Jadavpur University | Chakraborty A.,Techno. India | Naskar M.K.,Jadavpur University
ACM International Conference Proceeding Series | Year: 2011

Wireless Sensors Network consists of irreplaceable nodes after being deployed with limited energy resources. The data gathering protocol needs more realistic power consumptions model to estimate the network performance for various pervasive and ubiquitous applications. In this paper we have implemented the chain based and shortest hop data gathering and routing protocols that demonstrate how realistic power model assumptions can affect the system performance in comparison with the results obtained by considering the first order radio model. We formulated a data sheet which gives details of the energy required to transmit data packets on distance basis incorporating Log Normal Shadowing Model for obtaining the received signal strength. We also justified the reason to eradicate the power levels which are unnecessary and gives rise to complications. Moreover we have observed a comparative study of the proposed method in TinyOS platform while running the simulation in TOSSIM for realistic comparison of our model. Copyright © 2011 ACM.

Sarkar B.K.,M.C.K.V.I.E | Chakrabarti A.,IIEST
2016 2nd International Conference on Control, Instrumentation, Energy and Communication, CIEC 2016 | Year: 2016

In the electricity pricing, the congestion management has become extremely important and it can impose unavoidable problems in electricity trading. In this paper, Gravitational Search Algorithm (GSA) based optimization is performed to address the optimal power flow (OPF) problem governed by contribution factor based ranking and nodal congestion price based ranking in order to achieve congestion relief and maximum economic benefit with desired voltage level and minimum system loss. The methodology has been tested on a typical IEEE test system. © 2016 IEEE.

Kar D.,MCKVIE | Chattopadhyay S.,GKCIET Government of India | Das Sharma K.,University of Calcutta | Sengupta S.,University of Calcutta
2016 2nd International Conference on Control, Instrumentation, Energy and Communication, CIEC 2016 | Year: 2016

This paper deals with the identification of a faulty load bus, in a multi-bus power system, monitoring the inter-harmonic and sub-synchronous inter-harmonic operating point in P-δ plane, depending on passivity model based Gauss-Seidal iteration technique. In this analysis, real power, load angle and bus voltage have been calculated and the shifting of the various operating points in the inter-harmonic and sub-synchronous inter-harmonic P-δ curves have been assessed, for different feeders. The technique has been implemented in IEEE 30 bus system. Considerable change has been seen for fundamental and sub-synchronous inter-harmonic operating points in P-δ plane. © 2016 IEEE.

Chatterjee S.,Indian National Institute of Engineering | Garg A.K.,Indian National Institute of Engineering | Chatterjee K.,MCKVIE | Kumar H.,Indian National Institute of Engineering
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth, ICEPE 2015 | Year: 2015

Electromagnetic interference is the important problem associated with the electromagnetic field. The sources of EMI may be natural sources, like atmospheric charge/discharge phenomena and extraterrestrial radiation, or may be man-made sources, like power lines, auto ignition, radio frequency interference, and radiation hazards etc. As important components, direct current (DC-DC) converters are embedded and employed in various electrical devices, thus forming main sources of EMI. Some measures, such as filters and electromagnetic shielding, have been taken to suppress EMI, but these methods have various drawbacks with respect to cost, volume, weight, and efficiency. Therefore, new theories and methodologies are desired to cope with the EMI problem. Spread Spectrum Technique or chaos control is an important method due to the continuous spectrum feature. This paper describe two methods to implement the Spread Spectrum Technique in a Boost Converter. An analogue chaotic carrier is designed to be embedded in a chaotic pulse width modulation (PWM) boost converter, and to be used for reducing electromagnetic interference (EMI) in dc-dc converters. Simulations study is conducted to illustrate the effectiveness of the proposed analogue chaotic PWM in reducing EMI. Randomized carrier frequency modulation with fixed duty ratio (RCFMFD) Spread Spectrum scheme for pulse width modulation (PWM) boost converter, is implemented using Field Programmable Gate Array (FPGA) technology. The simulations and experimental verification is done, so as to prove the effectiveness of Spread Spectrum scheme in reducing the electromagnetic interference (EMI) in dc-dc converters. © 2015 IEEE.

Banerjee J.,Jadavpur University | Mitra S.K.,M.C.K.V.I.E | Ghosh P.,Jadavpur University | Naskar M.K.,Jadavpur University
Communications in Computer and Information Science | Year: 2011

Wireless Sensor Network (WSN) is constrained by limited available energy for data communication. Utilization of energy and enhancing network lifetime is a challenging task for the next generation wireless sensor network. In this paper we have designed an algorithm that performs the routing with low energy consumption. We have experimentally optimized the number of clusters that should be formed for escalating the lifetime of the network with provisions made to include equal number of nodes in each cluster. Our analysis and simulation results show that with realistic radio model we have achieved better load balance than several existing protocols, like LBEERA, HDS, SHORT, PEGASIS, LEACH and BINARY. A suitable node deployment strategy was adopted for ensuring wireless connectivity between each node. Moreover we have made simulations in NS-2 which supports our propositions to a greater extend. © 2011 Springer-Verlag.

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